Same bug here on my Dell Inspiron 9400
Aug 7 12:42:14 localhost kernel: [ 8529.828000] ipw3945: Error sending
LEDS_CMD: time out after 500ms.
Aug 7 12:42:15 localhost kernel: [ 8530.328000] ipw3945: Error sending cmd #07
to daemon: time out after 500ms.
Aug 7 12:42:15 localhost kernel: [ 8530.828000] ipw3945: Error sending
LEDS_CMD: time out after 500ms.
Aug 7 12:42:16 localhost kernel: [ 8531.640000] ipw3945: Error sending
SCAN_ABORT_CMD: time out after 500ms.
Aug 7 12:42:17 localhost kernel: [ 8532.140000] ipw3945: Error sending cmd #08
to daemon: time out after 500ms.
Aug 7 12:42:17 localhost kernel: [ 8532.640000] ipw3945: Error sending
ADD_STA: time out after 500ms.
Aug 7 12:42:18 localhost kernel: [ 8533.140000] ipw3945: Error sending
SCAN_ABORT_CMD: time out after 500ms.
Aug 7 12:42:18 localhost kernel: [ 8533.140000] ------------[ cut here
]------------
Aug 7 12:42:18 localhost kernel: [ 8533.140000] kernel BUG at
kernel/workqueue.c:323!
Aug 7 12:42:18 localhost kernel: [ 8533.140000] invalid opcode: 0000 [#1]
Aug 7 12:42:18 localhost kernel: [ 8533.140000] SMP
Aug 7 12:42:18 localhost kernel: [ 8533.140000] Modules linked in: michael_mic
arc4 ecb blkcipher ieee80211_crypt_tkip aes ieee80211_crypt_ccmp binfmt_misc
rfcomm l2cap bluetooth nfs ipv6 vmnet(P) nfsd vmmon(P) exportfs lockd sunrpc
ppdev pcc_acpi sony_acpi tc1100_wmi dev_acpi dock sbs i2c_ec button asus_acpi
acpi_cpufreq ac video backlight cpufreq_conservative cpufreq_stats container
cpufreq_ondemand freq_table cpufreq_powersave battery cpufreq_userspace
nls_utf8 ntfs ext2 kqemu kvm_intel kvm sbp2 parport_pc lp parport fuse
snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy
snd_seq_oss snd_seq_midi snd_rawmidi joydev snd_seq_midi_event snd_seq
af_packet ipw3945 snd_timer snd_seq_device nvidia(P) ieee80211 ieee80211_crypt
snd soundcore i2c_core serio_raw pcspkr snd_page_alloc sdhci mmc_core psmouse
iTCO_wdt iTCO_vendor_support intel_agp agpgart shpchp pci_hotplug tsdev evdev
ext3 jbd mbcache usb_storage libusual sg sr_mod cdrom sd_mod generic
ata_generic ata_piix libata scsi_mod ohci1394
Aug 7 12:42:18 localhost kernel: eee1394 b44 mii ehci_hcd uhci_hcd usbcore
thermal processor fan fbcon tileblit font bitblit softcursor vesafb capability
commoncap
Aug 7 12:42:18 localhost kernel: [ 8533.140000] CPU: 0
Aug 7 12:42:18 localhost kernel: [ 8533.140000] EIP:
0060:[run_workqueue+238/320] Tainted: P VLI
Aug 7 12:42:18 localhost kernel: [ 8533.140000] EFLAGS: 00010296
(2.6.20-16-generic #2)
Aug 7 12:42:18 localhost kernel: [ 8533.140000] EIP is at
run_workqueue+0xee/0x140
Aug 7 12:42:18 localhost kernel: [ 8533.140000] eax: 00013bac ebx: f7ca7acc
ecx: 00000246 edx: 00000000
Aug 7 12:42:18 localhost kernel: [ 8533.140000] esi: f7ca7ac0 edi: f7ca7ac8
ebp: 00000246 esp: f79d5f58
Aug 7 12:42:18 localhost kernel: [ 8533.140000] ds: 007b es: 007b ss: 0068
Aug 7 12:42:18 localhost kernel: [ 8533.140000] Process ipw3945/0 (pid: 3788,
ti=f79d4000 task=dfa1e560 task.ti=f79d4000)
Aug 7 12:42:18 localhost kernel: [ 8533.140000] Stack: 00000000 f79d007b
f7ca007b f79d00d8 f7ca7acb f7ca7ae0 00000001 f7ca7ac0
Aug 7 12:42:18 localhost kernel: [ 8533.140000] f7ca7acc f7ca7ad4
f79d5f9c c0137d97 00000001 00000000 c200c840 00010000
Aug 7 12:42:18 localhost kernel: [ 8533.140000] 00000000 00000000
dfa1e560 c0120b40 00100100 00200200 ffffffff ffffffff
Aug 7 12:42:18 localhost kernel: [ 8533.140000] Call Trace:
Aug 7 12:42:18 localhost kernel: [ 8533.140000] [worker_thread+327/368]
worker_thread+0x147/0x170
Aug 7 12:42:18 localhost kernel: [ 8533.140000] [default_wake_function+0/16]
default_wake_function+0x0/0x10
Aug 7 12:42:18 localhost kernel: [ 8533.140000] [worker_thread+0/368]
worker_thread+0x0/0x170
Aug 7 12:42:18 localhost kernel: [ 8533.140000] [kthread+186/240]
kthread+0xba/0xf0
Aug 7 12:42:18 localhost kernel: [ 8533.140000]
[keventd_create_kthread+110/112] keventd_create_kthread+0x6e/0x70
Aug 7 12:42:18 localhost kernel: [ 8533.140000] [kernel_thread_helper+7/16]
kernel_thread_helper+0x7/0x10
Aug 7 12:42:18 localhost kernel: [ 8533.140000] =======================
Aug 7 12:42:18 localhost kernel: [ 8533.140000] Code: 24 00 00 00 00 e8 f3 72
fe ff 8b 44 24 10 3b 46 0c 0f 85 78 ff ff ff 83 6e 34 01 89 ea 83 c4 1c 89 f0
5b 5e 5f 5d e9 f2 75 1b 00 <0f> 0b eb fe 65 a1 08 00 00 00 8b 90 a4 00 00 00 05
94 01 00 00
Aug 7 12:42:18 localhost kernel: [ 8533.140000] EIP: [run_workqueue+238/320]
run_workqueue+0xee/0x140 SS:ESP 0068:f79d5f58
** Changed in: linux-source-2.6.20 (Ubuntu)
Status: New => Confirmed
--
kernel BUG at kernel/workqueue.c:323!
https://bugs.launchpad.net/bugs/112148
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