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From: Pierre Ossman <drzeus-list-p3sGCRWkH8CeZLLa646FqQ@public.gmane.org>
To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Oops when loading ac
Date: Tue, 24 Aug 2004 20:19:21 +0200	[thread overview]
Message-ID: <412B86A9.80404@drzeus.cx> (raw)

Somewhere between 2.6.7 + acpi_20040715 and 2.6.8.1 (still present in 
2.6.9-rc1) there appeared a bug that causes the ac module to crash when 
loading. I had no problems with the ac module before this. Any ideas on 
what has been changed and what to do about it?

Rgds
Pierre

 From dmesg:

Unable to handle kernel paging request at virtual address c0452440
 printing eip:
c0233162
*pde = 00488027
*pte = 00452000
Oops: 0002 [#1]
PREEMPT DEBUG_PAGEALLOC
Modules linked in: ac radeon ipv6 xfs
CPU:    0
EIP:    0060:[<c0233162>]    Not tainted VLI
EFLAGS: 00010246   (2.6.9-rc1)
EIP is at acpi_bus_register_driver+0xd4/0x169
eax: c0452440   ebx: e0903b40   ecx: e090336b   edx: ffffffed
esi: dd468000   edi: e0903c80   ebp: c03cec60   esp: dd469f84
ds: 007b   es: 007b   ss: 0068
Process insmod (pid: 573, threadinfo=dd468000 task=dd4909f0)
Stack: c03ceca0 e0905031 e0903b40 c014c54b c0469884 00000001 e0903c80 
4003edfa
       0001120e bffffeec 00000004 40010008 00000000 00000000 dd468000 
c0106b79
       40010008 0002edf2 0807a008 00000000 00000000 bfffcef8 00000080 
0000007b
Call Trace:
 [<e0905031>] init_module+0x31/0x52 [ac]
 [<c014c54b>] sys_init_module+0x1ab/0x370
 [<c0106b79>] sysenter_past_esp+0x52/0x71
Code: 00 00 00 a1 6c 75 3d c0 c7 05 f8 74 3d c0 7c f2 39 c0 c7 05 fc 74 
3d c0 bd 01 00 00 89 1d 6c 75 3d c0 c7 03 68 75 3d c0 89 43 04 <89> 18 
81 3d e8 74 3d c0 3c 4b 24 1d 74 1c 68 e8 74 3d c0 68 bf
 <6>note: insmod[573] exited with preempt_count 1
drivers/acpi/scan.c:445: spin_lock(drivers/acpi/scan.c:c03d74e8) already 
locked by drivers/acpi/scan.c/445



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             reply	other threads:[~2004-08-24 18:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-24 18:19 Pierre Ossman [this message]
     [not found] ` <412B86A9.80404-p3sGCRWkH8CeZLLa646FqQ@public.gmane.org>
2004-08-24 20:22   ` Oops when loading ac Len Brown
2004-08-26  7:09     ` Pierre Ossman

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