From: Dave Chinner <david@fromorbit.com>
To: Sean Noonan <Sean.Noonan@twosigma.com>
Cc: "'linux-xfs@oss.sgi.com'" <linux-xfs@oss.sgi.com>,
Martin Bligh <Martin.Bligh@twosigma.com>,
Trammell Hudson <Trammell.Hudson@twosigma.com>
Subject: Re: XFS memory allocation deadlock in 2.6.38
Date: Wed, 23 Mar 2011 10:25:04 +1100 [thread overview]
Message-ID: <20110322232504.GC15270@dastard> (raw)
In-Reply-To: <081DDE43F61F3D43929A181B477DCA95639B52E8@MSXAOA6.twosigma.com>
On Fri, Mar 18, 2011 at 11:46:04AM -0400, Sean Noonan wrote:
> Using the attached program, we are able to reproduce this bug reliably.
> $ make vmtest
> $ ./vmtest /xfs/hugefile.dat $(( 16 * 1024 * 1024 * 1024 )) # vmtest <path_to_file> <size_in_bytes>
> /xfs/hugefile.dat: mapped 17179869184 bytes in 33822066943 ticks
> 749660: avg 13339 max 234667 ticks
> 371945: avg 26885 max 281616 ticks
> ---
> At this point, we see the following on the console:
> [593492.694806] XFS: possible memory allocation deadlock in kmem_alloc (mode:0x250)
> [593506.724367] XFS: possible memory allocation deadlock in kmem_alloc (mode:0x250)
> [593524.837717] XFS: possible memory allocation deadlock in kmem_alloc (mode:0x250)
> [593556.742386] XFS: possible memory allocation deadlock in kmem_alloc (mode:0x250)
What is the configuration of the machine you are testing on? I can't
reproduce this on a current 2.6.39-tot tree on a 2p/2GB RAM VM that
has it's blockdev images on a single SATA drive....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2011-03-22 23:22 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-18 15:46 XFS memory allocation deadlock in 2.6.38 Sean Noonan
2011-03-22 10:00 ` Christoph Hellwig
2011-03-22 13:53 ` Sean Noonan
2011-03-22 23:25 ` Dave Chinner [this message]
2011-03-23 21:33 ` Sean Noonan
2011-03-23 22:03 ` Dave Chinner
2011-03-23 22:33 ` Sean Noonan
-- strict thread matches above, loose matches on Subject: below --
2011-03-21 16:19 Sean Noonan
2011-03-23 19:39 ` Sean Noonan
2011-03-23 19:39 ` Sean Noonan
2011-03-24 17:43 ` Christoph Hellwig
2011-03-24 17:43 ` Christoph Hellwig
2011-03-24 17:43 ` Christoph Hellwig
2011-03-24 23:45 ` Michel Lespinasse
2011-03-24 23:45 ` Michel Lespinasse
2011-03-24 23:45 ` Michel Lespinasse
2011-03-28 14:58 ` Sean Noonan
2011-03-28 14:58 ` Sean Noonan
2011-03-28 14:58 ` Sean Noonan
2011-03-28 21:06 ` Michel Lespinasse
2011-03-28 21:06 ` Michel Lespinasse
2011-03-28 21:06 ` Michel Lespinasse
2011-03-28 21:34 ` Sean Noonan
2011-03-28 21:34 ` Sean Noonan
2011-03-28 21:34 ` Sean Noonan
2011-03-29 0:25 ` Michel Lespinasse
2011-03-29 0:25 ` Michel Lespinasse
2011-03-29 0:25 ` Michel Lespinasse
2011-03-29 1:51 ` Dave Chinner
2011-03-29 1:51 ` Dave Chinner
2011-03-29 1:51 ` Dave Chinner
2011-03-29 2:49 ` Sean Noonan
2011-03-29 2:49 ` Sean Noonan
2011-03-29 2:49 ` Sean Noonan
2011-03-29 19:05 ` Sean Noonan
2011-03-29 19:05 ` Sean Noonan
2011-03-29 19:05 ` Sean Noonan
2011-03-29 19:24 ` 'Christoph Hellwig'
2011-03-29 19:24 ` 'Christoph Hellwig'
2011-03-29 19:24 ` 'Christoph Hellwig'
2011-03-29 19:39 ` Johannes Weiner
2011-03-29 19:39 ` Johannes Weiner
2011-03-29 19:39 ` Johannes Weiner
2011-03-29 19:43 ` 'Christoph Hellwig'
2011-03-29 19:43 ` 'Christoph Hellwig'
2011-03-29 19:43 ` 'Christoph Hellwig'
2011-03-29 19:46 ` Sean Noonan
2011-03-29 19:46 ` Sean Noonan
2011-03-29 19:46 ` Sean Noonan
2011-03-29 20:02 ` 'Christoph Hellwig'
2011-03-29 20:02 ` 'Christoph Hellwig'
2011-03-29 20:02 ` 'Christoph Hellwig'
2011-03-29 20:23 ` Sean Noonan
2011-03-29 20:23 ` Sean Noonan
2011-03-29 20:23 ` Sean Noonan
2011-03-29 22:42 ` Dave Chinner
2011-03-29 22:42 ` Dave Chinner
2011-03-29 22:42 ` Dave Chinner
2011-03-29 22:45 ` Sean Noonan
2011-03-29 22:45 ` Sean Noonan
2011-03-29 22:45 ` Sean Noonan
2011-03-30 9:23 ` 'Christoph Hellwig'
2011-03-30 9:23 ` 'Christoph Hellwig'
2011-03-30 9:23 ` 'Christoph Hellwig'
2011-03-29 19:54 ` Sean Noonan
2011-03-29 19:54 ` Sean Noonan
2011-03-29 19:54 ` Sean Noonan
2011-03-30 0:09 ` Dave Chinner
2011-03-30 0:09 ` Dave Chinner
2011-03-30 0:09 ` Dave Chinner
2011-03-30 1:32 ` Sean Noonan
2011-03-30 1:32 ` Sean Noonan
2011-03-30 1:32 ` Sean Noonan
2011-03-30 1:44 ` Dave Chinner
2011-03-30 1:44 ` Dave Chinner
2011-03-30 1:44 ` Dave Chinner
2011-03-30 1:52 ` Sean Noonan
2011-03-30 1:52 ` Sean Noonan
2011-03-30 1:52 ` Sean Noonan
2011-03-30 9:30 ` 'Christoph Hellwig'
2011-03-30 9:30 ` 'Christoph Hellwig'
2011-03-30 9:30 ` 'Christoph Hellwig'
2011-03-27 18:11 ` Maciej Rutecki
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