From: Tejun Heo <tj@kernel.org>
To: Sitsofe Wheeler <sitsofe@yahoo.com>
Cc: Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org
Subject: Re: WARNING: at block/genhd.c:1556 disk_clear_events+0xdc/0xf0()
Date: Wed, 6 Apr 2011 14:37:18 -0700 [thread overview]
Message-ID: <20110406213718.GA14139@mtj.dyndns.org> (raw)
In-Reply-To: <20110406212611.GA5131@sucs.org>
On Wed, Apr 06, 2011 at 10:26:11PM +0100, Sitsofe Wheeler wrote:
> On Wed, Apr 06, 2011 at 06:04:23AM -0700, Tejun Heo wrote:
> > I think disk_block_events was a bit too agressive with optimization.
> > Can you please test the following patch and see whether the problem
> > goes away?
>
> With the 2.6.39-rc2 the warning has mysteriously disappeared all by
> itself. Could it be that other parts of the kernel were causing this to
> manifest itself?
The problem would be quite timing dependent. It would be great if you
can prepare a setup where you can reproduce the problem on some
regular basis and make sure that the problem goes away with the patch
applied.
Thanks.
--
tejun
next prev parent reply other threads:[~2011-04-06 21:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-04 21:16 WARNING: at block/genhd.c:1556 disk_clear_events+0xdc/0xf0() Sitsofe Wheeler
2011-04-05 1:51 ` Jens Axboe
2011-04-06 13:04 ` Tejun Heo
2011-04-06 21:26 ` Sitsofe Wheeler
2011-04-06 21:37 ` Tejun Heo [this message]
2011-04-09 9:34 ` Sitsofe Wheeler
2011-04-10 14:59 ` Sitsofe Wheeler
2011-04-13 20:00 ` Tejun Heo
2011-04-15 9:01 ` Tejun Heo
2011-04-15 18:20 ` Tejun Heo
2011-04-15 21:41 ` Sitsofe Wheeler
2011-04-21 17:38 ` Tejun Heo
2011-04-21 18:43 ` Tejun Heo
2011-05-10 16:48 ` Tejun Heo
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