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[Yuvraaj Kelkar <1205210@xxxxxxxxxxxxxxxxxx>]

apport information

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https://bugs.launchpad.net/bugs/1205210

Title:
   BUG: unable to handle kernel NULL pointer dereference at IP:
  [<ffffffff81044a99>] __ticket_spin_lock+0x9/0x30

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  System details:
  Dell Inspiron E1505. 2GB RAM, 200 GB SSD.
  I have a Logitech Dinovo Edge keyboard which I am able to pair, connect and then use.
  Every once in a while I get this kernel oops and it drops to text. Its possible to get back to X with Ctrl+Alt+f1 and the C-A-f7.
  However, the bt keyboard then no longer works.
  Rebooting the machine results in a hang. The only recourse so far seems to be to hard reboot.
  --- 
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  uv         2336 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=e26f02d0-0462-4873-88bb-9a582b4cfbb8
  InstallationDate: Installed on 2013-04-27 (89 days ago)
  InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: Dell Inc. MM061
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-26-generic root=UUID=122a0458-64bb-4afc-b7f8-c044791288bb ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-26-generic N/A
   linux-backports-modules-3.8.0-26-generic  N/A
   linux-firmware                            1.106
  Tags:  raring
  Uname: Linux 3.8.0-26-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 06/13/2007
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A17
  dmi.board.name: 0XD720
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA17:bd06/13/2007:svnDellInc.:pnMM061:pvr:rvnDellInc.:rn0XD720:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: MM061
  dmi.sys.vendor: Dell Inc.

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