Public bug reported:

I don't understand this.

ProblemType: KernelOops
DistroRelease: Ubuntu 20.10
Package: linux-image-5.4.0-42-generic 5.4.0-42.46
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
Annotation: Your system might become unstable now and might need to be 
restarted.
ApportVersion: 2.20.11-0ubuntu43
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  mvidigal   1105 F.... pulseaudio
CasperMD5CheckResult: skip
Date: Tue Sep  8 05:26:53 2020
Failure: oops
InstallationDate: Installed on 2020-06-12 (88 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Dell Inc. Inspiron 5557
OopsText:
 BUG: Bad rss-counter state mm:000000006decdd2d type:MM_FILEPAGES val:47
 BUG: non-zero pgtables_bytes on freeing mm: 8192
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic 
root=UUID=b657c584-1ec0-4cfb-8649-928b3baf5fbb ro 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: kerneloops-daemon N/A
SourcePackage: linux
Title: BUG: Bad rss-counter state mm:000000006decdd2d type:MM_FILEPAGES val:47
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/23/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.7
dmi.board.name: 02XPMY
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.1.7:bd02/23/2016:svnDellInc.:pnInspiron5557:pvr:rvnDellInc.:rn02XPMY:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Inspiron 5557
dmi.product.sku: 070A
dmi.sys.vendor: Dell Inc.

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


** Tags: amd64 apport-kerneloops groovy kernel-oops

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https://bugs.launchpad.net/bugs/1894921

Title:
  BUG: Bad rss-counter state mm:000000006decdd2d type:MM_FILEPAGES
  val:47

Status in linux package in Ubuntu:
  New

Bug description:
  I don't understand this.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 20.10
  Package: linux-image-5.4.0-42-generic 5.4.0-42.46
  ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
  Uname: Linux 5.4.0-42-generic x86_64
  Annotation: Your system might become unstable now and might need to be 
restarted.
  ApportVersion: 2.20.11-0ubuntu43
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mvidigal   1105 F.... pulseaudio
  CasperMD5CheckResult: skip
  Date: Tue Sep  8 05:26:53 2020
  Failure: oops
  InstallationDate: Installed on 2020-06-12 (88 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  MachineType: Dell Inc. Inspiron 5557
  OopsText:
   BUG: Bad rss-counter state mm:000000006decdd2d type:MM_FILEPAGES val:47
   BUG: non-zero pgtables_bytes on freeing mm: 8192
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic 
root=UUID=b657c584-1ec0-4cfb-8649-928b3baf5fbb ro 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: kerneloops-daemon N/A
  SourcePackage: linux
  Title: BUG: Bad rss-counter state mm:000000006decdd2d type:MM_FILEPAGES val:47
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/23/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.1.7
  dmi.board.name: 02XPMY
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.1.7:bd02/23/2016:svnDellInc.:pnInspiron5557:pvr:rvnDellInc.:rn02XPMY:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Inspiron 5557
  dmi.product.sku: 070A
  dmi.sys.vendor: Dell Inc.

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