[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Brad Figg]

** Tags added: cscc

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Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Frank]

Operating System: Ubuntu 18.04.2 LTS
Kernel: Linux 4.18.0-15-generic
Intel Core i7-7700HQ + GeForce 1050Ti
after: sudo update-initramfs -u
I get :
update-initramfs: Generating /boot/initrd.img-4.18.0-16-generic
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/sig.bin for module 
nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/image.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/desc.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/nvdec/scrubber.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_method_init.bin 
for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_bundle_init.bin 
for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_nonctx.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_ctx.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_sig.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_data.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_inst.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_bl.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_sig.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_data.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_inst.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_bl.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/ucode_unload.bin 
for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/ucode_load.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/unload_bl.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/bl.bin for module 
nouveau

Had no such trouble on Ubuntu 18.04.01 with older kernel

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Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Shahar Or]

Hey, I've just upgraded from bionic to cosmic and I seem to be hit by
this. Perhaps. What I experience is that while I have an encrypted root,
with the cosmic kernel I don't get a chance to input my passphrase.

Anything I can do to help debug this? I'm a web developer. I can use git
bisect.

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Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Well ? What should I understand from what you just did ?

You are no longer committed to fix this bug ?

OK, I'll report this bug 10 times over, until someone helps me.

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Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

** Changed in: linux (Ubuntu Bionic)
 Assignee: Joseph Salisbury (jsalisbury) => (unassigned)

** Changed in: linux (Ubuntu Cosmic)
 Assignee: Joseph Salisbury (jsalisbury) => (unassigned)

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

** Tags removed: kernel-da-key

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

There is nothing there. No files in that folder (URL).

Also, please, it's really enough with testing kernels... how many more
are there ???

I understand that you need to track down the problem but it's pretty
obvious where it is... it's somewhere betweeb 4.13 and 4.14

Let's find a solution, ok ? this bug is more than 2 months old
already... seriously... it's embarrassing...

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
34cc0aa2545603560c79aaea3340d8ff3a71bd10

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Not working

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
29baa82aa55f40d67cfc8138c944fd8880c27e8e

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

This kernel works !

It has loaded novueau and I got the graphical interface and login
screen.

"lshw -c video" reveals the fact that the driver in use is claimed, and
is Nouveau.

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
b05720cbf6458450700d1c3e91d2b2620b4f6295

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783957/+subscriptions

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

It still freezes, and I don't get the login screen.

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783957/+subscriptions

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
754270c7c56292e97d0eff924a5d5d83f92add07

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783957/+subscriptions

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Well ?...

Seriously, this bug is quite old now...

Should I just say goodbye to ever being able to use my video card driver
on my laptop ?

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783957/+subscriptions

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

It still freezes, and I don't get the login screen.

However, the message is different now: "nouveau bus MMIO write of ...
FAULT at ..."

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
a2fc4bd61e7ec3bb1f7c8b3d47272be813f88aea

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Same problem.

Console Error: "nouveau: fb: trapped write at ... on channel ... engine
... client ... VRAM_LIMIT"

No login screen and freezing of laptop in console state.

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
f150891fd9878ef0d9197c4e8451ce67c3bdd014

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Sorry. I didn't noticed that.

OK, tested with this latest kernel "201809190746".

It crashes with Console Message:

"nouveau fb: trapped write at <>" something like this... and I never get
the Login Screen and the whole thing freezes...

-- 
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

When you say you 'already' tested that kernel, do you mean you already
tested it before I posted it in comment #31?  The kernel name might look
similar to a prior kernel, but there is a unique date stamp in the name,
'201809190746' in the latest test kernel.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

I've already testest that kernel.

It doesn't work. (linux-image-
unsigned-4.14.0-041400-generic_4.14.0-041400.201809190746_amd64.deb)

And the generic 4.15.0-33 also doesn't work (tested with the official
ubuntu kernel, not the one on the website).

-- 
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

Based on you're test results posted in comment #28, I built the next test 
kernel, up to the following commit:
8c609698569578913ad40bb160b97c3f6cfa15ec

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

?

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Well ? I'm back ! Any progress ?

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Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Well, it's strange...

The kernel you provided me works, but only half of it.

If I boot the above kernel it gives me the login screen, so it loads the driver 
correctly (I assume), but the laptop immediately freezes and I cannot do 
anything on it (I assume it kernel panics somewhere).
I have to make a hard shutdown using the power button and restart the computer.

Look, I am going on vacation now, I will not have the time, nor the
resources to inspect this further, and quite frankly I don't want to
mess up any more test kernels.

I left the 4.15.0-33 kernel, the latest stable kernel from Ubuntu and I
instructed the people using it to add the "nomodeset" parameter to boot
without loading Nouveau, but this is NOT a solution !

I helped you as much as I could.
Please analyze those nouveau commits. I am pretty sure the key to this problem 
is somewhere there, in those nouveau kernel modifs.

Thank you ! See you in 2 weeks.

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

There are many nouveau commits that were introduced in v4.15-rc1, so we
need to perform a bisect to identify the specific one that caused this
regression.

I started a kernel bisect between v4.14 final and v4.15-rc1. The kernel
bisect will require testing of about 7-10 test kernels.

I built the first test kernel, up to the following commit:
1be2172e96e33bfa22a5c7a651f768ef30ce3984

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1783957

Can you test that kernel and report back if it has the bug or not?  I
will build the next test kernel based on your test results.


Thanks in advance

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Yes. The latest v4.14 also works great !!! I have nouveau drivers loaded
and working perfectly.

In fact, I am running it now: "4.14.0-041400-generic" and I shall stay
on this kernel (the latest kernel which works decently for me).

But the first kernel of the 4.15 series does not work anymore.

So, the problem lies between last kernel of 4.14 and first kernel of
4.15.

I will stay on this kernel, for now: "4.14.0-041400-generic" , until the
problem gets solved.

And further more, as I tested the 4.18 and did not work, I can only
conclude that the problem evolves right up to v4.18 if not beyond

-- 
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

Before starting the bisect, just one last kernel to confirm:

v4.14 Final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14/

If v4.14 Final is GOOD, I'll start a bisect between v4.14 and v4.15-rc1.

-- 
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Yes. The system crashes with this version. It no longer works with
4.15-rc1.

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

Can you give v4.15-rc1 a try and see if it has the bug:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15-rc1/

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

v4.13 Final is GOOD

v4.14-rc1 is also GOOD (a little screen flickering, but that is
acceptable)

v4.15, however, doesn't work.

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

Just to confirm:

v4.13 Final is GOOD: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13/
v4.14-rc1 is BAD and has the bug: 
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14-rc1/

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

I can confirm the following:

I had to revert to: 4.13.16-041316-generic and it works great with this kernel !
I'll stick with this kernel until the problem gets solved.

However, from 4.15.* it seems like it doesn't work (with the kernels I
tested).

I also tested with "linux-image-unsigned-4.18.5-041805-generic"
(upstream) and it still doesn't work, and when I installed it, it
complains about "possible not finding firmware /lib/nvidia for
nouveau". (see below)

Code:
update-initramfs: Generating /boot/initrd.img-4.18.5-041805-generic
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/sig.bin for module 
nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/image.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/sec2/desc.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/nvdec/scrubber.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_method_init.bin 
for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_bundle_init.bin 
for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_nonctx.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/sw_ctx.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_sig.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_data.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_inst.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/gpccs_bl.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_sig.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_data.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_inst.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/gr/fecs_bl.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/ucode_unload.bin 
for module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/ucode_load.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/unload_bl.bin for 
module nouveau
W: Possible missing firmware /lib/firmware/nvidia/gv100/acr/bl.bin for module 
nouveau

DMESG from this kernel:

[3.123458] nouveau :02:00.0: enabling device (0006 -> 0007)
[3.124175] fb: switching to nouveaufb from EFI VGA
[3.124515] nouveau :02:00.0: NVIDIA MCP89 (0af100a2)
[3.140564] nouveau :02:00.0: bios: version 70.89.13.00.00
[3.163102] nouveau :02:00.0: fb: 256 MiB stolen system memory
[3.329183] nouveau :02:00.0: bus: MMIO write of 807e FAULT at 100c1c
[4.668287] nouveau :02:00.0: DRM: VRAM: 256 MiB
[4.668290] nouveau :02:00.0: DRM: GART: 1048576 MiB
[4.668297] nouveau :02:00.0: DRM: TMDS table version 2.0
[4.668300] nouveau :02:00.0: DRM: DCB version 4.0
[4.668305] nouveau :02:00.0: DRM: DCB outp 00: 040001b6 0f220010
[4.668309] nouveau :02:00.0: DRM: DCB outp 01: 020112a6 0f220010
[4.668312] nouveau :02:00.0: DRM: DCB outp 02: 02011262 00020010
[4.668316] nouveau :02:00.0: DRM: DCB conn 00: 2047
[4.668319] nouveau :02:00.0: DRM: DCB conn 01: 00101146
[4.705380] nouveau :02:00.0: DRM: MM: using M2MF for buffer copies
[4.801272] nouveau :02:00.0: DRM: allocated 1920x1080 fb: 0x5, bo 
(ptrval)
[4.802060] fbcon: nouveaufb (fb0) is primary device
[4.920114] nouveau :02:00.0: fb0: nouveaufb frame buffer device
[4.964058] [drm] Initialized nouveau 1.3.1 20120801 for :02:00.0 on 
minor 0
[   30.784569] sddm-greeter[1038]: segfault at 1a ip 7f16b336d6ce sp 
7fff1701aac0 error 4 in nouveau_dri.so[7f16b312d000+a7d000]
[   85.190414] ksplashqml[1324]: segfault at 1a ip 7f12b315c6ce sp 
7ffd1cec66d0 error 4 in nouveau_dri.so[7f12b2f1c000+a7d000]
[   96.932346] nouveau :02:00.0: fb: trapped read at 010052e000 on channel 
-1 [0fedf000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] 
reason 000b [VRAM_LIMIT]
[   99.523017] sddm-greeter[1546]: segfault at 1a ip 7f45049696ce sp 
7ffe8b766630 error 4 in nouveau_dri.so[7f4504729000+a7d000]
[  110.586924] sddm-greeter[1589]: segfault at 1a ip 7fb8d0f346ce sp 
7ffcf758d840 error 4 in nouveau_dri.so[7fb8d0cf4000+a7d000]

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have 

[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

I'd like to perform a bisect to figure out what commit caused this
regression. We need to identify the earliest kernel where the issue
started happening as well as the last kernel that did not have this
issue.

Can you test the following kernels and report back? We are looking for
the first kernel version that exhibits this bug:

v4.13 Final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.13/
v4.14-rc1: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14-rc1/
v4.14 Final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14/
v4.15 Final: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15


You don't have to test every kernel, just up until the kernel that first
has this bug.

Thanks in advance!


** Changed in: linux (Ubuntu Bionic)
 Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

** Changed in: linux (Ubuntu Cosmic)
 Assignee: (unassigned) => Joseph Salisbury (jsalisbury)

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

I will start a new bug report, as nobody cares with this bug, I see.

Opensource community fixing bugs more rapidly than commercial software
companies ? I'll think again about that one.

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

?

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

one last thing I can give you:

A coredump:


   PID: 1066 (sddm-greeter)
   UID: 118 (sddm)
   GID: 126 (sddm)
Signal: 11 (SEGV)
 Timestamp: Fri 2018-08-17 10:58:44 EEST (4min 40s ago)
  Command Line: /usr/bin/sddm-greeter --socket /tmp/sddm-:0-OglRQe --theme 
/usr/share/sddm/themes/breeze
Executable: /usr/bin/sddm-greeter
 Control Group: /user.slice/user-118.slice/session-1.scope
  Unit: session-1.scope
 Slice: user-118.slice
   Session: 1
 Owner UID: 118 (sddm)
   Boot ID: 581e1a9cb9954ea3a7d3f113c2319d64
Machine ID: 22374589e49642888b947732702d7902
  Hostname: itlap
   Storage: 
/var/lib/systemd/coredump/core.sddm-greeter.118.581e1a9cb9954ea3a7d3f113c2319d64.1066.153449272400.lz4
   Message: Process 1066 (sddm-greeter) of user 118 dumped core.

Stack trace of thread 1066:
#0  0x7f93fb36d6ce n/a (nouveau_dri.so)
#1  0x7f93fb36c1f9 n/a (nouveau_dri.so)
#2  0x7f93fb374404 n/a (nouveau_dri.so)
#3  0x7f940fd53f88 
_ZN16QSGBatchRenderer8Renderer13renderBatchesEv (libQt5Quick.so.5)
#4  0x7f940fd5985e _ZN16QSGBatchRenderer8Renderer6renderEv 
(libQt5Quick.so.5)
#5  0x7f940fd4a2a0 
_ZN11QSGRenderer11renderSceneERK11QSGBindable (libQt5Quick.so.5)
#6  0x7f940fd4a75b _ZN11QSGRenderer11renderSceneEj 
(libQt5Quick.so.5)
#7  0x7f940fd84990 
_ZN23QSGDefaultRenderContext15renderNextFrameEP11QSGRendererj (libQt5Quick.so.5)
#8  0x7f940fde2a08 
_ZN19QQuickWindowPrivate16renderSceneGraphERK5QSize (libQt5Quick.so.5)
#9  0x7f940fd76ec9 n/a (libQt5Quick.so.5)
#10 0x7f940fd77eaa n/a (libQt5Quick.so.5)
#11 0x7f940e53f375 _ZN7QWindow5eventEP6QEvent 
(libQt5Gui.so.5)
#12 0x7f940fdec565 _ZN12QQuickWindow5eventEP6QEvent 
(libQt5Quick.so.5)
#13 0x7f940df7183a 
_ZN16QCoreApplication6notifyEP7QObjectP6QEvent (libQt5Core.so.5)
#14 0x7f940df719a8 
_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
#15 0x7f940e53443f 
_ZN22QGuiApplicationPrivate18processExposeEventEPN29QWindowSystemInterfacePrivate11ExposeEventE
 (libQt5Gui.so.5)
#16 0x7f940e53507d 
_ZN22QGuiApplicationPrivate24processWindowSystemEventEPN29QWindowSystemInterfacePrivate17WindowSystemEventE
 (libQt5Gui.so.5)
#17 0x7f940e50c2eb 
_ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
 (libQt5Gui.so.5)
#18 0x7f94066d81c0 n/a (libQt5XcbQpa.so.5)
#19 0x7f940a774287 g_main_context_dispatch 
(libglib-2.0.so.0)
#20 0x7f940a7744c0 n/a (libglib-2.0.so.0)
#21 0x7f940a77454c g_main_context_iteration 
(libglib-2.0.so.0)
#22 0x7f940dfca8ef 
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
 (libQt5Core.so.5)
#23 0x7f940df6f9ea 
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#24 0x7f940df78a84 _ZN16QCoreApplication4execEv 
(libQt5Core.so.5)
#25 0x563f63e5db79 main (sddm-greeter)
#26 0x7f940d371b97 __libc_start_main (libc.so.6)
#27 0x563f63e5dcfa _start (sddm-greeter)

Stack trace of thread 1069:
#0  0x7f940d464bf9 __GI___poll (libc.so.6)
#1  0x7f940f9cf747 n/a (libxcb.so.1)
#2  0x7f940f9d136a xcb_wait_for_event (libxcb.so.1)
#3  0x7f94066752a9 n/a (libQt5XcbQpa.so.5)
#4  0x7f940dd9316d n/a (libQt5Core.so.5)
#5  0x7f940c02b6db start_thread (libpthread.so.0)
#6  0x7f940d47188f __clone (libc.so.6)

Stack trace of thread 1070:
#0  0x7f940c0319f3 futex_wait_cancelable (GNU gdb (Ubuntu 
8.1-0ubuntu3) 8.1.0.20180409-git
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
.
Find the GDB manual and other documentation resources online at:
.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/bin/sddm-greeter...(no debugging symbols 
found)...done.
[New LWP 

[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

 is anyone alive here ??? or should I
just give up on everything ?

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

I've upgraded my system to Bionic: 18.04.1.

The problem still exists, however it has a different behaviour now: I
have a mouse cursor :-)

>From what I have seen, this bug is not yet Assigned. When will it be
assigned ?

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You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

???

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Well ? What is the situation ?

This morning, I had a Kernel and Xorg update. Kernel: 4.15.0-30 and Xorg
1:7.7

I really hoped that this will solve our problem, but it did not ! why ?

The same problem: "sddm-greeter[1161]: segfault at 1a ip
7fc9325a7179 sp 7fff62927ba0 error 4 in
nouveau_dri.so[7fc93236+ac2000]"

When should we expect a fix on this ?

With respect, if nobody can fix this, we'll have to change OS, back to
Apple's IOS or Microsoft Windows. We cannot stay a dozen of days without
this being fixed !

We love the opensource world because it claims the community fixes the
bugs more rapidly than a commercial operating system (operated by a
single company), however, it seems that this is not the case.

Expected time to fix this bug ... ?
It was started in July 27, now is August 07... seriously... for a production 
computer it is valuable time lost !

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

No, again, I am sorry, I cannot do that.

I purged the new kernel right after testing because it wasn't installed
properly and it got me all kind of problems.

This is a production computer, I barely got out of the problem by
reverting to the original kernel and purging the new one.

I am using 4.15.0-29-generic and only the stable tested kernel which get
in the repos.

Please find another way to test the problem.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Kai-Heng Feng]

Can you attach dmesg under latest mainline kernel?

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Well, what is the situation ? I really need this bug fixed !!!

This morning I had to make a Presentation on a Projector in front of a
couple of people.

Since I am running in "recovery mode" with no Video Drivers loaded (lshw
-c video -> Display: UNCLAIMED), the system didn't detect my secondary
monitor.

When should be expect a fix on this bug ?
It's urgent !
We like this OS because it's great, opensource, free, and secure, but this 
problem is really annoying.

Thank you !

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

I'm sorry, but it is not possible for me to do this.

I already installed the new kernel a few days ago, just for testing
purposes, and I had a couple of crashes or other inconsistencies, I
barely got out of it.

This is a production computer, I cannot play with the packages as I
please.

I already told my problem to you, exposed it here, now, it's out of my hands.
I cannot dedicate time to God knows how many kernel.org format reports, and so 
on...

Please try to understand, no offense intended, but we are a production 
environment, things just need to work.
No time to compose elaborate bug reports many times and many places...

Please, be so kind, if you can, you or the community, report it to the
upstream.

In the mean time I am using the computer in "recovery" graphics mode.

Thank you.

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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.

Please follow the instructions on the wiki page[0]. The first step is to
email the appropriate mailing list. If no response is received, then a
bug may be opened on bugzilla.kernel.org.

Once this bug is reported upstream, please add the tag: 'kernel-bug-
reported-upstream'.

[0] https://wiki.ubuntu.com/Bugs/Upstream/kernel


** Changed in: linux (Ubuntu)
   Status: Confirmed => Triaged

** Also affects: linux (Ubuntu Cosmic)
   Importance: High
   Status: Triaged

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu Bionic)
   Importance: Undecided => High

** Changed in: linux (Ubuntu Bionic)
   Status: New => Triaged

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Bionic:
  Triaged
Status in linux source package in Cosmic:
  Triaged

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

I've tested the new kernel, it doesn't work. It also hangs at the screen
where the login screen should apperar.

However, not all the new kernel packages were installed. I've selected
only for amd64 architecture, but at one particular package, the headers
or something, it asked me for libssl1.1 which I do not have. Only
libssl1.0.

I purged the new kernel as this is a production machine and this is not
a solution.

So the conclusion is that the problem is still present in the 4.18 rc7
kernel.

I really think that the Nouveau drivers will have to adapt to the new
kernel...

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

** Tags added: kernel-bug-exists-upstream

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Joseph Salisbury]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.18 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.18-rc6

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: linux (Ubuntu)
   Status: Confirmed => Incomplete

** Tags added: kernel-da-key needs-bisect

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Anquietas]

Yeah.

After installing apport-collect, when I try to run it:

ERROR: Could not import module, is a package upgrade in progress?
Error: No module named PyQt5.QtCore

This is a 2-3 year old bug... it's still not fixed... should I have any
hope for my bug ? :-)))

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

-- 
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https://bugs.launchpad.net/bugs/1783957

Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

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[Kernel-packages] [Bug 1783957] Re: Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no login screen in a normal sequence

[Daniel van Vugt]

Sounds like a kernel regression so reassigning there.

** Package changed: xorg (Ubuntu) => linux (Ubuntu)

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Title:
  Nouveau crashes at login with Kernel 4.15.0-29 on MacBook Air, so no
  login screen in a normal sequence

Status in linux package in Ubuntu:
  New

Bug description:
  I have a MacBook Air laptop which is running Linux (Kubuntu 16.04.5
  LTS) with NVidia Graphics Card, KDE, Xorg, SDDM, and so on... Clean
  and natural install, no funky custom kernel or drivers or anything...

  Everything worked fine (with the 4.13.* kernel) until I've upgraded
  all my packages (which included the "wonderful" 4.15.0-29 kernel,
  which broke my system).

  Now, everytime I try to boot normally, it asks me for my disk password (I 
have an encrypted LVM) and after that, guess what ?: blank screen. The login 
screen does not appear.
  I can switch the Terminals with Ctrl+Alt+Fx, however.

  However, the same kernel, if I boot it in recovery mode and then I
  select "Resume", the login screen appears, but it lags a little bit...

  Needless to say, if I boot the older kernel (4.13), everything works
  perfectly.

  I dug up some logs and found something like "sddm-greeter"
  segmentation fault in nouveau_dri.so or something like this.

  So, it looks like the new kernel doesn't quite seem to look eye-to-eye
  with nouveau drivers...

  And no, I don't want the NVidia proprietary drivers because I get
  along just perfectly with Nouveau on other machines, and I don't want
  to reinstall nvidia drivers everytime I'm upgrading the kernel.

  And yes, I already have "haveged" installed, to provide sufficient
  entropy (I saw that the possible lack of entropy might be a problem in
  some cases)...

  If I boot in recovery mode and then select "resume", everything works.

  So, what is going on ?

  Any help would be appreciated...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Fri Jul 27 10:40:31 2018
  InstallationDate: Installed on 2018-07-04 (22 days ago)
  InstallationMedia: Kubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 
(20180228)
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
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