Public bug reported:
Binary package hint: linux-image-2.6.31-10-generic
Wlan driver has problem keeping connection up, every now and then it
even gives stack trace.
[149763.983357] wlan0: Selected IBSS BSSID c6:6c:ba:2f:68:df based on
configured SSID
[149774.889047] wlan0: no IPv6 routers present
[157956.000105] wlan0: No active IBSS STAs - trying to scan for other IBSS
networks with same SSID (merge)
[157991.012071] wlan0: No active IBSS STAs - trying to scan for other IBSS
networks with same SSID (merge)
[158015.436075] wlan0: Selected IBSS BSSID c6:6c:ba:2f:68:df based on
configured SSID
[158046.000122] wlan0: No active IBSS STAs - trying to scan for other IBSS
networks with same SSID (merge)
[158054.320640] wlan0: Trigger new scan to find an IBSS to join
[158058.826685] wlan0: Selected IBSS BSSID c6:6c:ba:2f:68:df based on
configured SSID
[158058.855490] wlan0: No active IBSS STAs - trying to scan for other IBSS
networks with same SSID (merge)
[158088.988163] wlan0: No active IBSS STAs - trying to scan for other IBSS
networks with same SSID (merge)
[158103.944551] wlan0: Trigger new scan to find an IBSS to join
[158111.000114] wlan0: Trigger new scan to find an IBSS to join
[158115.317514] wlan0: Creating new IBSS network, BSSID 12:24:ca:0d:3c:5c
[158117.988124] wlan0: Trigger new scan to find an IBSS to join
[158123.962896] wlan0: Creating new IBSS network, BSSID c6:64:e8:2f:44:53
[158124.044093] ------------[ cut here ]------------
[158124.044132] WARNING: at /build/buildd/linux-2.6.31/net/mac80211/iface.c:651
ieee80211_teardown_sdata+0xda/0x1a0 [mac80211]()
[158124.044139] Hardware name: 64576DG
[158124.044143] Modules linked in: iwl3945 iwlcore mac80211 cfg80211 vboxnetadp
vboxnetflt vboxdrv ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs
reiserfs binfmt_misc ppdev bridge stp bnep kqemu nfsd exportfs nfs lockd
nfs_acl auth_rpcgss sunrpc lp parport snd_hda_codec_analog snd_hda_intel
snd_hda_codec snd_pcm_oss snd_mixer_oss arc4 snd_pcm snd_seq_dummy snd_seq_oss
ecb joydev snd_seq_midi nouveau snd_rawmidi snd_seq_midi_event snd_seq
snd_timer ttm snd_seq_device drm pcmcia sdhci_pci thinkpad_acpi ricoh_mmc sdhci
yenta_socket snd soundcore psmouse snd_page_alloc led_class rsrc_nonstatic
i2c_algo_bit pcmcia_core serio_raw btusb nvram sha256_generic aes_i586
aes_generic cbc dm_crypt ohci1394 ieee1394 video output e1000e dm_raid45 xor
fbcon tileblit font bitblit softcursor intel_agp agpgart [last unloaded:
cfg80211]
[158124.044329] Pid: 4310, comm: wpa_supplicant Not tainted 2.6.31-10-generic
#32-Ubuntu
[158124.044334] Call Trace:
[158124.044350] [<c014082d>] warn_slowpath_common+0x6d/0xa0
[158124.044378] [<fcdfd95a>] ? ieee80211_teardown_sdata+0xda/0x1a0 [mac80211]
[158124.044405] [<fcdfd95a>] ? ieee80211_teardown_sdata+0xda/0x1a0 [mac80211]
[158124.044414] [<c0140875>] warn_slowpath_null+0x15/0x20
[158124.044441] [<fcdfd95a>] ieee80211_teardown_sdata+0xda/0x1a0 [mac80211]
[158124.044467] [<fcdfda6a>] ieee80211_if_change_type+0x4a/0xc0 [mac80211]
[158124.044478] [<c0137a17>] ? try_to_wake_up+0xf7/0x350
[158124.044504] [<fce00111>] ieee80211_change_iface+0x61/0xa0 [mac80211]
[158124.044529] [<fcdac087>] cfg80211_wext_siwmode+0xc7/0x120 [cfg80211]
[158124.044541] [<c0550708>] ioctl_standard_call+0x58/0xf0
[158124.044549] [<c055085a>] T.788+0xba/0x140
[158124.044569] [<fcdabfc0>] ? cfg80211_wext_siwmode+0x0/0x120 [cfg80211]
[158124.044577] [<c0550929>] T.789+0x49/0x80
[158124.044585] [<c055098a>] wext_handle_ioctl+0x2a/0x70
[158124.044595] [<c0498d69>] dev_ioctl+0x249/0x250
[158124.044605] [<c04887fb>] sock_ioctl+0x1cb/0x260
[158124.044613] [<c0488630>] ? sock_ioctl+0x0/0x260
[158124.044622] [<c01f020c>] vfs_ioctl+0x1c/0x90
[158124.044630] [<c01f0531>] do_vfs_ioctl+0x71/0x310
[158124.044637] [<c01f082f>] sys_ioctl+0x5f/0x80
[158124.044646] [<c010334c>] syscall_call+0x7/0xb
[158124.044652] ---[ end trace e852b4115881f16b ]---
[158124.112856] Registered led device: iwl-phy0::radio
[158124.112905] Registered led device: iwl-phy0::assoc
[158124.112948] Registered led device: iwl-phy0::RX
[158124.112990] Registered led device: iwl-phy0::TX
[158124.194754] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[158124.209196] wlan0: direct probe to AP 00:1e:4a:5e:73:32 try 1
[158124.215714] wlan0 direct probe responded
[158124.215717] wlan0: authenticate with AP 00:1e:4a:5e:73:32
[158124.226773] wlan0: authenticated
[158124.226776] wlan0: associate with AP 00:1e:4a:5e:73:32
[158124.235620] wlan0: RX AssocResp from 00:1e:4a:5e:73:32 (capab=0x411
status=0 aid=74)
[158124.235624] wlan0: associated
[158124.237089] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[158134.496063] wlan0: no IPv6 routers present
[158142.432116] wlan0: no probe response from AP 00:1e:4a:5e:73:32 -
disassociating
[158155.742172] wlan0: direct probe to AP 00:11:92:f3:fb:72 try 1
[158155.940106] wlan0: direct probe to AP 00:11:92:f3:fb:72 try 2
[158156.140102] wlan0: direct probe to AP 00:11:92:f3:fb:72 try 3
[158156.144560] wlan0 direct probe responded
[158156.144567] wlan0: authenticate with AP 00:11:92:f3:fb:72
[158156.146014] wlan0: authenticated
[158156.146019] wlan0: associate with AP 00:11:92:f3:fb:72
[158156.153376] wlan0: RX ReassocResp from 00:11:92:f3:fb:72 (capab=0x411
status=0 aid=111)
[158156.153383] wlan0: associated
[158172.917341] wlan0: disassociating by local choice (reason=3)
[158172.920156] wlan0: deauthenticated (Reason: 2)
[158172.973052] wlan0: deauthenticating by local choice (reason=3)
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be
restarted.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: neurocid 4893 F.... pulseaudio
neurocid 23472 F.... PAFSpadePoker.e
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe220000 irq 17'
Mixer name : 'Analog Devices AD1984'
Components : 'HDA:11d41984,17aa20bb,00100400'
Controls : 29
Simple ctrls : 18
Date: Wed Sep 16 11:27:10 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=UUID=83e3fb67-698c-4277-8622-836b5197c931
MachineType: LENOVO 64576DG
Package: linux-image-2.6.31-10-generic 2.6.31-10.32
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.31-10-generic root=/dev/mapper/lvm-root ro
quiet splash
ProcVersionSignature: Ubuntu 2.6.31-10.32-generic
RelatedPackageVersions:
linux-backports-modules-2.6.31-10-generic N/A
linux-firmware 1.18
SourcePackage: linux
Tags: kernel-oops
Title: [159176.968084] ------------[ cut here ]------------
Uname: Linux 2.6.31-10-generic i686
dmi.bios.date: 08/22/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LET51WW (1.21 )
dmi.board.name: 64576DG
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:bvr7LET51WW(1.21):bd08/22/2007:svnLENOVO:pn64576DG:pvrThinkPadT61:rvnLENOVO:rn64576DG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 64576DG
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-kerneloops i386 kernel-oops
--
ARNING: at /build/buildd/linux-2.6.31/net/mac80211/iface.c:651
ieee80211_teardown_sdata+0xda/0x1a0 [mac80211]()
https://bugs.launchpad.net/bugs/430555
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