From: "Bruno Prémont" <bonbons@linux-vserver.org>
To: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Dave Chinner <david@fromorbit.com>,
xfs-masters@oss.sgi.com, xfs@oss.sgi.com,
Christoph Hellwig <hch@infradead.org>,
Alex Elder <aelder@sgi.com>, Dave Chinner <dchinner@redhat.com>,
linux-kernel@vger.kernel.org,
James Bottomley <James.Bottomley@HansenPartnership.com>
Subject: Re: 2.6.39-rc3, 2.6.39-rc4: XFS lockup - regression since 2.6.38
Date: Sat, 30 Apr 2011 16:18:10 +0200 [thread overview]
Message-ID: <20110430161810.6ccd2c99@neptune.home> (raw)
In-Reply-To: <20110429213524.449e003b@neptune.home>
On Fri, 29 April 2011 Bruno Prémont wrote:
> On Fri, 29 April 2011 Markus Trippelsdorf wrote:
> > On 2011.04.29 at 11:19 +1000, Dave Chinner wrote:
> > > OK, so the common elements here appears to be root filesystems
> > > with small log sizes, which means they are tail pushing all the
> > > time metadata operations are in progress. Definitely seems like a
> > > race in the AIL workqueue trigger mechanism. I'll see if I can
> > > reproduce this and cook up a patch to fix it.
> >
> > Hmm, I'm wondering if this issue is somehow related to the hrtimer bug,
> > that Thomas Gleixner fixed yesterday:
> > http://git.us.kernel.org/?p=linux/kernel/git/tip/linux-2.6-tip.git;a=commit;h=ce31332d3c77532d6ea97ddcb475a2b02dd358b4
> > http://thread.gmane.org/gmane.linux.kernel.mm/61909/
> >
> > It also looks similar to the issue that James Bottomley reported
> > earlier: http://thread.gmane.org/gmane.linux.kernel.mm/62185/
>
> I'm going to see, I've applied Thomas' fix on the box seeing XFS freeze (without
> other changes to kernel).
> Going to run that kernel for the week-end and beyond if it survives to see what
> happens.
Happened again (after a few hours of uptime), so it definitely is not
caused by hrtimer bug that Thomas Gleixner fixed.
Bruno
next prev parent reply other threads:[~2011-04-30 14:18 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-23 20:44 2.6.39-rc3, 2.6.39-rc4: XFS lockup - regression since 2.6.38 Bruno Prémont
2011-04-27 5:08 ` Dave Chinner
2011-04-27 16:26 ` Bruno Prémont
2011-04-28 19:45 ` Markus Trippelsdorf
2011-04-29 1:19 ` Dave Chinner
2011-04-29 15:18 ` Markus Trippelsdorf
2011-04-29 19:35 ` Bruno Prémont
2011-04-30 14:18 ` Bruno Prémont [this message]
2011-05-02 6:15 ` Markus Trippelsdorf
2011-05-02 12:40 ` Dave Chinner
2011-05-04 0:57 ` Jamie Heilman
2011-05-04 13:25 ` Dave Chinner
2011-05-05 0:21 ` Dave Chinner
2011-05-05 2:26 ` Dave Chinner
2011-05-05 12:21 ` Dave Chinner
2011-05-05 12:39 ` Christoph Hellwig
2011-05-06 1:49 ` Dave Chinner
2011-05-05 20:35 ` Bruno Prémont
2011-05-09 5:57 ` Bruno Prémont
2011-05-08 5:11 ` Jamie Heilman
2011-05-20 11:20 ` Andrey Rahmatullin
2011-05-21 0:14 ` Dave Chinner
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