From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 7 Jan 2008 11:07:54 -0800 (PST) From: Christoph Lameter Subject: Re: [patch 00/19] VM pageout scalability improvements In-Reply-To: <1199466372.5290.37.camel@localhost> Message-ID: References: <20080102224144.885671949@redhat.com> <1199379128.5295.21.camel@localhost> <20080103120000.1768f220@cuia.boston.redhat.com> <1199380412.5295.29.camel@localhost> <20080103170035.105d22c8@cuia.boston.redhat.com> <1199463934.5290.20.camel@localhost> <1199466372.5290.37.camel@localhost> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Lee Schermerhorn Cc: Andi Kleen , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Eric Whitney , Nick Dokos List-ID: 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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org