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Re: CPU stuck for 67s (kernel BUG) + in xfs_trans_committed_bulk while d

To: Jeroen Massar <jeroen@xxxxxxxxx>
Subject: Re: CPU stuck for 67s (kernel BUG) + in xfs_trans_committed_bulk while deleting lots a files (mostly hard-links)
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 7 Sep 2011 07:37:23 -0400
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4E674FD6.8030408@xxxxxxxxx>
References: <4E674FD6.8030408@xxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Wed, Sep 07, 2011 at 01:04:54PM +0200, Jeroen Massar wrote:
> As partially mentioned in the kernel BUG message this is Debian's
> edition of linux-image-2.6.39-2-amd64 and according to the Debian
> changelogs nothing new has been introduced. 3.0.0-3 is available, but as
> kernel.org is down, bit hard to figure out what changes where made
> between those versions and if they can affect this at all...
> 
> Anybody any ideas? :)

You'll want at least commit 1316d4da3f632d5843d5a446203e73067dc40f09

        xfs: unpin stale inodes directly in IOP_COMMITTED

from kernel 3.0.  In addition commit 1d8c95a363bf8cd4d4182dd19c01693b635311c2

        xfs: use a cursor for bulk AIL insertion

from 3.1-rc should help even more with this workload.

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