From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268102AbTGLQze (ORCPT ); Sat, 12 Jul 2003 12:55:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268098AbTGLQze (ORCPT ); Sat, 12 Jul 2003 12:55:34 -0400 Received: from [132.216.18.133] ([132.216.18.133]:29195 "EHLO signal.ckut-fake.ca") by vger.kernel.org with ESMTP id S268102AbTGLQza (ORCPT ); Sat, 12 Jul 2003 12:55:30 -0400 Date: Sat, 12 Jul 2003 13:10:03 -0400 From: Marc Heckmann To: linux-kernel@vger.kernel.org Subject: 2.4.21 smp: system lockup Message-ID: <20030712171001.GA18262@nadir.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="FCuugMFkClbJLl1L" Content-Disposition: inline User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --FCuugMFkClbJLl1L Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, I recently experienced a lockup on an SMP 2.4.21 kernel (vanilla). The machine was under very heavy IO at the time. (a full backup was in progress). gzipped Alt+sysrq+t output is attached. I forgot Alt+sysrq+P unfortunatly. iptables was still functional, it still responded to pings, but everything else was locked up. obviously sysrq was still working. I managed to reboot it with sysrq+b over the serial line. the machine has been in production for a while and has run in the past for almost 2 months w/o any problems, so I don't believe it's hardware related. A similar lockup happened once with the redhat 2.4.20-13.9 kernel. I blamed that on all the extra patches present and switched to 2.4.21 hoping that it would alleviate the problem. PS: I'm not an linux-kernel so please CC me directly. -m --FCuugMFkClbJLl1L Content-Type: application/x-gzip Content-Disposition: attachment; filename="loging.txt.gz" Content-Transfer-Encoding: base64 H4sICGk+ED8AA2xvZ2luZy50eHQA7Z1ZjyM5csff61Pkow14DN5Hw1hApZKeFvaie/3ixaCR Z5fcqmMk1fSWP715k5lMpaTq7lJ6PQJmUKmLv/gzGAwGmepPr/uPvxUfik/3T9+KT4fy0N7c FMce3a5tj72231TbzeMX9eFDuf/ae+kvS/OGQ1nr5583TdGVh/t2V9T3m21TvD69PH5RV0/b pt3dbB43h/jRjwXQDyRYUWAkhHkS2teA+osCMeD4p3//j7/++fafb5bldlv8dVfW7Qf99N/+ rQYQlpSJP/1qL3ApBfUXsCQd8Bek5oj7C4p51fzp15vCX9a0DW8sCZD+AkjcduqNX9vf28dD 43A+Fcv1GgllQ1FQQSwtKlI73AN7A/78y1EDqBQ8GIDqqoPxomyCAYCq9sIFp2UbDXBvvPm6 f+oOm91vzeflX/5T6byUdwIZTEIJSYn6mMRZMIWJcMm6KRj/NlnnKEqxxd2KWMUYIkmrAxTq KKdROOOxwQu5vpXPviOL/7KuCICCIN4V6RgXc8iTXLCWEUWWZXRFySVxFwiiktXRYztCQ0+q 13gJIrOoSbxIjeaIlPHLSRWNlqQFiWvLlqHg9rKj4fuwZAQnFyWLF7yKfFJgEb8PS8ma02qr TxmHrJpu+7K/dxp+9GorL2Bq5CfCDtTmriOm1IZlExskip+f5iJMCuMFL8+NCotNjwsJZLwA 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