Public bug reported:

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

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug impish

-- 
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/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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