Date: Mon, 4 Aug 2003 11:00:40 +0200
From: Jens Axboe <axboe@suse.de>
To: Harald Dunkel <harri@synopsys.COM>
Cc: Oleg Drokin <green@linuxhacker.ru>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.0-test2: crash in reiserfs at shutdown
Message-ID: <20030804090040.GC854@suse.de>
References: <3F2B9823.7010503@Synopsys.COM> <200308030649.h736nbcj013727@car.linuxhacker.ru> <3F2CBD0C.4040603@Synopsys.COM>
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On Sun, Aug 03 2003, Harald Dunkel wrote:
> Oleg Drokin wrote:
> >Hello!
> >
> >Harald Dunkel <harri@synopsys.com> wrote:
> >
> >HD> Final words are
> >HD>         kernel BUG at fs/reiserfs/prints.c: 339
> >
> >There should be one line prior to that.
> >This line explains what went wrong in reiserfs opinion.
> >Can you please say us what was the line?
> >
> It said
> 
> 	unmounting local filesystems... bio too big device sdc1 (8 > 0)
> 	bio too big device sdc1 (8 > 0)
> 	journal - 601, buffer write failed

reiser most likely tried to flush its journal after the device had
disappeared, the queue has been memset it seems. not a reiser problem
per se.

> To me the problem seems that the USB stuff is shutdown
> without unmounting the external USB disk first. Later, at
> the "unmounting all disks" step in the shutdown procedure
> the USB storage device can't be accessed anymore.

Seems about right.

-- 
Jens Axboe

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