From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 10 Dec 2002 19:09:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 10 Dec 2002 19:09:21 -0500 Received: from e33.co.us.ibm.com ([32.97.110.131]:5600 "EHLO e33.co.us.ibm.com") by vger.kernel.org with ESMTP id ; Tue, 10 Dec 2002 19:09:00 -0500 Date: Tue, 10 Dec 2002 16:10:21 -0800 From: "Martin J. Bligh" To: =?ISO-8859-1?Q?=22R=FCegg=2C_Peter_H=2E=22?= , "'linux-kernel@vger.kernel.org'" Subject: Re: Complete freeze with 2.4.20 on 4-proc IBM xSeries 350 Message-ID: <11930000.1039565421@flay> In-Reply-To: References: X-Mailer: Mulberry/2.1.2 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > I'm experiencing serious problems with Kernel 2.4.20 on a IBM xSeries 350 > machine, having 4 700 MHz processors and 4 GB RAM (same on another machine > with the same configuration, but only 3 GB RAM). The machine just com- > pletely freezes after some time, ranging from 20 minutes to 3 hours. It > is running IBM DB/2 with quite some load, the base system is RedHat 7.2 > with all the updates applied. There is no oops or other fault, just a > plain freeze. Can you watch /proc/meminfo and see how low "lowfree" gets? If it gets low (eg below 50Mb), dump /proc/slabinfo as well. M.