[127869.000092] WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x1f6/0x210()

I have no Idea what happened. I just plug a USB-mass storage to the computer.

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: SI7012 [SiS SI7012], device 0: Intel ICH [SiS SI7012]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: jukka 10085 F.... pulseaudio
CRDA: Error: [Errno 2] Tiedostoa tai hakemistoa ei ole
Card0.Amixer.info:
 Card hw:0 'SI7012'/'SiS SI7012 with CMI9761B at irq 18'
   Mixer name : 'C-Media Electronics CMI9761B'
   Components : 'AC97a:434d4982'
   Controls : 40
   Simple ctrls : 27
Date: Fri Nov 20 09:55:17 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=b5cd4173-b7db-4ee2-9604-0a8cbc60b30d
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.
MachineType: American Megatrends Inc. Uknown
Package: linux-image-2.6.31-14-generic 2.6.31-14.48
ProcCmdLine: root=UUID=889cff2d-4fcd-4e6f-afdb-debf6c0a4fc3 ro quiet splash xforcevesa
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: [127869.000092] WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x1f6/0x210()
Uname: Linux 2.6.31-14-generic i686
WpaSupplicantLog:

dmi.bios.date: 10/07/2003
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.20
dmi.board.name: K7S8X.
dmi.board.version: 3.0
dmi.chassis.asset.tag: 0123ABC
dmi.chassis.type: 3
dmi.chassis.vendor: Uknown Chassis Manufacture
dmi.chassis.version: Version 1.00
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.20:bd10/07/2003:svnAmericanMegatrendsInc.:pnUknown:pvr1.0:rvn:rnK7S8X.:rvr3.0:cvnUknownChassisManufacture:ct3:cvrVersion1.00:
dmi.product.name: Uknown
dmi.product.version: 1.0
dmi.sys.vendor: American Megatrends Inc.