Public bug reported:
linux-image-2.6.24-15-generic crashed after ifconfig wlan0 down.
I can't also make an Ad-Hoc connection to any host (esepcially to
windows one - without any encryption). There are mny input/output errors
and many more.. Mode ad-hoc can be set while interface wlan0 is down,
but essid can be set while interface is up.
It can be iwl4965 (1.2.25) driver bug
System crashed just after ifconfig wlan0 down.
It can't also
Apr 12 12:34:25 thinkpad kernel: [ 729.432632] ------------[ cut here
]------------
Apr 12 12:34:25 thinkpad kernel: [ 729.432640] kernel BUG at
/build/buildd/linux-2.6.24/kernel/workqueue.c:273!
Apr 12 12:34:25 thinkpad kernel: [ 729.432646] invalid opcode: 0000 [#1] SMP
Apr 12 12:34:25 thinkpad kernel: [ 729.432651] Modules linked in: iwl4965
vboxdrv usbhid hid e1000 iwlwifi_mac80211 cfg80211 led_class rndis_host
cdc_ether usbnet mii af_packet nls_iso8859_1 nls_cp437 vfat fat ipv6
binfmt_misc container sbs bay sbshc dock acpi_cpufreq cpufreq_powersave
cpufreq_stats cpufreq_userspace cpufreq_ondemand cpufreq_conservative
freq_table iptable_filter ip_tables x_tables ext3 jbd mbcache input_polldev
tp_smapi thinkpad_ec uinput loop arc4 ecb snd_hda_intel snd_pcm_oss
snd_mixer_oss snd_pcm joydev snd_page_alloc snd_hwdep snd_seq_dummy snd_seq_oss
snd_seq_midi nvidia(P) snd_rawmidi agpgart i2c_core ac battery
snd_seq_midi_event snd_seq snd_timer snd_seq_device snd video output shpchp
thinkpad_acpi button psmouse serio_raw iTCO_wdt iTCO_vendor_support nvram
soundcore evdev pci_hotplug pcspkr reiserfs sha256_generic aes_i586 cbc
blkcipher sr_mod cdrom ata_piix sg sd_mod usb_storage libusual ata_generic
pata_acpi ahci ohci1394 ieee1394 libata scsi_mod ehci_hcd dm_crypt uhci_hcd
usbcore dm
Apr 12 12:34:25 thinkpad kernel: mirror dm_snapshot dm_mod thermal processor
fan fbcon tileblit font bitblit softcursor fuse
Apr 12 12:34:25 thinkpad kernel: [ 729.432800]
Apr 12 12:34:25 thinkpad kernel: [ 729.432805] Pid: 18450, comm: iwl4965
Tainted: P (2.6.24-16-generic #1)
Apr 12 12:34:25 thinkpad kernel: [ 729.432811] EIP:
0060:[run_workqueue+0x105/0x160] EFLAGS: 00010286 CPU: 1
Apr 12 12:34:25 thinkpad kernel: [ 729.432822] EIP is at
run_workqueue+0x105/0x160
Apr 12 12:34:25 thinkpad kernel: [ 729.432827] EAX: 00000000 EBX: f2994628
ECX: f299462c EDX: f299462c
Apr 12 12:34:25 thinkpad kernel: [ 729.432831] ESI: 00000000 EDI: f0844b00
EBP: f8c7d2f0 ESP: f1085f88
Apr 12 12:34:25 thinkpad kernel: [ 729.432836] DS: 007b ES: 007b FS: 00d8 GS:
0000 SS: 0068
Apr 12 12:34:25 thinkpad kernel: [ 729.432842] Process iwl4965 (pid: 18450,
ti=f1084000 task=f7c71680 task.ti=f1084000)
Apr 12 12:34:25 thinkpad kernel: [ 729.432846] Stack: 00000000 000000ff
00000000 00000000 f0844b04 f0844b0c f0844b00 c013d860
Apr 12 12:34:25 thinkpad kernel: [ 729.432860] f0844b04 c013d8e4
00000000 f7c71680 c0140b70 f1085fbc f1085fbc fffffffc
Apr 12 12:34:25 thinkpad kernel: [ 729.432871] f0844b00 c013d860
00000000 c01408b2 c0140870 00000000 00000000 c0105677
Apr 12 12:34:25 thinkpad kernel: [ 729.432883] Call Trace:
Apr 12 12:34:25 thinkpad kernel: [ 729.432905] [worker_thread+0x0/0xe0]
worker_thread+0x0/0xe0
Apr 12 12:34:25 thinkpad kernel: [ 729.432919] [worker_thread+0x84/0xe0]
worker_thread+0x84/0xe0
Apr 12 12:34:25 thinkpad kernel: [ 729.432931] [<c0140b70>]
autoremove_wake_function+0x0/0x40
Apr 12 12:34:25 thinkpad kernel: [ 729.432946] [worker_thread+0x0/0xe0]
worker_thread+0x0/0xe0
Apr 12 12:34:25 thinkpad kernel: [ 729.432957] [kthread+0x42/0x70]
kthread+0x42/0x70
Apr 12 12:34:25 thinkpad kernel: [ 729.432963] [kthread+0x0/0x70]
kthread+0x0/0x70
Apr 12 12:34:25 thinkpad kernel: [ 729.432973]
[kernel_thread_helper+0x7/0x10] kernel_thread_helper+0x7/0x10
Apr 12 12:34:25 thinkpad kernel: [ 729.432991] =======================
Apr 12 12:34:25 thinkpad kernel: [ 729.432993] Code: 04 c7 46 18 00 00 00 00
3b 4c 24 10 75 9b 83 6f 24 01 b8 01 00 00 00 86 07 fb 0f 1f 84 00 00 00 00 00
90 83 c4 14 5b 5e 5f 5d c3 <0f> 0b eb fe 8d b4 26 00 00 00 00 64 a1 00 f0 46 c0
8b 90 c8 00
Apr 12 12:34:25 thinkpad kernel: [ 729.433057] EIP:
[run_workqueue+0x105/0x160] run_workqueue+0x105/0x160 SS:ESP 0068:f1085f88
Apr 12 12:34:25 thinkpad kernel: [ 729.433071] ---[ end trace edd88c3c07f61bf7
]---
Apr 12 12:34:29 thinkpad kernel: [ 729.623942] ACPI: PCI Interrupt
0000:03:00.0[A] -> GSI 17 (level, low) -> IRQ 21
Apr 12 12:34:29 thinkpad kernel: [ 729.824201] Registered led device:
iwl-phy1:RX
Apr 12 12:34:29 thinkpad kernel: [ 729.824243] Registered led device:
iwl-phy1:TX
Apr 12 12:36:24 thinkpad syslogd 1.5.0#1ubuntu1: restart.
>> cat /proc/version_signature
Ubuntu 2.6.24-16.30-generic
** Affects: linux-backports-modules-2.6.24 (Ubuntu)
Importance: Undecided
Status: New
--
[iwl4965] Kernel crash after ifconfig wlan0 down
https://bugs.launchpad.net/bugs/216252
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