iwlagn kernel oops WARNING: at /build/buildd/linux-2.6.35/net/wireless/core.c:633 wdev_cleanup_work+0xe1/0x110 [cfg80211]()

[Toby Collett]

Running an adhoc wireless connection, crash has happened twice now (once yesterday and once today). Unloading the iwlagn module and reloading it seems to bring networking back up happily.

ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.33
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
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: ALC262 Analog [ALC262 Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC262 Analog [ALC262 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: tcollett 2161 F.... xfce4-volumed
                      tcollett 2172 F.... pulseaudio
 /dev/snd/pcmC0D0p: tcollett 2172 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xffc3c000 irq 45'
   Mixer name : 'Realtek ALC262'
   Components : 'HDA:10ec0262,11790508,00100100'
   Controls : 20
   Simple ctrls : 13
Date: Tue Sep 28 11:03:53 2010
Failure: oops
Frequency: Once every few days.
HibernationDevice: RESUME=UUID=9154a605-4b5e-431e-b75f-15e10248f2a5
MachineType: TOSHIBA dynabook SS RX1/T7E
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=032884a5-145a-4203-b1b7-2802b7cebe00 ro clocksource=acpi_pm hpet=disabled crashkernel=384M-2G:64M,2G-:128M quiet splash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 1: phy1: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.35/net/wireless/core.c:633 wdev_cleanup_work+0xe1/0x110 [cfg80211]()
WpaSupplicantLog:

dmi.bios.date: 03/04/2008
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 1.60
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias: dmi:bvnTOSHIBA:bvrVersion1.60:bd03/04/2008:svnTOSHIBA:pndynabookSSRX1/T7E:pvrPARX1T7ELA:rvnTOSHIBA:rnPortablePC:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
dmi.product.name: dynabook SS RX1/T7E
dmi.product.version: PARX1T7ELA
dmi.sys.vendor: TOSHIBA