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Date: Fri, 16 Apr 2004 16:37:03 -0700
From: Andrew Morton <akpm@osdl.org>
To: k.gavrilenko@arhont.com
Cc: mlists@arhont.com, linux-kernel@vger.kernel.org,
       Neil Brown <neilb@cse.unsw.edu.au>
Subject: Re: 2.6.5-mm6 reiserfs and hpt366 problems
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Konstantin Gavrilenko <mlists@arhont.com> wrote:
>
> Apr 16 22:45:06 filo kernel: Debug: sleeping function called from 
> invalid context at drivers/block/ll_rw_blk.c:1156
> Apr 16 22:45:06 filo kernel: in_atomic():0, irqs_disabled():1
> Apr 16 22:45:06 filo kernel: Call Trace:
> Apr 16 22:45:06 filo kernel:  [<c0117449>] __might_sleep+0x99/0xb0
> Apr 16 22:45:06 filo kernel:  [<c02950bf>] generic_unplug_device+0x1f/0x60
> Apr 16 22:45:06 filo kernel:  [<c02d9fc9>] unplug_slaves+0x69/0x70

Ah, I see it.  There are several instances of unplug_slaves().  The one in
raid1.c is incorrectly calling ->unplug_fn() under spin_lock_irq().

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