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Re: 2.6.39-rc4+: oom-killer busy killing tasks

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: 2.6.39-rc4+: oom-killer busy killing tasks
From: Christian Kujau <lists@xxxxxxxxxxxxxxx>
Date: Mon, 25 Apr 2011 00:19:24 -0700 (PDT)
Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <alpine.DEB.2.01.1104242245090.18728@xxxxxxxxxxxxxx>
References: <alpine.DEB.2.01.1104211841510.18728@xxxxxxxxxxxxxx> <20110424234655.GC12436@dastard> <alpine.DEB.2.01.1104242245090.18728@xxxxxxxxxxxxxx>
User-agent: Alpine 2.01 (DEB 1266 2009-07-14)
On Mon, 25 Apr 2011 at 09:46, Dave Chinner wrote:
> I'd say they are not being reclaimmmed because the VFS hasn't let go
> of them yet. Can you also dump /proc/sys/fs/{dentry,inode}-state so
> we can see if the VFS has released the inodes such that they can be
> reclaimed by XFS?

Please see http://nerdbynature.de/bits/2.6.39-rc4/oom/

 - slabinfo-4.txt.bz2, contains /proc/sys/fs/{dentry,inode}-state and
   /proc/fs/xfs/stat (is this interesting at all?) and a few other
   /proc outputs
 - messages-4.txt, contains the syslog from this run.

Should I enable a few more DEBUG_* options in the kernel? Which options 
would be helpful?

Thanks for looking into it,
BOFH excuse #194:

We only support a 1200 bps connection.

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