linux-kernel - Re: 2.6.39 - crash when plugging in a usb memory stick

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Message-Id: <201105290907.01914.chris2553@googlemail.com>
Date:	Sun, 29 May 2011 09:07:01 +0100
From:	Chris Clayton <chris2553@...glemail.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	peter@...sgard.dk
Subject: Re: 2.6.39 - crash when plugging in a usb memory stick

Hi again,

On Friday 27 May 2011 09:09:00 Chris Clayton wrote:
> Hi,
>
> I've just had the following crash after plugging in a usb memory stick.
> Some diagnostic output may be missing because it was scrolled off screen by
> a subsequent oops, which I have assumed was induced by this crash and not,
> therefore, copied down. Also, I skipped writing down the modules linked
> because it's a long list, but there are no out-of-tree modules of any kind
> and the kernel was not tainted (until after this crash).

Peter Alfredsen seems to be experiencing exactly the same crash. At least
the call trace appears identical.
http://marc.info/?l=linux-kernel&m=130662291207794&w=4

>
> last sysfs file: /sys/devices/virtual/bdi/8:32/uevent
> Modules linked in  ...
> PID: 3, comm: ksoftirqd/0 Not tainted 2.6.39 #1 Gigabyte Techmology Co.,
> Ltd  EG41MF-US2H/EG41MF-US2H EIP is at 0x0
> EAX: f4500e20 EBX:f4500e20 ECX:ebc88c60 EDX: 00000000
> ESI: f4500e20 EDI: c9c9fc00 EBP: ebc2d420 ESP: f4c4be80
> DS: 007b ES: 007b FS: 00d8 GS:0000 SS: 0068
> Process ksoftirqd/0 (pid 3, ti=f4c4a000 task=f4c44720 task.ti=f4c4a000)
> Stack:
>  c114d4ec f4500e20 c9c9fc00 ebc2d420 00000000 f4500e20 c9c9fc00 c120abce
>  c141e188 c120a944 e2d13d9c fffffffb c102582f c6258840 f4500e20 00000296
>  c9c9fc00 e6c2d420 c114ada8 ebc2d400 f4c4beec c12094de cb2580c0 00000246
> Call trace:
> c114d4ec blk_peek_request+oxfc/0x150
> c120abce scsi_request_fn+ox30e.0x370
> c120a944 scsi_request_fn+0x84/0x370
> c102582f complete+0x3f/-x60
> c114ada8 blk_run_queue+0x28/0x40
> c12094de scsi_run_queue+0xae/0x230
> c120aef0 scsi_next_command+0x30/0x50
> c120b0a0 scsi_io_completion+0x150/0x590
> c1151722 blk_done_softirq+0x52/0x60
> c1037f85 __do_soft_irq+0x75/0xf0
> c1075b7f rcu_note_context_switch+0x6f/0x150
> c10380b8 run_softirqd+0xb8/0x1a0
> c1038000 __do_softirq+0xf0/0xf0
> c104b104 kthread+0x74/0x80
> c1048090 kthread_worker_fn+0x170/0x170
> c13623f6 kernel_thread_helper+0x6/0xd
> Code: Bad EIP value
> EIP: [<00000000>] 0x0 SS:ESP 0068:f4c4be80
> CR2: 00000000000000000
>
> I've been using 2.6.39 since the day it was released, plus -rc version
> since rc2 and this is the first crash I have experienced. Consequently,
> recreating the crash might not be possible. Nevertheless, let me know if
> there's any way I can help to fix this.
>
> Chris



-- 
The more I see, the more I know. The more I know, the less I understand. Changing Man - Paul Weller
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