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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next 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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