WARNING: at /build/buildd/linux-2.6.38/net/wireless/mlme.c:307 __cfg80211_auth_remove+0x60/0xb0 [cfg80211]()

[gentl.ice]

error shows always. when i close window, it show again

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.38
Regression: No
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: NVidia [HDA NVidia], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: gi 1577 F.... pulseaudio
CRDA: Error: [Errno 2] Нет такого файла или каталога
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xf9f78000 irq 20'
   Mixer name : 'Nvidia MCP79/7A HDMI'
   Components : 'HDA:10ec0269,104383ce,00100004 HDA:10de0007,10de0101,00100100'
   Controls : 17
   Simple ctrls : 9
Date: Wed Mar 23 12:18:09 2011
Failure: oops
Frequency: I don't know.
HibernationDevice: RESUME=UUID=fe32f4f5-121e-4dec-b325-c4883d05ea55
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: ASUSTeK Computer INC. 1201N
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=f6619bc0-5d15-474a-b708-fd911a9195f6 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-7-generic N/A
 linux-backports-modules-2.6.38-7-generic N/A
 linux-firmware 1.49
SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.38/net/wireless/mlme.c:307 __cfg80211_auth_remove+0x60/0xb0 [cfg80211]()
UpgradeStatus: Upgraded to natty on 2011-03-15 (8 days ago)
dmi.bios.date: 04/29/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0326
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1201N
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0326:bd04/29/2010:svnASUSTeKComputerINC.:pn1201N:pvrx.x:rvnASUSTeKComputerINC.:rn1201N:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1201N
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.