WARNING: at /build/buildd/linux-2.6.31/net/mac80211/scan.c:281 ieee80211_scan_completed 0xcf/0x3f0 [mac80211]()

problema en el nucleo del kernel...

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: tutor 1676 F.... pulseaudio
CRDA: Error: [Errno 2] No existe el fichero ó directorio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf1200000 irq 22'
   Mixer name : 'Realtek ALC883'
   Components : 'HDA:10ec0883,15585409,00100002 HDA:10573055,10573055,00100700'
   Controls : 34
   Simple ctrls : 21
Date: Sat Jun 19 14:19:49 2010
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=ecc02107-299d-4425-adfa-0be9bddd260f
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: CLEVO CO. M540R
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=aaace6df-8dd9-484e-804d-3c107fc83b86 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:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
Tags: kernel-oops
Title: WARNING: at /build/buildd/linux-2.6.31/net/mac80211/scan.c:281 ieee80211_scan_completed+0xcf/0x3f0 [mac80211]()
Uname: Linux 2.6.31-14-generic i686
dmi.bios.date: 05/28/2008
dmi.bios.vendor: Phoenix
dmi.bios.version: SROSA001.86C.
dmi.board.name: M540R
dmi.board.vendor: CLEVO
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: CLEVO
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenix:bvrSROSA001.86C.:bd05/28/2008:svnCLEVOCO.:pnM540R:pvrNotApplicable:rvnCLEVO:rnM540R:rvrNotApplicable:cvnCLEVO:ct1:cvrN/A:
dmi.product.name: M540R
dmi.product.version: Not Applicable
dmi.sys.vendor: CLEVO CO.