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

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Date:	Wed, 3 Oct 2012 18:03:05 -0700
From:	Jonathan McDowell <noodles@...th.li>
To:	Mike Christie <michaelc@...wisc.edu>
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 Tue, Oct 02, 2012 at 10:46:22PM -0500, Mike Christie wrote:
> 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

Perfect, that solves it.

Tested-By: Jonathan McDowell <noodles@...th.li>

J.

-- 
Hats off to the insane.
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