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Message-Id: <200811161459.59838.elendil@planet.nl>
Date: Sun, 16 Nov 2008 14:59:59 +0100
From: Frans Pop <elendil@...net.nl>
To: Bruno Prémont <bonbons@...ux-vserver.org>
Cc: torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
Kay Sievers <kay.sievers@...y.org>
Subject: Re: Linux 2.6.28-rc5
Bruno Prémont wrote:
> With rc-5 I get the following trace while running acpitool, error which
> did not happen on rc3-git6:
>
> [ 49.311377] Oops: 0000 [#1]
> [ 49.311569] last sysfs file: /sys/module/acpi/parameters/acpica_version
> [ 49.311707] Modules linked in: snd_hda_intel snd_pcm snd_timer snd
> [ soundcore snd_page_alloc sg via_agp agpgart 49.312438]
> [ 49.312552] Pid: 1823, comm: acpitool Not tainted (2.6.28-rc5 #1)
> [ CX700+W697HG 49.312736] EIP: 0060:[<c0292d22>] EFLAGS: 00010286 CPU: 0
> [ 49.312880] EIP is at acpi_system_wakeup_device_seq_show+0x96/0xdc
> [ 49.313019] EAX: 00000000 EBX: f7114400 ECX: f17cf03b EDX: 0000003b
> [ 49.313158] ESI: f7114418 EDI: f7031800 EBP: f3418f18 ESP: f3418f00
> [ 49.313296] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
> [ 49.313431] Process acpitool (pid: 1823, ti=f3418000 task=f71cca20
> [ task.ti=f3418000) 49.313610] Stack:
> [ 49.313718] f703188c f69f46c0 f7119018 f712c600 f69f46c0 00000001
> [ f3418f54 c0181146
> [ 49.314240] 00001fff 095be170 f6928580 f69f46e0 00000000 00000000
> [ 00000000 f69ba9e0
> [ 49.314901] 00000000 00000000 f712c600 c0181090 fffffffb f3418f70
> [ c019bebf f3418f9c 49.315797] Call Trace:
> [ 49.315908] [<c0181146>] ? seq_read+0xb6/0x2d0
> [ 49.316097] [<c0181090>] ? seq_read+0x0/0x2d0
> [ 49.316279] [<c019bebf>] ? proc_reg_read+0x3f/0x60
> [ 49.316468] [<c016c9a0>] ? vfs_read+0x90/0x110
> [ 49.316659] [<c019be80>] ? proc_reg_read+0x0/0x60
> [ 49.316846] [<c016ce8d>] ? sys_read+0x3d/0x70
> [ 49.317034] [<c0103bc1>] ? sysenter_do_call+0x12/0x25
> [ 49.317227] Code: ff b3 8c 01 00 00 8d 46 18 50 68 a2 fb 4b c0 ff 75 ec
> [ e8 e2 dc ee ff 83 c4 18 85 ff 74 1f 8d 87 8c 00 00 00 50 8b 87 b8 00
> [ 00 00 <ff> 30 68 b4 fb 4b c0 ff 75 ec e8 bf dc ee ff 83 c4 10 68 3d 79
> [ 49.320020] EIP: [<c0292d22>]
> [ acpi_system_wakeup_device_seq_show+0x96/0xdc SS:ESP 0068:f3418f00
> [ 49.321475] ---[ end trace 86a9b6669d58e134 ]---
>
>
> [ 49.343939] BUG: unable to handle kernel NULL pointer dereference at
> [ 00000000 49.344244] IP: [<c0292d22>]
> [ acpi_system_wakeup_device_seq_show+0x96/0xdc 49.344478] *pde =
> [ 00000000 49.344665] Oops: 0000 [#2]
> [ 49.344831] last sysfs file: /sys/module/acpi/parameters/acpica_version
> [ 49.344967] Modules linked in: snd_hda_intel snd_pcm snd_timer snd
> [ soundcore snd_page_alloc sg via_agp agpgart 49.345696]
> [ 49.345813] Pid: 1825, comm: acpitool Tainted: G D (2.6.28-rc5
> [ #1) CX700+W697HG 49.346001] EIP: 0060:[<c0292d22>] EFLAGS: 00010286
> [ CPU: 0 49.346144] EIP is at
> [ acpi_system_wakeup_device_seq_show+0x96/0xdc 49.346283] EAX: 00000000
> [ EBX: f7114400 ECX: f17cf03b EDX: 0000003b 49.346422] ESI: f7114418
> [ EDI: f7031800 EBP: f341df18 ESP: f341df00
> [ 49.346560] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
> [ 49.346695] Process acpitool (pid: 1825, ti=f341d000 task=f71cd0e0
> [ task.ti=f341d000) 49.346873] Stack:
> [ 49.346982] f703188c f69f4e40 f7119018 f712c600 f69f4e40 00000001
> [ f341df54 c0181146
> [ 49.347499] 00001fff 084ce170 f6928280 f69f4e60 00000000 00000000
> [ 00000000 f69baa40
> [ 49.348163] 00000000 00000000 f712c600 c0181090 fffffffb f341df70
> [ c019bebf f341df9c 49.349047] Call Trace:
> [ 49.349158] [<c0181146>] ? seq_read+0xb6/0x2d0
> [ 49.349347] [<c0181090>] ? seq_read+0x0/0x2d0
> [ 49.349528] [<c019bebf>] ? proc_reg_read+0x3f/0x60
> [ 49.349718] [<c016c9a0>] ? vfs_read+0x90/0x110
> [ 49.349908] [<c019be80>] ? proc_reg_read+0x0/0x60
> [ 49.350035] [<c016ce8d>] ? sys_read+0x3d/0x70
> [ 49.350035] [<c0103bc1>] ? sysenter_do_call+0x12/0x25
> [ 49.350035] Code: ff b3 8c 01 00 00 8d 46 18 50 68 a2 fb 4b c0 ff 75 ec
> [ e8 e2 dc ee ff 83 c4 18 85 ff 74 1f 8d 87 8c 00 00 00 50 8b 87 b8 00
> [ 00 00 <ff> 30 68 b4 fb 4b c0 ff 75 ec e8 bf dc ee ff 83 c4 10 68 3d 79
> [ 49.350035] EIP: [<c0292d22>]
> [ acpi_system_wakeup_device_seq_show+0x96/0xdc SS:ESP 0068:f341df00
> [ 49.354712] ---[ end trace 86a9b6669d58e134 ]---
>
>
> The following change is guilty on my machine (though I could not find
> the matching commit on git.kernel.org :( )
That would be:
commit 0794469da3f7b2093575cbdfc1108308dd3641ce
Author: Kay Sievers <kay.sievers@...y.org>
Date: Thu Oct 30 01:18:59 2008 +0100
ACPI: struct device - replace bus_id with dev_name(), dev_set_name()
> Reverting the change below makes the error go away.
Cheers,
FJP
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