[wish-info] Unable to handle kernel NULL pointer dereference

Scott Hiles

2005-06-03 00:31:47 UTC

I haven't seen this problem or heard of it to date. The only things that I
can come up with are that the driver is losing the communication link with
the PowerLinc. On my system if I yank the PowerLinc out of the USB port,
plusbd doesn't die, can be killed, but continues to think it is able to
communicate. This is on a standard distribution kernel 2.6.11.

So, I currently don't have an answer for what is happening at the moment.

Scott

-----Original Message-----
Shaun Feakes
Sent: Thursday, June 02, 2005 11:06 AM
Subject: [wish-info] Unable to handle kernel NULL pointer dereference
I have been fighting with Kernel & dependancy issues for over
a year now, not the fault of wish, just my install, I have
got very close now, think I just have one small problem to fix.
The box I want to use for wish, has to run a 2.6 kernel
(other dependancy's). The problem is a kernel & motherboard
issue means I can't run any kernal greater then 2.6.3 (yet),
but wish wants 2.6.7.
I have played with wish on and off for about 1 year on other
boxes 2.4 &
2.6 kernels, and all has worked perfectly. Out of pure
frustration, from multiple faild kernel's tries greater than
2.6.7, I compiled x10dev2.1.2 against my current Mandrake
kernel 2.6.3-4mdk, and all seemed to work perfectly.
But after aproximatly 12 hours of running, plusbd fails. It
has happened to me twice in exactly the same way, encluded
below is my log. I have now turned on debugging in the hops
to catch some more info, but have to wait for it to fail again.
Does anyone have any ideas on what is causing this?
Thanks,
Shaun
----------------message log-----------------
Jun 2 07:00:34 tiger kernel: Unable to handle kernel NULL
pointer dereference at virtual address 00000008 Jun 2
Jun 2 07:00:34 tiger kernel: d0b5c159
Jun 2 07:00:34 tiger kernel: *pde = 00000000 Jun 2 07:00:34
tiger kernel: Oops: 0000 [#1]
Jun 2 07:00:34 tiger kernel: CPU: 0
0060:[__crc_device_del+1471243/5359790] Tainted: GF VLI
Jun 2 07:00:34 tiger kernel: EIP: 0060:[<d0b5c159>]
Tainted: GF VLI
Jun 2 07:00:34 tiger kernel: EFLAGS: 00010202 Jun 2
07:00:34 tiger kernel: EIP is at 0xd0b5c159
00000005 edx: 00000000
c1b6ff1c esp: c1b6ff14
Jun 2 07:00:34 tiger kernel: ds: 007b es: 007b ss: 0068
Jun 2 07:00:34 tiger kernel: Process plusbd (pid: 26560,
threadinfo=c1b6e000 task=c1a2b960) Jun 2 07:00:34 tiger
kernel: Stack: c1b6ff48 00000000 c1b6ff38 d0b5d815
00000005 0000000f 00000064 00000001
Jun 2 07:00:34 tiger kernel: c1b6ff48 c1b6ff74
d0b5d3a7 c1b6ff48
ccebb000 00000002 00000005 0000000f
Jun 2 07:00:34 tiger kernel: 00000002 00000064
c1b6ff90 c012a1cf
00000001 00000000 cb502860 cb502880
Jun 2 07:00:34 tiger kernel: [__crc_device_del+1477063/5359790]
0xd0b5d815
Jun 2 07:00:34 tiger kernel: [<d0b5d815>] 0xd0b5d815 Jun 2
07:00:34 tiger kernel: [__crc_device_del+1475929/5359790]
0xd0b5d3a7
Jun 2 07:00:34 tiger kernel: [<d0b5d3a7>] 0xd0b5d3a7 Jun 2
07:00:34 tiger kernel: [schedule_timeout+95/176]
[<c012a1cf>] schedule_timeout+0x5f/0xb0 Jun 2 07:00:34 tiger
kernel: [vfs_write+142/224] vfs_write+0x8e/0xe0 Jun 2
07:00:34 tiger kernel: [<c0153cde>] vfs_write+0x8e/0xe0 Jun
2 07:00:34 tiger kernel: [sys_write+46/80]
[<c0153dae>] sys_write+0x2e/0x50 Jun 2 07:00:35 tiger
kernel: [syscall_call+7/11] syscall_call+0x7/0xb Jun 2
07:00:35 tiger kernel: [<c010b007>] syscall_call+0x7/0xb Jun
Jun 2 07:00:35 tiger kernel: Code: 88 d9 89 c2 66 c7 05 82
12 b6 d0 01 00 d3 e2 66 09 94 36 60 12 b6 d0 89 f1 d3 e0 66
09 05 80 12 b6 d0 8b 15 3c 0d b6 d0 8d 42 08 <39> 42 08 74 22
8b 0d 20 0d b6 d0 85 c9 75 1f 8d
65 f8 8d 42 08
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