Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264124AbTFDVea (ORCPT ); Wed, 4 Jun 2003 17:34:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264145AbTFDVea (ORCPT ); Wed, 4 Jun 2003 17:34:30 -0400 Received: from pao-ex01.pao.digeo.com ([12.47.58.20]:24411 "EHLO pao-ex01.pao.digeo.com") by vger.kernel.org with ESMTP id S264124AbTFDVe3 (ORCPT ); Wed, 4 Jun 2003 17:34:29 -0400 Message-ID: <3EDE68F8.7DF2D0AC@digeo.com> Date: Wed, 04 Jun 2003 14:47:36 -0700 From: Andrew Morton X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.5.70-mm3 i686) X-Accept-Language: en MIME-Version: 1.0 To: "Martin J. Bligh" CC: linux-kernel Subject: Re: mm3 hang References: <1274420000.1054758735@flay> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 04 Jun 2003 21:47:59.0651 (UTC) FILETIME=[F74D2730:01C32AE2] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 627 Lines: 17 "Martin J. Bligh" wrote: > > SDET hangs it every few runs. > You have a large number of `ps' instances which appear to be stuck on /proc's i_sem and lots of processes stuck in sched_balance_exec->set_cpus_allowed->wait_for_completion. The latter is a NUMA-special. You might want to examine the sched_best_cpu() fixes carefully. Also see whether 2.5.70+bk does the same thing. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/