Public bug reported:
I was using kvm, while noticing a huge number of messages like this:
[662434.587171] type=1502 audit(1254817836.448:1893215):
operation="file_perm" pid=1717 parent=1
profile="/usr/sbin/libvirtd//null-e//null-10" requested_mask="::w"
denied_mask="::w" fsuid=0 ouid=1000
name="/home/arnd/kvm/windowsxpsp3.qcow2"
I decided to stop apparmoer by issuing:
sudo /etc/init.d/apparmor stop
Maybe there is a problem with concurrent calls of apparmor (triggering
audit messages by kvm) and stopping apparmor?
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be
restarted.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 1/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/dsp: root 1716 F.... kvm
/dev/snd/controlC0: arnd 2464 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd0620000 irq 22'
Mixer name : 'Analog Devices AD1882'
Components : 'HDA:11d41882,80861003,00100300'
Controls : 41
Simple ctrls : 24
Date: Tue Oct 6 10:30:46 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=/dev/sdb3
Package: linux-image-2.6.31-11-generic 2.6.31-11.36
ProcCmdLine: root=UUID=861603ac-5155-4707-ab0b-f3e756bdcd67 ro quiet splash
quiet
ProcVersionSignature: Ubuntu 2.6.31-11.36-generic
RelatedPackageVersions:
linux-backports-modules-2.6.31-11-generic N/A
linux-firmware 1.19
RfKill:
SourcePackage: linux
Tags: kernel-oops
Title: [662439.535407] BUG: unable to handle kernel NULL pointer dereference at
0000000000000068
Uname: Linux 2.6.31-11-generic x86_64
WpaSupplicantLog:
dmi.bios.date: 11/27/2008
dmi.bios.vendor: Intel Corp.
dmi.bios.version: CBQ4510H.86A.0067.2008.1127.1732
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: DQ45CB
dmi.board.vendor: Intel Corporation
dmi.board.version: AAE30148-205
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrCBQ4510H.86A.0067.2008.1127.1732:bd11/27/2008:svn:pn:pvr:rvnIntelCorporation:rnDQ45CB:rvrAAE30148-205:cvn:ct3:cvr:
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-kerneloops kernel-oops
--
BUG: unable to handle kernel NULL pointer dereference while stopping apparmor,
kvm related?
https://bugs.launchpad.net/bugs/444365
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