linux-kernel - Re: Soft lockup in scsi_remove_target under 3.6 (regression from 3.5)

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Message-ID: <506BB50E.7090707@cs.wisc.edu>
Date:	Tue, 02 Oct 2012 22:46:22 -0500
From:	Mike Christie <michaelc@...wisc.edu>
To:	Jonathan McDowell <noodles@...th.li>
CC:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Soft lockup in scsi_remove_target under 3.6 (regression from
 3.5)

On 10/02/2012 07:43 PM, Jonathan McDowell wrote:
> Upgraded to 3.6 today on my dev box and after seeing an FC attached SAN
> go down and come back up (due to an expected reboot) I started getting
> the following in my logs. It continues even after the array is back and
> functioning - I'm seeing:
> 
>  kernel:[109104.348034] BUG: soft lockup - CPU#6 stuck for 23s!
> [kworker/6:0:30692]
> 
> repeated on logged in sessions and backtraces like the following (this
> is the first). I don't see the same problem under 3.5.
> 


I think you need this patch
http://marc.info/?l=linux-scsi&m=134621716223056&w=2
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