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

el sistema de la pc me indica que hay un fallo grave en el núcleo pero yo no lo he notado todavía

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: SI7018 [SiS SI7018], device 0: trident_dx_nx [Trident 4DWave]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: alvaro 1398 F.... pulseaudio
 /dev/snd/timer: alvaro 1398 f.... pulseaudio
CRDA: Error: [Errno 2] No existe el fichero ó directorio
Card0.Amixer.info:
 Card hw:0 'SI7018'/'SiS SI7018 PCI Audio at 0xd000, irq 11'
   Mixer name : 'Realtek ALC100,100P rev 38,Silicon Laboratory Si3036,8 rev 1'
   Components : 'AC97a:414c4326 AC97m:53494c21'
   Controls : 166
   Simple ctrls : 153
Card0.Codecs.codec97.0.mc97.1.1:
 1-1/0: Silicon Laboratory Si3036,8 rev 1

 Extended modem ID: codec=1 LIN1
 Modem status : GPIO MREF ADC1 DAC1 PRE(ADC2) PRF(DAC2) PRG(HADC) PRH(HDAC)
 Line1 rate : 8000Hz
Date: Sat Oct 31 17:20:01 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=e1ff4364-b187-4863-88eb-20243d296a28
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.
Lsusb:
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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=988939d2-709c-4214-92a3-cefa5d200597 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
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 2.6.31-14-generic i686
dmi.bios.date: 07/15/97
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 062710
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.:bvr062710:bd07/15/97:svn:pn:pvr1234567890:rvn:rn:rvr:cvnUknownChassisManufacture:ct3:cvrVersion1.00:
dmi.product.version: 1234567890