WARNING: at /build/buildd/linux-2.6.31/net/mac80211/iface.c:651 ieee80211_teardown_sdata+0xda/0x1a0 [mac80211]()

[Nalin]

whenever i try to connect to my wi fi router it shows the same message.

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: AD198x Analog [AD198x Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: nalin 1651 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xe4504000 irq 16'
   Mixer name : 'Analog Devices AD1981'
   Components : 'HDA:11d41981,103c30c0,00100200 HDA:11c11040,103c1378,00100200'
   Controls : 11
   Simple ctrls : 9
Date: Sun Feb 21 10:58:50 2010
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=3c05a9f1-5ad5-42b7-86d6-15afd0ab0f29
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Hewlett-Packard HP Compaq 6710s (GP167PA#ACJ)
Package: linux-image-2.6.31-14-generic 2.6.31-14.48
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-14-generic root=UUID=1c673533-7d72-42b1-854d-f9ae50b5f25f 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/iface.c:651 ieee80211_teardown_sdata+0xda/0x1a0 [mac80211]()
Uname: Linux 2.6.31-14-generic i686
dmi.bios.date: 08/02/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68DDU Ver. F.0B
dmi.board.name: 30C0
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 71.2A
dmi.chassis.asset.tag: CNU7471DS6
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68DDUVer.F.0B:bd08/02/2007:svnHewlett-Packard:pnHPCompaq6710s(GP167PA#ACJ):pvrF.0B:rvnHewlett-Packard:rn30C0:rvrKBCVersion71.2A:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Compaq 6710s (GP167PA#ACJ)
dmi.product.version: F.0B
dmi.sys.vendor: Hewlett-Packard

[Gabe Gorelick (gabegorelick)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 457523, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.