*** This bug is a duplicate of bug 1956519 ***
    https://bugs.launchpad.net/bugs/1956519

Hi Matthew,

that was quick! Yes, it appears to be sort of the same issue apart from
that where Vadik's machine does not make it through the boot process
mine does, but it will fail to shutdown or reboot...

Oliver

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https://bugs.launchpad.net/bugs/1956867

Title:
  BUG: kernel NULL pointer dereference, address: 000000000000000c

Status in linux package in Ubuntu:
  New

Bug description:
  This bug has been introduced with the upgrade of linux-
  image-5.13.0-22-generic to linux-image-5.13.0-23-generic.

  One effect - the only one observed so far - is that my system does not
  reboot or shutdown anymore; a hard power cycle is required to recover
  for the next system boot.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.10
  Package: linux-image-5.13.0-23-generic 5.13.0-23.23
  ProcVersionSignature: Ubuntu 5.13.0-23.23-generic 5.13.19
  Uname: Linux 5.13.0-23-generic x86_64
  ApportVersion: 2.20.11-0ubuntu71
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/controlC1', 
'/dev/snd/hwC1D0', '/dev/snd/pcmC1D2c', '/dev/snd/pcmC1D0c', 
'/dev/snd/pcmC1D0p', '/dev/snd/by-path', '/dev/snd/controlC0', 
'/dev/snd/hwC0D0', '/dev/snd/pcmC0D9p', '/dev/snd/pcmC0D8p', 
'/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] 
failed with exit code 1:
  CasperMD5CheckResult: unknown
  Date: Sun Jan  9 14:15:57 2022
  InstallationDate: Installed on 2021-10-08 (92 days ago)
  InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
  MachineType: GIGABYTE GB-BRR7H-4800
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-23-generic 
root=UUID=3a66a17e-60e4-4005-864e-410313ceda0d ro quiet splash vt.handoff=7
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: XDG_RUNTIME_DIR 
(/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e.g. 
happen if you try to connect to a non-root PulseAudio as a root user, over the 
native protocol. Don't do that.)
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-5.13.0-23-generic N/A
   linux-backports-modules-5.13.0-23-generic  N/A
   linux-firmware                             1.201.3
  SourcePackage: linux
  UpgradeStatus: Upgraded to impish on 2021-11-08 (62 days ago)
  dmi.bios.date: 05/05/2021
  dmi.bios.release: 5.16
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F5
  dmi.board.asset.tag: Default string
  dmi.board.name: GB-BRR7H-4800
  dmi.board.vendor: GIGABYTE
  dmi.board.version: 1.x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF5:bd05/05/2021:br5.16:svnGIGABYTE:pnGB-BRR7H-4800:pvr1.x:rvnGIGABYTE:rnGB-BRR7H-4800:rvr1.x:cvnDefaultstring:ct3:cvrDefaultstring:sku01:
  dmi.product.family: BRIX-00
  dmi.product.name: GB-BRR7H-4800
  dmi.product.sku: 01
  dmi.product.version: 1.x
  dmi.sys.vendor: GIGABYTE

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