Public bug reported:

Binary package hint: linux-source-2.6.20

Ok, heres the relivent trace, let me know if you need anything else.

Dec 17 12:43:45 kjk38-laptop kernel: [   36.636000] ADDRCONF(NETDEV_UP): eth0: 
link is not ready
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] BUG: unable to handle 
kernel NULL pointer dereference at virtual address 00000000
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  printing eip:
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] f8b553b3
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] *pde = 00000000
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] Oops: 0000 [#1]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] Modules linked in: ipv6 
speedstep_centrino cpufreq_userspace cpufreq_stats cpufreq_powersave 
cpufreq_ondemand freq_table cpufreq_conservative video sbs i2c_ec dock button 
battery container ac asus_acpi nls_utf8 ntfs nls_iso8859_1 nls_cp437 vfat fat 
i8k fuse sbp2 parport_pc lp parport ndiswrapper joydev tsdev usb_storage usblp 
pcmcia libusual snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss usbhid 
hid snd_pcm bcm43xx snd_seq_dummy snd_seq_oss ieee80211softmac snd_seq_midi 
snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device nvidia(P) 
serio_raw ieee80211 ieee80211_crypt psmouse yenta_socket rsrc_nonstatic 
pcmcia_core rtc i2c_core pcspkr intel_agp agpgart iTCO_wdt iTCO_vendor_support 
snd soundcore snd_page_alloc shpchp pci_hotplug evdev ext3 jbd mbcache sg 
sr_mod cdrom sd_mod ata_piix ata_generic libata scsi_mod tg3 ohci1394 ieee1394 
generic ehci_hcd uhci_hcd usbcore thermal processor fan fbcon tileblit font 
bitblit softcursor vesafb capability commonca
Dec 17 12:43:45 kjk38-laptop kernel: 
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] CPU:    0
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] EIP:    
0060:[pg0+946910131/1069237248]    Tainted: P      VLI
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] EFLAGS: 00010086   
(2.6.20-2-386 #3)
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] EIP is at 
ieee80211softmac_get_network_by_bssid_locked+0x23/0x60 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] eax: f78149a0   ebx: 
00000206   ecx: f78149a0   edx: 00000000
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] esi: 00000008   edi: 
00000000   ebp: f7814cc4   esp: c20e7ed4
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] ds: 007b   es: 007b   ss: 
0068
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] Process events/0 (pid: 4, 
ti=c20e6000 task=df9c6a70 task.ti=c20e6000)
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] Stack: c20e7eec f7814a2c 
00000206 00000008 00000000 f8b56f50 f8b55789 f78149a0 
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]        f8b56a5e f8b56f50 
f7814a40 000000f8 f8b56d1f f7814c44 f8b5730b 00000000 
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]        00000000 00000000 
00000000 f78149dc f78149a0 00000003 c20de5d8 00000000 
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] Call Trace:
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946917200/1069237248] 
ieee80211softmac_assoc_notify_scan+0x0/0x10 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946911113/1069237248] 
ieee80211softmac_get_network_by_bssid+0x9/0x10 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946915934/1069237248] 
ieee80211softmac_send_disassoc_req+0x3e/0x60 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946917200/1069237248] 
ieee80211softmac_assoc_notify_scan+0x0/0x10 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946916639/1069237248] 
ieee80211softmac_assoc_work+0x29f/0x4d0 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946918155/1069237248] 
ieee80211softmac_call_events_locked+0xeb/0x140 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946917200/1069237248] 
ieee80211softmac_assoc_notify_scan+0x0/0x10 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946918575/1069237248] 
ieee80211softmac_notify_callback+0x2f/0x50 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [pg0+946918528/1069237248] 
ieee80211softmac_notify_callback+0x0/0x50 [ieee80211softmac]
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [run_workqueue+123/288] 
run_workqueue+0x7b/0x120
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [worker_thread+327/368] 
worker_thread+0x147/0x170
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [__wake_up_common+57/96] 
__wake_up_common+0x39/0x60
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  
[default_wake_function+0/16] default_wake_function+0x0/0x10
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [worker_thread+0/368] 
worker_thread+0x0/0x170
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [kthread+168/224] 
kthread+0xa8/0xe0
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  [kthread+0/224] 
kthread+0x0/0xe0
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  
[kernel_thread_helper+7/16] kernel_thread_helper+0x7/0x10
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  =======================
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] Code: 90 8d b4 26 00 00 00 
00 55 57 56 53 83 ec 08 89 54 24 04 8b 90 24 03 00 00 8d a8 24 03 00 00 eb 0a 
8d b4 26 00 00 00 00 8b 14 24 <8b> 02 89 04 24 0f 18 00 90 39 ea 74 1f 8b 7c 24 
04 b8 06 00 00 
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000] EIP: 
[pg0+946910131/1069237248] 
ieee80211softmac_get_network_by_bssid_locked+0x23/0x60 [ieee80211softmac] 
SS:ESP 0068:c20e7ed4
Dec 17 12:43:45 kjk38-laptop kernel: [   36.844000]  <6>Bluetooth: Core ver 2.11

** Affects: linux-source-2.6.20 (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

-- 
ieee softmac causing crash
https://launchpad.net/bugs/76250

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