Public bug reported:
was using vim on tty1;
calling "sync" every 10s using infinite for loop on tty2 (minimise data loss
due to system crash on ext4 partition)
kernel messages pops up over my vim screen, but system kept running with no
observable problem under either active tty.
system hangs when trying to switch to gui (Ctrl-alt-F7) - blank screen, system
not responding to magic sysrq.
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be
restarted.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: I82801AAICH [Intel 82801AA-ICH], device 0: Intel ICH [Intel
82801AA-ICH]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: quincy 1804 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'I82801AAICH'/'Intel 82801AA-ICH with STAC9700,83,84 at irq 21'
Mixer name : 'SigmaTel STAC9700,83,84'
Components : 'AC97a:83847600'
Controls : 34
Simple ctrls : 24
CurrentDmesg: [ 20.467595] eth0: no IPv6 routers present
Date: Thu Oct 22 10:37:13 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=4f615bce-5d8e-40a3-a3cd-80653e0e36b4
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
Package: linux-image-2.6.31-14-generic 2.6.31-14.48
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-14-generic
root=UUID=b902f46b-0eea-44bb-a558-d987eb7661ec ro
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
linux-backports-modules-2.6.31-14-generic N/A
linux-firmware 1.24
RfKill:
SourcePackage: linux
Tags: kernel-oops
Title: BUG: unable to handle kernel NULL pointer dereference at (null)
Uname: Linux 2.6.31-14-generic x86_64
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias:
dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-kerneloops kernel-oops
--
BUG: unable to handle kernel NULL pointer dereference at (null)
https://bugs.launchpad.net/bugs/457745
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