[OOPS] in Process kthread

[Biker]

Hello list,
I get the oops below on my Thinkpad after leaving it on for a day or two. I 
haven't found a way to trigger it yet: after the OOPS the machine still 
works, but it usually locks up during shutdown. The kernel is not tainted and 
the only non-vanilla driver I'm using is the ipw2100 for the wireless 
card .I've tested the RAM with memtest86+ and everything seems to be ok. This 
has happened since at least 2.6.15.

Please CC: me on all replies, I'm not subscribed to the list.
Let me know if you need any other info and what I can do to track down the 
problem. Kernel config is compressed and attached.

Thanks for your attention,
Silla Rizzoli


BUG: unable to handle kernel NULL pointer dereference at virtual address 
00000000
 printing eip:
c01012e4
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: vfat fat sd_mod usb_storage scsi_mod michael_mic arc4 
ieee80211_crypt_tkip ipw2100 ieee80211 ieee80211_crypt bridge llc isofs 
ide_cd cdrom cifs radeon drm pcmcia firmware_class cpufreq_ondemand 
cpufreq_powersave cpufreq_performance rfcomm l2cap snd_pcm_oss snd_mixer_oss 
snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_intel8x0 
snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd soundcore snd_page_alloc 
tcp_westwood rtc usbhid hci_usb bluetooth usbserial af_packet tun ppp_generic 
slhc intel_agp agpgart speedstep_centrino freq_table uhci_hcd ehci_hcd 
usbcore nvram evdev psmouse ipv6 fan button thermal processor battery ac 
yenta_socket rsrc_nonstatic pcmcia_core e1000 unix
CPU:    0
EIP:    0060:[<c01012e4>]    Not tainted VLI
EFLAGS: 00010283   (2.6.17.6 #1)
EIP is at kernel_thread+0x1/0x72
eax: 00000000   ebx: ef41fd74   ecx: c16fb750   edx: c16fb749
esi: eff32000   edi: ef41fda0   ebp: ef41fd70   esp: eff33f20
ds: 007b   es: 007b   ss: 0068
Process kthread (pid: 5, threadinfo=eff32000 task=eff07570)
Stack: c0124707 c012464d ef41fda0 00000611 ef41fd74 eff32000 c16fb740 c0121cf0
       ef41fda0 ef41fda0 c01246f0 00000296 eff32000 eff33f70 c16fb740 c16fb740
       c0121e40 c16fb740 ffffffff ffffffff 00000001 00000000 c0111b84 00010000
Call Trace:
 <c0124707> keventd_create_kthread+0x17/0x5e  <c012464d> kthread+0x0/0xa3
 <c0121cf0> run_workqueue+0x9c/0xf3  <c01246f0> 
keventd_create_kthread+0x0/0x5e
 <c0121e40> worker_thread+0xf9/0x12b  <c0111b84> 
default_wake_function+0x0/0x12
 <c0111b84> default_wake_function+0x0/0x12  <c0121d47> worker_thread+0x0/0x12b
 <c01246c6> kthread+0x79/0xa3  <c012464d> kthread+0x0/0xa3
 <c01012dd> kernel_thread_helper+0x5/0xb
Code: 50 52 51 68 95 9e 2f c0 e8 12 42 01 00 8d 43 34 50 6a 00 e8 0f 1d 00 00 
83 c4 1c 5b 5e c3 90 89 d0 52 ff d3 00 00 a1 ff 53 4d 42 <32> 00 00 00 00 a1 
ff 53 4d 42 32 00 00 00 00 80 41 c0 00 00 00
EIP: [<c01012e4>] kernel_thread+0x1/0x72 SS:ESP 0068:eff33f20


# lsmod
Module                  Size  Used by
vfat                    9216  0
fat                    40028  1 vfat
sd_mod                 13136  0
usb_storage            51392  0
scsi_mod               74440  2 sd_mod,usb_storage
michael_mic             2112  2
arc4                    1664  2
ieee80211_crypt_tkip     8768  2
ipw2100                72240  0
ieee80211              26504  1 ipw2100
ieee80211_crypt         4672  2 ieee80211_crypt_tkip,ieee80211
bridge                 41752  0
llc                     5140  1 bridge
isofs                  20740  1
ide_cd                 32324  1
cdrom                  32736  1 ide_cd
cifs                  181012  1
radeon                 97504  2
drm                    54100  3 radeon
pcmcia                 27556  2
firmware_class          7104  2 ipw2100,pcmcia
cpufreq_ondemand        4896  0
cpufreq_powersave       1408  0
cpufreq_performance     1600  1
rfcomm                 29208  10
l2cap                  17412  5 rfcomm
snd_pcm_oss            33632  0
snd_mixer_oss          14080  1 snd_pcm_oss
snd_seq_oss            26560  0
snd_seq_midi_event      5504  1 snd_seq_oss
snd_seq                41296  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          5772  2 snd_seq_oss,snd_seq
snd_intel8x0           25884  1
snd_ac97_codec         79200  1 snd_intel8x0
snd_ac97_bus            1792  1 snd_ac97_codec
snd_pcm                67784  3 snd_pcm_oss,snd_intel8x0,snd_ac97_codec
snd_timer              17860  2 snd_seq,snd_pcm
snd                    40100  11 
snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_seq_device,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
soundcore               6816  1 snd
snd_page_alloc          6984  2 snd_intel8x0,snd_pcm
tcp_westwood            2368  7
rtc                     6548  0
usbhid                 26564  0
hci_usb                12244  6
bluetooth              35620  15 rfcomm,l2cap,hci_usb
usbserial              24552  0
af_packet              14664  4
tun                     7552  0
ppp_generic            18004  0
slhc                    5376  1 ppp_generic
intel_agp              17948  1
agpgart                25392  2 drm,intel_agp
speedstep_centrino      5776  1
freq_table              3268  1 speedstep_centrino
uhci_hcd               18124  0
ehci_hcd               24200  0
usbcore                99456  7 
usb_storage,usbhid,hci_usb,usbserial,uhci_hcd,ehci_hcd
nvram                   6664  0
evdev                   7296  2
psmouse                31880  0
ipv6                  201376  12
fan                     4548  0
button                  6800  0
thermal                17416  0
processor              31808  2 speedstep_centrino,thermal
battery                10884  0
ac                      5060  0
yenta_socket           20940  2
rsrc_nonstatic          9664  1 yenta_socket
pcmcia_core            31632  3 pcmcia,yenta_socket,rsrc_nonstatic
e1000                  97208  0
unix                   19824  610


# uname -a
Linux skie 2.6.17.6 #1 PREEMPT Sat Jul 22 12:27:33 CEST 2006 i686 Intel(R) 
Pentium(R) M processor 1500MHz GNU/Linux


# lspci
00:00.0 Host bridge: Intel Corporation 82855PM Processor to I/O Controller 
(rev 03)
00:01.0 PCI bridge: Intel Corporation 82855PM Processor to AGP Controller (rev 
03)
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) 
USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) 
USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) 
USB UHCI Controller #3 (rev 01)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI 
Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 81)
00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge 
(rev 01)
00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE Controller (rev 
01)
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus 
Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM 
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 
Modem Controller (rev 01)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon R250 Lf [FireGL 
9000] (rev 02)
02:00.0 CardBus bridge: Texas Instruments PCI4520 PC card Cardbus Controller 
(rev 01)
02:00.2 FireWire (IEEE 1394): Texas Instruments Unknown device 802a (rev 01)
02:01.0 Ethernet controller: Intel Corporation 82540EP Gigabit Ethernet 
Controller (Mobile) (rev 03)
02:02.0 Network controller: Intel Corporation PRO/Wireless LAN 2100 3B Mini 
PCI Adapter (rev 04)

Attachment: config.gz
Description: GNU Zip compressed data