WARNING: at /build/buildd/linux-2.6.31/net/mac80211/agg-tx.c:145 ___ieee80211_stop_tx_ba_session+0x91/0xa0 [mac80211]()

[mobergmann]

happend now the 3rd time.
Capslock flashing.
at booting afterwards there seems to be a problem with the file system

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: mo 1741 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfc020000 irq 17'
   Mixer name : 'Conexant CX20561 (Hermosa)'
   Components : 'HDA:14f15051,17aa211c,00100000 HDA:14f12c06,17aa2122,00100000'
   Controls : 14
   Simple ctrls : 7
Date: Sat Oct 31 12:22:32 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=234caf3a-2fd9-4ee6-833a-ef68ddec9e9c
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
MachineType: LENOVO 276552G
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=c74f1121-37dc-4fd7-86f5-21466988d52c 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/mac80211/agg-tx.c:145 ___ieee80211_stop_tx_ba_session+0x91/0xa0 [mac80211]()
Uname: Linux 2.6.31-14-generic x86_64
dmi.bios.date: 04/22/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7VET66WW (2.16 )
dmi.board.name: 276552G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7VET66WW(2.16):bd04/22/2009:svnLENOVO:pn276552G:pvrThinkPadT400:rvnLENOVO:rn276552G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 276552G
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO