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

[AdiN]

It is the firt time when I'am doing this .I don't know what I should wrote here. sorry for this.

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: ALC268 Analog [ALC268 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: adrian 1608 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0x98300000 irq 22'
   Mixer name : 'Realtek ALC268'
   Components : 'HDA:10ec0268,10250136,00100003 HDA:11c11040,10250136,00100200'
   Controls : 11
   Simple ctrls : 8
Date: Sat Oct 31 22:08:20 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=c15fbb48-e5b0-4c06-9f59-c132e051960a
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Acer Aspire 5315
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=ad64883d-0f2b-4999-93de-8b2a14a6c0ed ro quiet splash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-14-generic N/A
 linux-firmware 1.24
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 2.6.31-14-generic i686
dmi.bios.date: 11/10/2008
dmi.bios.vendor: Acer
dmi.bios.version: V1.45
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Acadia
dmi.board.vendor: Acer
dmi.board.version: V1.45
dmi.chassis.type: 1
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.45
dmi.modalias: dmi:bvnAcer:bvrV1.45:bd11/10/2008:svnAcer:pnAspire5315:pvrV1.45:rvnAcer:rnAcadia:rvrV1.45:cvnAcer:ct1:cvrV1.45:
dmi.product.name: Aspire 5315
dmi.product.version: V1.45
dmi.sys.vendor: Acer