Public bug reported:
after umount usb stick kernel become unstable
ProblemType: KernelOops
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-10-generic-pae 3.2.0-10.18
ProcVersionSignature: Ubuntu 3.2.0-10.18-generic-pae 3.2.1
Uname: Linux 3.2.0-10-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
Annotation: Your system might become unstable now and might need to be
restarted.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.91-0ubuntu1
Architecture: i386
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: rainer 1510 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x96440000 irq 43'
Mixer name : 'Realtek ALC272X'
Components : 'HDA:10ec0272,1025022c,00100001'
Controls : 15
Simple ctrls : 9
Date: Fri Jan 27 15:33:48 2012
Failure: oops
HibernationDevice: RESUME=UUID=5099810f-195a-4281-91ac-65d017a302b7
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120118)
MachineType: Acer AO531h
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-10-generic-pae
root=UUID=ca148697-95ce-4b88-b44a-a39f5759046b 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
SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at 00000004
UpgradeStatus: Upgraded to precise on 2012-01-27 (0 days ago)
dmi.bios.date: 12/22/2009
dmi.bios.vendor: Acer
dmi.bios.version: v0.3304
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAcer:bvrv0.3304:bd12/22/2009:svnAcer:pnAO531h:pvr1:rvnAcer:rn:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: AO531h
dmi.product.version: 1
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-kerneloops i386 kernel-oops precise
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https://bugs.launchpad.net/bugs/922625
Title:
BUG: unable to handle kernel NULL pointer dereference at 00000004
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