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Re: deadlock with latest xfs

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: deadlock with latest xfs
From: Lachlan McIlroy <lachlan@xxxxxxx>
Date: Fri, 24 Oct 2008 13:08:55 +1000
Cc: xfs-oss <xfs@xxxxxxxxxxx>
In-reply-to: <20081023205727.GA28490@xxxxxxxxxxxxx>
References: <4900412A.2050802@xxxxxxx> <20081023205727.GA28490@xxxxxxxxxxxxx>
Reply-to: lachlan@xxxxxxx
User-agent: Thunderbird (X11/20080914)
Christoph Hellwig wrote:
On Thu, Oct 23, 2008 at 07:17:30PM +1000, Lachlan McIlroy wrote:
another problem with latest xfs

Is this with the 2.6.27-based ptools/cvs tree or with the 2.6.28 based
git tree?  It does looks more like a VM issue than a XFS issue to me.

It's with the 2.6.27-rc8 based ptools tree.  Prior to checking
in these patches:

Can't lock inodes in radix tree preload region
stop using xfs_itobp in xfs_bulkstat
free partially initialized inodes using destroy_inode

I was able to stress a system for about 4 hours before it ran out
of memory.  Now I hit the deadlock within a few minutes.  I need
to roll back to find which patch changed the behaviour.

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