BUG: unable to handle kernel NULL pointer dereference at 00000000000000f0

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ProblemType: KernelOops
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-15-generic 3.2.0-15.24
ProcVersionSignature: Ubuntu 3.2.0-15.24-generic 3.2.5
Uname: Linux 3.2.0-15-generic x86_64
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: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ubuntu 3403 F.... pulseaudio
CRDA:
 country CN:
  (2402 - 2482 @ 40), (N/A, 20)
  (5735 - 5835 @ 40), (N/A, 30)
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd4400000 irq 43'
   Mixer name : 'Intel IbexPeak HDMI'
   Components : 'HDA:10ec0272,10250482,00100001 HDA:80862804,10250482,00100000'
   Controls : 26
   Simple ctrls : 12
CasperVersion: 1.304
Date: Sun May 20 17:03:10 2012
Failure: oops
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120214)
MachineType: Acer Aspire 4738
ProcKernelCmdLine: file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
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
SourcePackage: linux
StagingDrivers: mei
Title: BUG: unable to handle kernel NULL pointer dereference at 00000000000000f0
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/10/2010
dmi.bios.vendor: INSYDE
dmi.bios.version: V1.06
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JE41_CP
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnINSYDE:bvrV1.06:bd09/10/2010:svnAcer:pnAspire4738:pvrV1.06:rvnAcer:rnJE41_CP:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: Aspire 4738
dmi.product.version: V1.06
dmi.sys.vendor: Acer