[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-14 Thread Daniel van Vugt
** No longer affects: xorg (Ubuntu)

** Tags added: multimonitor

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https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  Confirmed

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-14 Thread Sebastien Bacher
Thank you for your bug report. Which journal correspond to an hanging boot?
When the boot hang can you press 'escape' on the keyboard? Does it dismiss the 
splash? is there any useful informaiton on the text buffer?

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  Confirmed
Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-13 Thread Tim Richardson
I have been trying to work out how to log a failed session with plymouth debug 
messages. I finally succeeded, it is attached.
Note that at the end of log file, it goes into suspend. That was me trying to 
power off the machine, and not holding the button long enough. It actually 
suspends and resume right back to the stuck plymouth display, but I don't know 
any way out except to force the machine off.


** Attachment added: "Boot log including plymouth trace messages"
   
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1872159/+attachment/5353608/+files/plymouth_fail.txt

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  Confirmed
Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-13 Thread Tim Richardson
I have been investigating other bug reports. I can't find anything that
helps my very much, but I did note references to timing. It is very
puzzling why I don't have problems when booting from the installation to
an external drive. That drive is actually a USB stick (ext4 formatted).
My internal ssd uses lvm, the stick not, but the stick is also much
slower, just in case that is relevant.

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  Confirmed
Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-13 Thread Michael Bantjes
I'm having the same problem on a Lenovo T430.  If I boot the laptop on
its own, it boots fine.  If it's on the dock, which has two external
monitors attached to it, it boots until it gets to the Ubuntu splash
screen with the spinning propeller tips and never passes that point.
I've left it on overnight and it never completes booting to the desktop.

If I boot it on it's own, sign in to the desktop, and then dock it, both
external monitors are recognized and opening/closing the lid toggles the
multiple pane layouts as expected.

Like Tim, I can get it to fully boot on the dock with multiple monitors
by updating /etc/default/grub to GRUB_CMDLINE_LINUX_DEFAULT="".

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  Confirmed
Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-13 Thread Launchpad Bug Tracker
Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: plymouth (Ubuntu)
   Status: New => Confirmed

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  Confirmed
Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-13 Thread Launchpad Bug Tracker
Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: xorg (Ubuntu)
   Status: New => Confirmed

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  Confirmed
Status in xorg package in Ubuntu:
  Confirmed

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-12 Thread Tim Richardson
I installed 20.04 beta on a usb drive on the same machine, and reinstalled 
packages to resemble my main install as closely as possible. The bug does not 
occur when booting from the usb drive. 
The most significant difference I can think of is that the main install is on 
an lvm partition (unencrypted).

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  New
Status in xorg package in Ubuntu:
  New

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-11 Thread Tim Richardson
** Attachment added: "boot messages with plymouth debugging messages"
   
https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1872159/+attachment/5352286/+files/journal.txt

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  New
Status in xorg package in Ubuntu:
  New

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
  I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.

  In recovery mood, I can log in.

  With no external monitors attached, it works.

  I am used to having such problems with Nvidia graphics is involved,
  but this is not the case on this laptop. It has been happily running
  18.04.

  External displays are recognised if they are connected after login.

  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
   acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
   tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
     Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1872159] Re: booting with splash hangs when external monitors are connected (pure intel 8th gen laptop)

2020-04-11 Thread Tim Richardson
** Summary changed:

- booting with splash hangs when external monitors are connected (pure intel 
laptop)
+ booting with splash hangs when external monitors are connected (pure intel 
8th gen laptop)

** Description changed:

+ I think this is a problem with the splash boot loader. This problem is
+ not reproduced if using nosplash.
  
- I think this is a problem with the splash boot loader.
+ I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
+ graphics.
  
- I have installed 20.04 to this laptop. Clean install, not an upgrade.
+ Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are connected at startup.
- I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals.
+ I get the spinning ubuntu logo, and nothing more. I can not change to virtual 
terminals. The fsck step does not commence.
+ 
  In recovery mood, I can log in.
- I am used to having such problems with Nvidia graphics is involved, but this 
is not the case on this laptop. It has been happily running 18.04.
+ 
+ With no external monitors attached, it works.
+ 
+ I am used to having such problems with Nvidia graphics is involved, but
+ this is not the case on this laptop. It has been happily running 18.04.
  
  External displays are recognised if they are connected after login.
  
  Also, when I edit /etc/default/grub so that it reads
  GRUB_CMDLINE_LINUX_DEFAULT=""
  (that is, splash disabled)
  it works fine with two external monitors attached.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 11 13:58:19 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  DkmsStatus:
-  acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
-  tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
+  acpi-call, 1.1.0, 5.4.0-21-generic, x86_64: installed
+  tp_smapi, 0.43, 5.4.0-21-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
-  Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
-Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
+  Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA 
controller])
+    Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
  InstallationDate: Installed on 2020-04-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: LENOVO 20L5S00F00
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic 
root=/dev/mapper/myvg-root ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/19/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N24ET56W (1.31 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20L5S00F00
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5S00F00:pvrThinkPadT480:rvnLENOVO:rn20L5S00F00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T480
  dmi.product.name: 20L5S00F00
  dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
  dmi.product.version: ThinkPad T480
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.4-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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https://bugs.launchpad.net/bugs/1872159

Title:
  booting with splash hangs when external monitors are connected (pure
  intel 8th gen laptop)

Status in plymouth package in Ubuntu:
  New
Status in xorg package in Ubuntu:
  New

Bug description:
  I think this is a problem with the splash boot loader. This problem is
  not reproduced if using nosplash.

  I have installed 20.04 to this laptop. Thinkpad T480, i7, intel
  graphics.

  Clean install of 20.04 beta, not an upgrade.
  When booting from the install, the greeter screen is never reached if 
external monitors are