Comment 60 for bug 555286

Have you tried to change the wireless chanel on your router? That fixed it
for me. Seems interference causes some strange errors.

Good luck

Mark

On 2011-01-01 11:41 AM, "d4yw41k3r" <email address hidden> wrote:

I am having the same problem with an NVidia Geforce Go 7300.

--
You received this bug notification because you are a direct subscriber
of the bug.
https://bugs.launchpad.net/bugs/555286

Title:
 Kernel crash when switching off wlan after wlan hangup (iwl3945)

Status in X.org XServer - ATI gfx chipset driver:
 Confirmed
Status in “linux” package in Ubuntu:
 Confirmed

Bug description:
 Hi,

when I'm watching Zattoo (online tv) my wlan connection dies after a few
minutes. Automatic reconnect is not possible, syslog shows the following
error messages:

Apr 4 20:21:21 r60 kernel: [ 727.542280] No probe response from AP
00:1f:3f:1e:41:b5 after 500ms, disconnecting.
Apr 4 20:21:21 r60 wpa_supplicant[1048]: CTRL-EVENT-DISCONNECTED -
Disconnect event - remove keys
Apr 4 20:21:21 r60 NetworkManager: <info> (wlan0): supplicant connection
state: completed -> disconnected
Apr 4 20:21:21 r60 NetworkManager: <info> (wlan0): supplicant connection
state: disconnected -> scanning
Apr 4 20:21:22 r60 kernel: [ 728.212555] iwl3945 0000:03:00.0: Error
sending REPLY_RXON: time out after 500ms.
Apr 4 20:21:22 r60 kernel: [ 728.212565] iwl3945 0000:03:00.0: Error
setting new configuration (-110).
(...)

As a workaround I have to switch wlan off and on, while doing this in one of
ten cases I get the kernel oops I'm reporting here. The Problems are
probably related.

Apr 4 20:25:06 r60 kernel: [ 953.043563] ------------[ cut here
]------------
Apr 4 20:25:06 r60 kernel: [ 953.043599] WARNING: at
/build/buildd/linux-2.6.32/net/wireless/core.c:614
wdev_cleanup_work+0xe9/0x110 [cfg80211]()
Apr 4 20:25:06 r60 kernel: [ 953.043604] Hardware name: 9461DXG
Apr 4 20:25:06 r60 kernel: [ 953.043608] Modules linked in: cryptd
aes_x86_64 aes_generic binfmt_misc rfcomm ppdev sco bridge stp bnep l2cap
vboxnetadp vboxnetflt vboxdrv joydev dm_crypt snd_hda_codec_analog pcmcia
usblp arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss
snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi
snd_seq_midi_event iwl3945 snd_seq iwlcore snd_timer snd_seq_device
yenta_socket mac80211 btusb bluetooth thinkpad_acpi led_class nvram
rsrc_nonstatic lp pcmcia_core psmouse serio_raw cfg80211 snd parport
soundcore snd_page_alloc fbcon tileblit font bitblit softcursor vga16fb
vgastate usbhid hid radeon ttm ums_cypress ohci1394 usb_storage ieee1394
drm_kms_helper ahci video output drm i2c_algo_bit intel_agp tg3
Apr 4 20:25:06 r60 kernel: [ 953.043716] Pid: 9, comm: events/0 Not
tainted 2.6.32-19-generic #28-Ubuntu
Apr 4 20:25:06 r60 kernel: [ 953.043721] Call Trace:
Apr 4 20:25:06 r60 kernel: [ 953.043736] [<ffffffff81066ceb>]
warn_slowpath_common+0x7b/0xc0
Apr 4 20:25:06 r60 kernel: [ 953.043743] [<ffffffff81066d44>]
warn_slowpath_null+0x14/0x20
Apr 4 20:25:06 r60 kernel: [ 953.043759] [<ffffffffa02a70f9>]
wdev_cleanup_work+0xe9/0x110 [cfg80211]
Apr 4 20:25:06 r60 kernel: [ 953.043774] [<ffffffffa02a7010>] ?
wdev_cleanup_work+0x0/0x110 [cfg80211]
Apr 4 20:25:06 r60 kernel: [ 953.043783] [<ffffffff81080757>]
run_workqueue+0xc7/0x1a0
Apr 4 20:25:06 r60 kernel: [ 953.043790] [<ffffffff810808d3>]
worker_thread+0xa3/0x110
Apr 4 20:25:06 r60 kernel: [ 953.043798] [<ffffffff81085300>] ?
autoremove_wake_function+0x0/0x40
Apr 4 20:25:06 r60 kernel: [ 953.043805] [<ffffffff81080830>] ?
worker_thread+0x0/0x110
Apr 4 20:25:06 r60 kernel: [ 953.043811] [<ffffffff81084f86>]
kthread+0x96/0xa0
Apr 4 20:25:06 r60 kernel: [ 953.043819] [<ffffffff810141ea>]
child_rip+0xa/0x20
Apr 4 20:25:06 r60 kernel: [ 953.043825] [<ffffffff81084ef0>] ?
kthread+0x0/0xa0
Apr 4 20:25:06 r60 kernel: [ 953.043831] [<ffffffff810141e0>] ?
child_rip+0x0/0x20
Apr 4 20:25:06 r60 kernel: [ 953.043835] ---[ end trace 27f983551f31d6c0
]---

ProblemType: KernelOops
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-19-generic 2.6.32-19.28
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
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: AD198x Analog [AD198x Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: christophe 1591 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xee400000 irq 17'
  Mixer name : 'Analog Devices AD1981'
  Components : 'HDA:11d41981,17aa2025,00100200'
  Controls : 20
  Simple ctrls : 11
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
7CHT22WW-1.10'
  Mixer name : 'ThinkPad EC 7CHT22WW-1.10'
  Components : ''
  Controls : 2
  Simple ctrls : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 14
  Mono: Playback 14 [100%] [on]
Date: Sun Apr 4 20:25:12 2010
Failure: oops
HibernationDevice: RESUME=UUID=f0ac1718-219d-4794-b568-07a1df820bfc
MachineType: LENOVO 9461DXG
PccardctlIdent:
 Socket 0:
  no product info available
PccardctlStatus:
 Socket 0:
  no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-generic
root=UUID=76a2ac5d-a68d-4595-8a11-e60177aff67e ro quiet splash
RelatedPackageVersions: linux-firmware 1.33
SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.32/net/wireless/core.c:614
wdev_cleanup_work+0xe9/0x110 [cfg80211]()
dmi.bios.date: 08/28/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7CETD3WW (2.23 )
dmi.board.name: 9461DXG
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:bvr7CETD3WW(2.23):bd08/28/2009:svnLENOVO:pn9461DXG:pvrThinkPadR60:rvnLENOVO:rn9461DXG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 9461DXG
dmi.product.version: ThinkPad R60
dmi.sys.vendor: LENOVO

To unsubscribe from this bug, go to:
https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/555286/+subscribe