kernel-packages team mailing list archive

[John Johansen <john.johansen@xxxxxxxxxxxxx>]

After looking at this some bug some more the above fix, addresses a
different issue.

There is something else going on here, either there is a hardware
problem, or something at some point is scribbling on kernel memory
resulting in an invalid op code.

James,
If you hit any more oops please attach them so we can compare and try and figure out what is going on

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https://bugs.launchpad.net/bugs/1430546

Title:
  apparmor kernel BUG kills firefox

Status in linux package in Ubuntu:
  Triaged

Bug description:
  I got this kernel BUG last night and its happened a couple of times
  now since I upgraded to Utopic.  When it happens one of my firefoxs
  will becomes non-functional and I have to reboot to get it unstuck.

  I'm using encrypted home dir (ecryptfs) and the packaged firefox
  profile in enforce mode with a small
  /etc/apparmor.d/local/usr.bin.firefox.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-31-generic 3.16.0-31.41
  ProcVersionSignature: Ubuntu 3.16.0-31.41-generic 3.16.7-ckt5
  Uname: Linux 3.16.0-31-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC0D0p:   james      3599 F...m pulseaudio
   /dev/snd/controlC0:  james      3599 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Mar 10 21:38:33 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2011-10-20 (1237 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: TOSHIBA TECRA R840
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-generic root=UUID=b59c3fb7-c197-4238-8dd3-f71d81bbb315 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-31-generic N/A
   linux-backports-modules-3.16.0-31-generic  N/A
   linux-firmware                             1.138.1
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to utopic on 2015-01-05 (64 days ago)
  dmi.bios.date: 07/12/2011
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: Version 2.90
  dmi.board.asset.tag: 0000000000
  dmi.board.name: Portable PC
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Version A0
  dmi.chassis.asset.tag: 0000000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: Version 1.0
  dmi.modalias: dmi:bvnTOSHIBA:bvrVersion2.90:bd07/12/2011:svnTOSHIBA:pnTECRAR840:pvrPT42GE-00N006EN:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
  dmi.product.name: TECRA R840
  dmi.product.version: PT42GE-00N006EN
  dmi.sys.vendor: TOSHIBA

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