Public bug reported:

This bug appears sometimes but i don't know why exactly

ProblemType: KernelOops
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-14-generic 3.2.0-14.23
ProcVersionSignature: Ubuntu 3.2.0-14.23-generic 3.2.3
Uname: Linux 3.2.0-14-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
Annotation: Your system might become unstable now and might need to be 
restarted.
ApportVersion: 1.91-0ubuntu1
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  yohgaz     1971 F.... pulseaudio
 /dev/snd/controlC0:  yohgaz     1971 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not 
found.
Card0.Amixer.info:
 Card hw:0 'CMI8738'/'C-Media CMI8738 (model 55) at 0xae00, irq 18'
   Mixer name   : 'CMedia PCI'
   Components   : ''
   Controls      : 41
   Simple ctrls  : 22
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xdfefc000 irq 25'
   Mixer name   : 'ATI R6xx HDMI'
   Components   : 'HDA:1002aa01,00aa0100,00100100'
   Controls      : 6
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
CurrentDmesg:
 [   30.912009] eth0: no IPv6 routers present
 [  207.783529] audit_printk_skb: 45 callbacks suppressed
 [  207.783533] type=1400 audit(1328794200.466:27): apparmor="DENIED" 
operation="open" parent=2032 profile="/usr/lib/telepathy/mission-control-5" 
name="/sys/devices/system/cpu/online" pid=2034 comm="mission-control" 
requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
 [  210.338126] type=1400 audit(1328794203.022:28): apparmor="DENIED" 
operation="open" parent=2067 profile="/usr/lib/telepathy/telepathy-*" 
name="/sys/devices/system/cpu/online" pid=2069 comm=64636F6E6620776F726B6572 
requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
Date: Thu Feb  9 14:25:07 2012
Failure: oops
HibernationDevice: RESUME=UUID=5613bbcd-4869-4f01-8042-14a98041fb2d
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
MachineType: MICRO-STAR INTERNATIONAL CO., LTD MS-7253
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-14-generic 
root=UUID=d3692226-34e7-49c1-be4b-29f8b3bd798a ro quiet splash vt.handoff=7
PulseSinks: Error: command ['pacmd', 'list-sinks'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
PulseSources: Error: command ['pacmd', 'list-sources'] failed with exit code 1: 
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-1ubuntu18
RfKill:
 
SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at 00000004
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/01/2006
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: MS-7253
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: 1.00
dmi.chassis.type: 3
dmi.modalias: 
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd09/01/2006:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7253:pvr1.00:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7253:rvr1.00:cvn:ct3:cvr:
dmi.product.name: MS-7253
dmi.product.version: 1.00
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD

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


** Tags: apport-kerneloops i386 kernel-oops precise

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https://bugs.launchpad.net/bugs/929520

Title:
  BUG: unable to handle kernel NULL pointer dereference at 00000004

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