From: Alistair John Strachan <alistair@devzero.co.uk>
To: Christoph Hellwig <hch@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Jens Axboe <jens.axboe@oracle.com>,
xfs@oss.sgi.com, Neil Brown <neilb@suse.de>,
Nick Piggin <npiggin@suse.de>,
linux-kernel@vger.kernel.org, dgc@sgi.com
Subject: Re: XFS/md/blkdev warning (was Re: Linux 2.6.26-rc2)
Date: Sun, 18 May 2008 15:12:42 +0100 [thread overview]
Message-ID: <200805181512.42921.alistair@devzero.co.uk> (raw)
In-Reply-To: <20080517233908.GA15279@infradead.org>
On Sunday 18 May 2008 00:39:08 Christoph Hellwig wrote:
> On Sat, May 17, 2008 at 02:17:37PM -0700, Linus Torvalds wrote:
> > > [4294293.003500] [<ffffffff8028106a>] __kmalloc+0x3e/0xe6
> > > [4294293.003500] [<ffffffff803067fc>] ? xfs_iflush_int+0x272/0x2fb
> > > [4294293.003500] [<ffffffff80320552>] kmem_alloc+0x6a/0xd1
> > > [4294293.003500] [<ffffffff80307a9c>] xfs_iflush_cluster+0x4b/0x33f
> > > [4294293.003500] [<ffffffff8030681e>] ? xfs_iflush_int+0x294/0x2fb
> > > [4294293.003500] [<ffffffff80307f4b>] xfs_iflush+0x1bb/0x29d
> > > [4294293.003500] [<ffffffff8031bc30>] xfs_inode_flush+0xb8/0xdd
> > > [4294293.003500] [<ffffffff80328b1f>] xfs_fs_write_inode+0x30/0x4c
> >
> > And as a result, all the XFS stuff is then waiting for that lock which is
> > held by pdflush above:
>
> Btw, just that function has a missing GFP_NOFS and a too large
> allocation which were fixed by Dave Chinner but aren't in mainline
> yet. Can you check whether it still happens with the patch below?
These patches fix the problem. Thanks Christoph.
--
Cheers,
Alistair.
137/1 Warrender Park Road, Edinburgh, UK.
next prev parent reply other threads:[~2008-05-18 14:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-12 14:55 Linux 2.6.26-rc2 Linus Torvalds
2008-05-12 16:26 ` XFS/md/blkdev warning (was Re: Linux 2.6.26-rc2) Alistair John Strachan
2008-05-12 16:40 ` Jens Axboe
2008-05-12 16:47 ` Linus Torvalds
2008-05-12 16:49 ` Jens Axboe
2008-05-13 1:05 ` [PATCH] Remove blkdev warning triggered by using md Neil Brown
2008-05-17 18:22 ` XFS/md/blkdev warning (was Re: Linux 2.6.26-rc2) Alistair John Strachan
2008-05-17 18:37 ` Linus Torvalds
2008-05-17 18:41 ` Linus Torvalds
2008-05-17 20:09 ` Alistair John Strachan
2008-05-17 21:17 ` Linus Torvalds
2008-05-17 23:12 ` Alistair John Strachan
2008-05-17 23:39 ` Christoph Hellwig
2008-05-18 14:12 ` Alistair John Strachan [this message]
2008-05-12 19:32 ` Linux 2.6.26-rc2 Bart Van Assche
2008-05-12 19:55 ` Linus Torvalds
2008-05-12 23:22 ` Kasper Sandberg
2008-05-13 1:49 ` Oops on -rc2-git1, possibly md_raid1 or xfs related. (Was: Re: Linux 2.6.26-rc2) Kasper Sandberg
2008-05-13 1:55 ` Kasper Sandberg
2008-05-13 2:19 ` Neil Brown
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