Date: Mon, 7 Jan 2008 11:07:54 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
To: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
cc: Andi Kleen <andi@firstfloor.org>, Rik van Riel <riel@redhat.com>,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       Eric Whitney <eric.whitney@hp.com>, Nick Dokos <nicholas.dokos@hp.com>
Subject: Re: [patch 00/19] VM pageout scalability improvements
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On Fri, 4 Jan 2008, Lee Schermerhorn wrote:

> We see this on both NUMA and non-NUMA. x86_64 and ia64.  The basic
> criteria to reproduce is to be able to run thousands [or low 10s of
> thousands] of tasks, continually increasing the number until the system
> just goes into reclaim.  Instead of swapping, the system seems to
> hang--unresponsive from the console, but with "soft lockup" messages
> spitting out every few seconds...

Ditto here.

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