From: Christophe Saout <christophe@saout.de>
To: device-mapper development <dm-devel@redhat.com>
Cc: linux-kernel@vger.kernel.org, Jens Axboe <axboe@kernel.dk>
Subject: Re: [dm-devel] Block regression since 3.1-rc3
Date: Fri, 30 Sep 2011 20:02:11 +0200 [thread overview]
Message-ID: <1317405732.20365.1.camel@localhost> (raw)
In-Reply-To: <1317397918.27140.15.camel@localhost>
Hello again,
> Today I was trying to boot a new 3.1 RC kernel on one of our server
> machines and ran into a weird block-related crash.
>
> Whenever I was trying to access some filesystem on the external RAID, I
> would soon run into the crash seen below, followed by a total lockup a
> bit later.
>
> The external RAID is accessed via multipath and simple logical volumes
> on top. [...]
>
> The bug seems to be introduced between rc2 and rc3. Up to rc2 everything
> is fine, and rc3 and also the latest kernel shows this bug. From the git
> log I can see that the block/ directory has seen some larger update, but
> this is just a wild guess.
Actually, I just found out that reverting
commit 4853abaae7e4a2af938115ce9071ef8684fb7af4
Author: Jeff Moyer <jmoyer@redhat.com>
Date: Mon Aug 15 21:37:25 2011 +0200
block: fix flush machinery for stacking drivers with differring flush flags
makes the problem disappear.
Let me know if I can help with further information.
Cheers,
Christophe
next prev parent reply other threads:[~2011-09-30 18:02 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-30 15:51 Block regression since 3.1-rc3 Christophe Saout
2011-09-30 15:51 ` Christophe Saout
2011-09-30 18:02 ` Christophe Saout [this message]
2011-10-03 14:43 ` [dm-devel] " Jeff Moyer
2011-10-04 12:02 ` Christophe Saout
2011-10-04 13:32 ` Jeff Moyer
2011-10-04 15:06 ` Christophe Saout
2011-10-06 19:51 ` Jeff Moyer
2011-10-06 22:02 ` Christophe Saout
2011-10-08 11:02 ` Shaohua Li
2011-10-08 12:05 ` Christophe Saout
2011-10-08 12:05 ` Christophe Saout
2011-10-09 4:26 ` Shaohua Li
2011-11-01 4:54 ` illdred
2011-10-08 16:14 ` Mike Snitzer
2011-10-09 4:31 ` Shaohua Li
2011-10-09 7:16 ` Shaohua Li
2011-10-09 7:16 ` Shaohua Li
2011-10-09 8:12 ` Christophe Saout
2011-10-09 13:47 ` Christophe Saout
2011-10-10 21:33 ` Tejun Heo
2011-10-11 19:56 ` Mike Snitzer
2011-10-11 20:52 ` Tejun Heo
2011-10-11 22:07 ` Jeff Moyer
2011-10-09 8:08 ` [dm-devel] " Shaohua Li
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