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

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  Upgrading to 5.4.0-39-generic kernel causes GPU to crash shortly after
  logging in

Status in linux package in Ubuntu:

Bug description:
  I upgraded my kids' computer to the 5.4.0-39-generic kernel today.
  Afterwards, the screen started freezing very shortly after logging in.

  When choosing the older 5.4.0-37-generic from the grub menu I see no
  crashes at all.

  I could login over SSH from my computer without difficulty. Running
  dmesg showed some variation of the following. For example, just now it
  crashed when my daughter tried to launch Firefox after logging in, and
  the following appeared while I was watching the output of 'dmesg -w':

  68.824967] NVRM: GPU at PCI:0000:01:00: 
  [   68.824970] NVRM: GPU Board Serial Number:
  [   68.824974] NVRM: Xid (PCI:0000:01:00): 79, pid=926, GPU has fallen off 
the bus.
  [   68.824976] NVRM: GPU 0000:01:00.0: GPU has fallen off the bus.
  [   68.824977] NVRM: GPU 0000:01:00.0: GPU is on Board .
  [   68.826134] NVRM: A GPU crash dump has been created. If possible, please 
                 NVRM: as root to collect this data before
                 NVRM: the NVIDIA kernel module is unloaded

  The system has been running beautifully up until today. Installing the
  other driver versions listed below didn't help any.

  $ sudo ubuntu-drivers devices
  == /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
  modalias : pci:v000010DEd00001C82sv00001458sd00003746bc03sc00i00
  vendor   : NVIDIA Corporation
  model    : GP107 [GeForce GTX 1050 Ti]
  driver   : nvidia-driver-390 - distro non-free
  driver   : nvidia-driver-435 - distro non-free
  driver   : nvidia-driver-440 - distro non-free recommended
  driver   : xserver-xorg-video-nouveau - distro free builtin

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-39-generic 5.4.0-39.43
  ProcVersionSignature: Ubuntu 5.4.0-39.43-generic 5.4.41
  Uname: Linux 5.4.0-39-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.3
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-id', 
'/dev/snd/controlC2', '/dev/snd/pcmC2D0c', '/dev/snd/controlC1', 
'/dev/snd/hwC1D0', '/dev/snd/pcmC1D9p', '/dev/snd/pcmC1D8p', 
'/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D3p', '/dev/snd/by-path', 
'/dev/snd/controlC0', '/dev/snd/hwC0D2', '/dev/snd/pcmC0D2c', 
'/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  CasperMD5CheckResult: skip
  Date: Sat Jun 27 16:27:12 2020
  HibernationDevice: RESUME=UUID=447e6756-8310-4bc0-9ccc-108f1df5019b
  InstallationDate: Installed on 2014-07-08 (2180 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Gigabyte Technology Co., Ltd. Z97N-WIFI
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-39-generic 
root=UUID=464ea2d6-bc69-4340-88ed-33902e231ef3 ro mds=off mitigations=off quiet 
splash vt.handoff=7
   linux-restricted-modules-5.4.0-39-generic N/A
   linux-backports-modules-5.4.0-39-generic  N/A
   linux-firmware                            1.187
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install) 09/18/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F7
  dmi.board.asset.tag: To be filled by O.E.M. Z97N-WIFI
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.version: To Be Filled By O.E.M.
dmi:bvnAmericanMegatrendsInc.:bvrF7:bd09/18/2015:svnGigabyteTechnologyCo.,Ltd.:pnZ97N-WIFI:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ97N-WIFI:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: To be filled by O.E.M. Z97N-WIFI
  dmi.product.sku: To be filled by O.E.M.
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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