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[Launchpad Bug Tracker <1096497@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1096497

Title:
  Disabling lock debugging due to kernel taint  with no apparent cause

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Hi,
    I'm seeing the 'Disabling lock debugging due to kernel taint' message on both my raring host and on (this) raring kvm guest,
  but I don't see anything in any logs saying why it's tainted.

  /proc/sys/kernel/tainted has the value 2   which my reading is module forced, but I don't really see why.
  (only possibility I can see is module signing it is causing it? I can see in the code it sets the flag but doesn't seem to moan, and we do have it enabled).

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.7.0-7-generic 3.7.0-7.15
  ProcVersionSignature: Ubuntu 3.7.0-7.15-generic 3.7.0
  Uname: Linux 3.7.0-7-generic x86_64
  ApportVersion: 2.7-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dg         1565 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  CurrentDmesg:
   [   64.643842] ISO 9660 Extensions: Microsoft Joliet Level 3
   [   64.670482] ISO 9660 Extensions: RRIP_1991A
   [   64.820121] hda-intel: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj.
  Date: Sun Jan  6 02:05:33 2013
  HibernationDevice: RESUME=UUID=0755ab67-0c09-463d-b3f9-4efd03f72ced
  InstallationDate: Installed on 2012-11-24 (42 days ago)
  InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20121123)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: Bochs Bochs
  MarkForUpload: True
  ProcFB: 0 cirrusdrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.7.0-7-generic root=UUID=ced98a70-8ff2-4b6c-945e-8a2da664309b ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.7.0-7-generic N/A
   linux-backports-modules-3.7.0-7-generic  N/A
   linux-firmware                           1.99
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/01/2011
  dmi.bios.vendor: Bochs
  dmi.bios.version: Bochs
  dmi.chassis.type: 1
  dmi.chassis.vendor: Bochs
  dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2011:svnBochs:pnBochs:pvr:cvnBochs:ct1:cvr:
  dmi.product.name: Bochs
  dmi.sys.vendor: Bochs

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