Crash icon warning splash appeared on top left of display

No further info, save that splash appeared a day or so ago, and I have Ubuntu 9.10

Sorry, no problems identified by this user.

ProblemType: KernelOops
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: ALC883 Analog [ALC883 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: charles 1646 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfdff8000 irq 22'
   Mixer name : 'Realtek ALC883'
   Components : 'HDA:10ec0883,1462f603,00100002'
   Controls : 32
   Simple ctrls : 19
Date: Sun Jan 24 21:11:56 2010
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=5a7fa1fd-0eca-40b6-bbfb-67a0ec7b0d54
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.
MachineType: MICRO-STAR INTERNATIONAL CO., LTD MS-7235
NonfreeKernelModules: nvidia
Package: linux-image-2.6.31-16-generic 2.6.31-16.53
ProcCmdLine: root=UUID=d40f7220-40c0-4219-927d-79ee9d2e920b ro quiet splash
ProcVersionSignature: Ubuntu 2.6.31-16.53-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-16-generic N/A
 linux-firmware 1.24
RfKill:

SourcePackage: linux
Tags: kernel-oops
Title: WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x1f6/0x210()
Uname: Linux 2.6.31-16-generic i686
WpaSupplicantLog:

dmi.bios.date: 08/18/2006
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: MS-7235
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: REV:1.1
dmi.chassis.type: 3
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd08/18/2006:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7235:pvrREV1.1:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7235:rvrREV1.1:cvn:ct3:cvr:
dmi.product.name: MS-7235
dmi.product.version: REV:1.1
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD