From: Tejun Heo <tj@kernel.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>,
linux-kernel@vger.kernel.org, Jens Axboe <jaxboe@fusionio.com>
Subject: Re: Strange block/scsi/workqueue issue
Date: Wed, 13 Apr 2011 14:18:46 +0900 [thread overview]
Message-ID: <20110413051846.GD24161@mtj.dyndns.org> (raw)
In-Reply-To: <1302641036.2604.40.camel@mulgrave.site>
Hello,
On Tue, Apr 12, 2011 at 03:43:56PM -0500, James Bottomley wrote:
> Heh, you're welcome, but this is for some value of debug. There's still
> something strange going on on your box causing extreme delays in the way
> we do stuff. I took advantage of the delays to explore some races in
> block and SCSI, which is what got fixed .. I've still no idea what the
> actual root cause of the delays is.
A lot of thanks for tracking down all the issues. Something is
definitely strange with Steven's setup tho.
> Now we need to huddle and decide what we're doing in block and SCSI. I
> think Tejun's patch with the moved signal for queue destruction patch
> would probably work as well.
Steven, can you be enticed to try the combination? I'll prep a
combined patch and post it but please beware that I'm currently in a
rather zombish state - sleep deprived, jet lagged and malfunctioning
digestion - so the likelihood of doing something stupid is pretty
high.
Thanks.
--
tejun
next prev parent reply other threads:[~2011-04-13 5:18 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-11 14:56 Strange block/scsi/workqueue issue Steven Whitehouse
2011-04-11 17:18 ` Tejun Heo
2011-04-11 17:29 ` Jens Axboe
2011-04-11 17:52 ` Steven Whitehouse
2011-04-12 0:14 ` Tejun Heo
2011-04-12 8:49 ` Steven Whitehouse
2011-04-12 0:47 ` James Bottomley
2011-04-12 2:51 ` Tejun Heo
2011-04-12 4:49 ` James Bottomley
2011-04-12 5:02 ` James Bottomley
2011-04-12 8:42 ` Steven Whitehouse
2011-04-12 13:42 ` James Bottomley
2011-04-12 14:06 ` Steven Whitehouse
2011-04-12 15:14 ` James Bottomley
2011-04-12 16:04 ` Steven Whitehouse
2011-04-12 16:27 ` James Bottomley
2011-04-12 16:51 ` Steven Whitehouse
2011-04-12 17:41 ` James Bottomley
2011-04-12 18:33 ` Steven Whitehouse
2011-04-12 19:56 ` James Bottomley
2011-04-12 20:30 ` Steven Whitehouse
2011-04-12 20:43 ` James Bottomley
2011-04-13 5:18 ` Tejun Heo [this message]
2011-04-13 6:06 ` Tejun Heo
2011-04-13 9:20 ` Steven Whitehouse
2011-04-13 14:00 ` Steven Whitehouse
2011-04-13 17:01 ` James Bottomley
2011-04-13 19:35 ` Steven Whitehouse
2011-04-13 20:12 ` Jens Axboe
2011-04-13 20:17 ` James Bottomley
2011-04-22 18:01 ` Tejun Heo
2011-04-22 18:06 ` James Bottomley
2011-04-22 18:30 ` Tejun Heo
2011-05-31 6:05 ` Anton V. Boyarshinov
2011-04-22 18:03 ` Tejun Heo
2011-04-12 5:15 ` Tejun Heo
2011-04-12 15:15 ` James Bottomley
2011-04-13 5:11 ` Tejun Heo
2011-04-13 14:15 ` James Bottomley
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