[Kernel-packages] [Bug 2078553] Re: (Nvidia) system freezes when called to suspend since Linux 6.7.0 on Nvidia hardware with modeset

2024-09-05 Thread Jani Uusitalo
** Attachment added: "/etc/systemd/system/getty@tty1.service.d/override.conf"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2078553/+attachment/5813642/+files/override.conf

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https://bugs.launchpad.net/bugs/2078553

Title:
  (Nvidia) system freezes when called to suspend since Linux 6.7.0 on
  Nvidia hardware with modeset

Status in linux package in Ubuntu:
  New

Bug description:
  == Summary ==
  On my computer with an ancient Nvidia chipset (Geforce 7025/nForce 630a), 
running `sysctl suspend` (or suspending from the Gnome menu) causes the system 
to start suspending, but it freezes halfway, leaving fans and hard drives 
spinning. There's no way to resume from this frozen state apart from forcing a 
reboot (with a hardware reset button/poweroff).

  == Steps to reproduce ==
  * boot with modeset enabled
  * run `sysctl suspend`

  == What I expect to happen ==
  For the system to suspend, shutting down all fans and hard drives.

  == What happens ==
  The system begins to suspend, but freezes halfway, leaving the display on and 
fans and hard drives spinning, but the keyboard unresponsive.

  == Workaround ==
  Disable kernel modesetting by adding "nomodeset" to the kernel commandline.

  == Affected kernels ==
  Prior to upgrades the system was running HWE kernel 5.15.0, so I tried the 
5.15 series, and found that I could now suspend and wake the machine again just 
as before. I worked my way up the versions:

  * 5.15.50: unaffected
  * 5.15.165: unaffected
  * 5.19.17: unaffected
  * 6.4.0: unaffected
  * 6.6.0: unaffected
  * 6.6.48: unaffected
  * 6.7.0: first to fail

  I also tried the current newest mainline kernel 6.10.7, and the issue
  is still present there.

  == Background ==
  I have an old desktop machine now functioning as a NAS, and yesterday I 
upgraded it from Ubuntu 20.04 first to 22.04, and then all the way up to 24.04. 
The upgrade went smoothly, and this is the only issue I've come across since.

  In the BIOS settings of the affected machine there are three "suspend
  mode" alternatives to choose from: "S1 (POS) only", "S3 only" and
  "Auto". I've always had it on "Auto", but with this issue I also
  tested both "S1 only" and "S3 only", with no effect.

  The issue is also present when booting from the installation media
  (USB) into a live environment.

  I've previously upgraded my laptop to 24.04, and there suspending
  still works as it did before the ugprade, so this is probably
  hardware-specific; the laptop is a modern one with all-Intel hardware.

  Googling around, I could smelled hints of this being once again
  related to the troublesome Nvidia chipset, so I tried nomodeset with
  the stock 6.8.0 kernel (6.8.0-41 currently) and voilà! Suspend and
  wake were working again.

  Well, except for the display, which stayed black. But I couldn't say
  if this was the way it was before, because the NAS is normally running
  headless.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: linux-image-6.8.0-41-generic 6.8.0-41.41
  ProcVersionSignature: Ubuntu 6.8.0-41.41-generic 6.8.12
  Uname: Linux 6.8.0-41-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k6.8.0-41-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.28.1-0ubuntu3.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/timer', 
'/dev/snd/seq', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D1p', 
'/dev/snd/pcmC0D2c', '/dev/snd/hwC0D0', '/dev/snd/controlC0', 
'/dev/snd/by-path'] failed with exit code 1:
  CRDA: N/A
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  CasperMD5CheckResult: unknown
  Date: Sat Aug 31 14:16:51 2024
  HibernationDevice: RESUME=UUID=2faf9ef0-28e5-490f-8c62-376d78bf29b3
  MachineType: System manufacturer System Product Name
  ProcFB: 0 simpledrmdrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-41-generic 
root=UUID=f2668afb-32fb-4af1-9f29-5b4665b43cf3 ro consoleblank=0 nomodeset
  RelatedPackageVersions:
   linux-restricted-modules-6.8.0-41-generic N/A
   linux-backports-modules-6.8.0-41-generic  N/A
   linux-firmware20240318.git3b128b60-0ubuntu2.2
  RfKill:
   0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to noble on 2024-08-30 (1 days ago)
  dmi.bios.date: 08/23/2010
  dmi.bios.release: 8.14
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1804
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M2N68-AM Plus
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dm

[Kernel-packages] [Bug 2078553] Re: (Nvidia) system freezes when called to suspend since Linux 6.7.0 on Nvidia hardware with modeset

2024-09-05 Thread Jani Uusitalo
Hi Vinicius, thanks for looking into this!

I'll have to postpone further testing until the next time there's an
issue, as my backups rely on the NAS (and it's now back in operation
with the nomodeset workaround). Taking it down is also physically fairly
involved, as I prefer to unplug all the data drives, to spare them from
repeated powercycling during testing.

However, I'm about 80 % sure I checked the journal for the failed
suspends, and it just stopped there, resuming thereafter with just the
boot messages from the next boot onward.

Also, I have TTY1 configured to display the journal "live" (I'll attach
my /etc/systemd/system/getty@tty1.service.d/override.conf below), and I
*did* try suspending with that TTY showing the journal (`sleep 5 &&
systemctl suspend` on TTY2, then switching to TTY1 before the timeout);
I'll attach a photo of that view when the suspend had resulted in this
freezing issue.

Unfortunately I don't have a cable to do debugging over a serial
console.


** Attachment added: "IMG_1527.jpg"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2078553/+attachment/5813641/+files/IMG_1527.jpg

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/2078553

Title:
  (Nvidia) system freezes when called to suspend since Linux 6.7.0 on
  Nvidia hardware with modeset

Status in linux package in Ubuntu:
  New

Bug description:
  == Summary ==
  On my computer with an ancient Nvidia chipset (Geforce 7025/nForce 630a), 
running `sysctl suspend` (or suspending from the Gnome menu) causes the system 
to start suspending, but it freezes halfway, leaving fans and hard drives 
spinning. There's no way to resume from this frozen state apart from forcing a 
reboot (with a hardware reset button/poweroff).

  == Steps to reproduce ==
  * boot with modeset enabled
  * run `sysctl suspend`

  == What I expect to happen ==
  For the system to suspend, shutting down all fans and hard drives.

  == What happens ==
  The system begins to suspend, but freezes halfway, leaving the display on and 
fans and hard drives spinning, but the keyboard unresponsive.

  == Workaround ==
  Disable kernel modesetting by adding "nomodeset" to the kernel commandline.

  == Affected kernels ==
  Prior to upgrades the system was running HWE kernel 5.15.0, so I tried the 
5.15 series, and found that I could now suspend and wake the machine again just 
as before. I worked my way up the versions:

  * 5.15.50: unaffected
  * 5.15.165: unaffected
  * 5.19.17: unaffected
  * 6.4.0: unaffected
  * 6.6.0: unaffected
  * 6.6.48: unaffected
  * 6.7.0: first to fail

  I also tried the current newest mainline kernel 6.10.7, and the issue
  is still present there.

  == Background ==
  I have an old desktop machine now functioning as a NAS, and yesterday I 
upgraded it from Ubuntu 20.04 first to 22.04, and then all the way up to 24.04. 
The upgrade went smoothly, and this is the only issue I've come across since.

  In the BIOS settings of the affected machine there are three "suspend
  mode" alternatives to choose from: "S1 (POS) only", "S3 only" and
  "Auto". I've always had it on "Auto", but with this issue I also
  tested both "S1 only" and "S3 only", with no effect.

  The issue is also present when booting from the installation media
  (USB) into a live environment.

  I've previously upgraded my laptop to 24.04, and there suspending
  still works as it did before the ugprade, so this is probably
  hardware-specific; the laptop is a modern one with all-Intel hardware.

  Googling around, I could smelled hints of this being once again
  related to the troublesome Nvidia chipset, so I tried nomodeset with
  the stock 6.8.0 kernel (6.8.0-41 currently) and voilà! Suspend and
  wake were working again.

  Well, except for the display, which stayed black. But I couldn't say
  if this was the way it was before, because the NAS is normally running
  headless.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: linux-image-6.8.0-41-generic 6.8.0-41.41
  ProcVersionSignature: Ubuntu 6.8.0-41.41-generic 6.8.12
  Uname: Linux 6.8.0-41-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k6.8.0-41-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.28.1-0ubuntu3.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/timer', 
'/dev/snd/seq', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D1p', 
'/dev/snd/pcmC0D2c', '/dev/snd/hwC0D0', '/dev/snd/controlC0', 
'/dev/snd/by-path'] failed with exit code 1:
  CRDA: N/A
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  CasperMD5CheckResult: unknown
  Date: Sat Aug 31 14:16:51 2024
  HibernationDevice: RESUME=UU

[Kernel-packages] [Bug 2078553] [NEW] (Nvidia) system freezes when called to suspend since Linux 6.7.0 on Nvidia hardware with modeset

2024-08-31 Thread Jani Uusitalo
Public bug reported:

== Summary ==
On my computer with an ancient Nvidia chipset (Geforce 7025/nForce 630a), 
running `sysctl suspend` (or suspending from the Gnome menu) causes the system 
to start suspending, but it freezes halfway, leaving fans and hard drives 
spinning. There's no way to resume from this frozen state apart from forcing a 
reboot (with a hardware reset button/poweroff).

== Steps to reproduce ==
* boot with modeset enabled
* run `sysctl suspend`

== What I expect to happen ==
For the system to suspend, shutting down all fans and hard drives.

== What happens ==
The system begins to suspend, but freezes halfway, leaving the display on and 
fans and hard drives spinning, but the keyboard unresponsive.

== Workaround ==
Disable kernel modesetting by adding "nomodeset" to the kernel commandline.

== Affected kernels ==
Prior to upgrades the system was running HWE kernel 5.15.0, so I tried the 5.15 
series, and found that I could now suspend and wake the machine again just as 
before. I worked my way up the versions:

* 5.15.50: unaffected
* 5.15.165: unaffected
* 5.19.17: unaffected
* 6.4.0: unaffected
* 6.6.0: unaffected
* 6.6.48: unaffected
* 6.7.0: first to fail

I also tried the current newest mainline kernel 6.10.7, and the issue is
still present there.

== Background ==
I have an old desktop machine now functioning as a NAS, and yesterday I 
upgraded it from Ubuntu 20.04 first to 22.04, and then all the way up to 24.04. 
The upgrade went smoothly, and this is the only issue I've come across since.

In the BIOS settings of the affected machine there are three "suspend
mode" alternatives to choose from: "S1 (POS) only", "S3 only" and
"Auto". I've always had it on "Auto", but with this issue I also tested
both "S1 only" and "S3 only", with no effect.

The issue is also present when booting from the installation media (USB)
into a live environment.

I've previously upgraded my laptop to 24.04, and there suspending still
works as it did before the ugprade, so this is probably hardware-
specific; the laptop is a modern one with all-Intel hardware.

Googling around, I could smelled hints of this being once again related
to the troublesome Nvidia chipset, so I tried nomodeset with the stock
6.8.0 kernel (6.8.0-41 currently) and voilà! Suspend and wake were
working again.

Well, except for the display, which stayed black. But I couldn't say if
this was the way it was before, because the NAS is normally running
headless.

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-41-generic 6.8.0-41.41
ProcVersionSignature: Ubuntu 6.8.0-41.41-generic 6.8.12
Uname: Linux 6.8.0-41-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version k6.8.0-41-generic.
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/timer', 
'/dev/snd/seq', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D1p', 
'/dev/snd/pcmC0D2c', '/dev/snd/hwC0D0', '/dev/snd/controlC0', 
'/dev/snd/by-path'] failed with exit code 1:
CRDA: N/A
Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
CasperMD5CheckResult: unknown
Date: Sat Aug 31 14:16:51 2024
HibernationDevice: RESUME=UUID=2faf9ef0-28e5-490f-8c62-376d78bf29b3
MachineType: System manufacturer System Product Name
ProcFB: 0 simpledrmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-41-generic 
root=UUID=f2668afb-32fb-4af1-9f29-5b4665b43cf3 ro consoleblank=0 nomodeset
RelatedPackageVersions:
 linux-restricted-modules-6.8.0-41-generic N/A
 linux-backports-modules-6.8.0-41-generic  N/A
 linux-firmware20240318.git3b128b60-0ubuntu2.2
RfKill:
 0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to noble on 2024-08-30 (1 days ago)
dmi.bios.date: 08/23/2010
dmi.bios.release: 8.14
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1804
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M2N68-AM Plus
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1804:bd08/23/2010:br8.14:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N68-AMPlus:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:skuToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
mtime.conffile..etc.init.d.apport: 2024-07-22T17:59:07

** Affects: linux (Ubuntu)
 Importance: Undecided
  

[Kernel-packages] [Bug 1010926] Re: HP Folio 13: Lid close event is never fired => no suspend on lid close

2016-07-25 Thread Jani Uusitalo
** Bug watch added: hacking a member #512958
   https://bugzilla.redhat.com/cgi-bin/bugreport.cgi?bug=512958

** Also affects: linux via
   https://bugzilla.redhat.com/cgi-bin/bugreport.cgi?bug=512958
   Importance: Unknown
   Status: Unknown

-- 
You received this bug notification because you are a member of Kernel
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https://bugs.launchpad.net/bugs/1010926

Title:
  HP Folio 13: Lid close event is never fired => no suspend on lid close

Status in Linux:
  Unknown
Status in linux package in Ubuntu:
  Triaged

Bug description:
  The machine is an HP Folio 13 notebook.
  The state of the lid is correctly reported in /proc:

  With lid open:
  gpothier@tadzim2:~$ cat /proc/acpi/button/lid/*/state
  state:  open

  With lid closed:
  gpothier@tadzim2:~$ cat /proc/acpi/button/lid/*/state
  state:  closed

  The events are never fired however. This is the output of acpi_listen
  after hitting the power button (just to check that some acpi events
  are indeed fired):

  gpothier@tadzim2:~$ acpi_listen 
  button/power PWRF 0080 0001
  video GFX0 0080 
  button/lid LID0 0080 0001

  But when closing/opening the lid, nothing happens. This prevents the
  suspend on lid close feature to work.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-24-generic 3.2.0-24.39
  ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
  Uname: Linux 3.2.0-24-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  ArecordDevices:
    List of CAPTURE Hardware Devices 
   card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
 Subdevices: 1/1
 Subdevice #0: subdevice #0
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', 
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D3', 
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xc270 irq 50'
 Mixer name : 'Intel CougarPoint HDMI'
 Components : 'HDA:111d76e5,103c17f8,00100102 
HDA:80862805,80860101,0010'
 Controls  : 22
 Simple ctrls  : 10
  Date: Sat Jun  9 11:45:19 2012
  HibernationDevice: RESUME=UUID=cb1ceaaa-6de7-42c5-a842-50edef2af7c3
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120425)
  MachineType: Hewlett-Packard HP Folio 13 Notebook PCC
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic 
root=UUID=acdbf868-560a-4ec7-8772-45c16c166819 ro acpi_backlight=vendor quiet 
splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-24-generic N/A
   linux-backports-modules-3.2.0-24-generic  N/A
   linux-firmware1.79
  SourcePackage: linux
  StagingDrivers: rts_pstor mei
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/05/2012
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.06
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 17F8
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 46.34
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.06:bd03/05/2012:svnHewlett-Packard:pnHPFolio13NotebookPCC:pvr068C10204A0320100:rvnHewlett-Packard:rn17F8:rvr46.34:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Folio 13 Notebook PCC
  dmi.product.version: 068C10204A0320100
  dmi.sys.vendor: Hewlett-Packard

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[Kernel-packages] [Bug 926012] Re: With a -pae kernel, freeze during boot when wistron_btns loaded

2013-08-20 Thread Jani Uusitalo
Hi Christopher.

I was unable to test the Saucy images and the latest mainline kernel, as
they refuse to boot/install on the Amilo due to lack of PAE support.

jani@kingugidora:~$ LC_ALL=C sudo dpkg --install 
linux-image-3.11.0-031100rc6-generic_3.11.0-031100rc6.201308181835_i386.deb
(Reading database ... 818498 files and directories currently installed.)
Unpacking linux-image-3.11.0-031100rc6-generic (from 
linux-image-3.11.0-031100rc6-generic_3.11.0-031100rc6.201308181835_i386.deb) ...
This kernel does not support a non-PAE CPU.
dpkg: error processing 
linux-image-3.11.0-031100rc6-generic_3.11.0-031100rc6.201308181835_i386.deb 
(--install):
subprocess new pre-installation script returned error exit status 1
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 
3.11.0-031100rc6-generic /boot/vmlinuz-3.11.0-031100rc6-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 
3.11.0-031100rc6-generic /boot/vmlinuz-3.11.0-031100rc6-generic
Errors were encountered while processing:
linux-image-3.11.0-031100rc6-generic_3.11.0-031100rc6.201308181835_i386.deb

I guess the only (unimportant) question remaining is how come I was able
to boot -pae kernels on this very same device back in the pre-release
times (3.2.0-[<23]) - perhaps those earlier kernels didn't properly
detect the lack of PAE?

The wireless now (with the current 3.2.0-52-generic #78-Ubuntu) seems to
somehow work without wistron_btns.

I'm not sure how to deal with the tags & bug status in this case, so
I'll leave it to your discretion. If you have further ideas to test,
I'll be happy to provide, but closing this report (perhaps as 'Invalid')
is also fine by me.

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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/926012

Title:
  With a -pae kernel, freeze during boot when wistron_btns loaded

Status in The Linux Kernel:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  With my Amilo M7400 and the recent Precise kernels (at least
  3.2.0-[10-12] I think), the system freezes during boot with the Ubuntu
  logo and colored dots on screen (the dots stop progressing), when I
  have wistron_btns enabled in /etc/modules. I need wistron_btns on this
  laptop for the wireless to work, which is why I'd like to have it
  enabled.

  This is unrelated to Bug #926007 which I also just filed: the
  wistron_btns freeze happens even when I'm using fbdev. (With -intel,
  the  #926007 panic and this freeze take turns in who gets to mess with
  me.)

  From what I've gathered so far, it seems that wistron_btns works fine
  if I manually modprobe it from my desktop, after booting without it.
  So that's a workaround at least.

  I can kill the freeze with Alt+PrtSc+REISUB. I'll provide any
  additional info needed, though I don't know how to produce logs when
  the system is frozen.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-12-generic-pae 3.2.0-12.21
  ProcVersionSignature: Ubuntu 3.2.0-12.21-generic-pae 3.2.2
  Uname: Linux 3.2.0-12-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  AudioDevicesInUse:
   USERPID ACCESS COMMAND
   /dev/snd/controlC0:  jani   1782 F pulseaudio
  Card0.Amixer.info:
   Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with CS4299 at irq 10'
     Mixer name : 'Cirrus Logic CS4299 rev 4'
     Components : 'AC97a:43525934'
     Controls  : 36
     Simple ctrls  : 22
  CurrentDmesg:
   [   35.672075] intel8x0: clocking to 48000
   [   36.816209] b44 ssb0:0: eth0: Link is up at 100 Mbps, full duplex
   [   36.816216] b44 ssb0:0: eth0: Flow control is off for TX and off for RX
   [   36.816551] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
   [   46.880038] eth0: no IPv6 routers present
  Date: Fri Feb  3 13:58:44 2012
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=80b87005-5f3a-4290-bba9-d30ef32f8151
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: FUJITSU SIEMENS AMILO M
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=fi:en_US:en
   PATH=(custom, user)
   LANG=fi_FI.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic-pae 
root=UUID=f5b168d7-b4d0-40d8-b76a-8bda4fb90be5 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-12-generic-pae N/A
   linux-backports-modules-3.2.0-12-generic-pae  N/A
   linux-firmware1.68