From: Chris Mason <chris.mason@fusionio.com>
To: Sage Weil <sage@inktank.com>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: hang on 3.9, 3.10-rc5
Date: Tue, 18 Jun 2013 12:36:37 -0400 [thread overview]
Message-ID: <20130618163637.9494.34639@localhost.localdomain> (raw)
In-Reply-To: <alpine.DEB.2.00.1306180855120.27273@cobra.newdream.net>
Quoting Sage Weil (2013-06-18 11:56:37)
> On Wed, 12 Jun 2013, Sage Weil wrote:
> > On Tue, 11 Jun 2013, Chris Mason wrote:
> > > Quoting Sage Weil (2013-06-11 11:43:30)
> > > > I'm also seeing this hang regularly with both 3.9 and 3.10-rc5. Is this
> > > > is a known problem? In this case there is no powercycling; just a regular
> > > > ceph-osd workload.
> > >
> > > Everyone here is waiting for the root node, but it isn't immediately
> > > clear who has the lock. log_one_extent is the most likely suspect, but
> > > I can't see how it would be scheduling with the root lock held.
> > >
> > > Could you please sysrq-w?
> >
> > Sorry for the slow reply; had to wait for it to reproduce again. Attached
> > both the original dmesg output and the blocked tasks. I'll leave the box
> > wedged this time in case there is any other info that can help.
>
> Still seeing this hang with the latest from linus' tree. Is there another
> tree I should try testing against?
No, I don't see anything in -next that should fix this. Trying to
reproduce here...
-chris
next prev parent reply other threads:[~2013-06-18 16:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-11 15:43 hang on 3.9, 3.10-rc5 Sage Weil
2013-06-11 16:21 ` Chris Mason
[not found] ` <alpine.DEB.2.00.1306121317300.27596@cobra.newdream.net>
2013-06-18 15:56 ` Sage Weil
2013-06-18 16:36 ` Chris Mason [this message]
2013-06-18 16:37 ` Josef Bacik
2013-06-18 16:59 ` Chris Mason
2013-06-20 3:44 ` Sage Weil
2013-06-20 21:56 ` Sage Weil
2013-06-21 0:42 ` Chris Mason
2013-06-21 1:00 ` Sage Weil
2013-06-21 1:04 ` Chris Mason
2013-06-21 1:09 ` Sage Weil
2013-08-09 18:04 ` Sage Weil
2013-08-09 18:08 ` Chris Mason
2013-06-18 17:19 ` Jon Nelson
2013-06-21 1:11 ` Chris Mason
2013-06-21 1:46 ` Jon Nelson
2013-06-21 5:40 ` Chris Murphy
2013-06-21 6:42 ` Clemens Eisserer
2013-06-25 15:52 ` Liu Bo
2013-06-21 11:30 ` Chris Mason
2013-06-21 13:14 ` Jon Nelson
2013-06-21 14:54 ` Johannes Hirte
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