From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from p15137414.pureserver.info (matrixvision.de [217.160.213.229]) by ozlabs.org (Postfix) with ESMTP id A7FC5DDDFF for ; Thu, 27 Nov 2008 04:39:10 +1100 (EST) Received: from pandora.intern.matrix-vision.de (g1.matrix-vision.com [217.7.222.190]) by p15137414.pureserver.info (Postfix) with ESMTP id 8C0E442007A for ; Wed, 26 Nov 2008 18:39:06 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by pandora.intern.matrix-vision.de (Postfix) with ESMTP id 7DA6FE3C09 for ; Wed, 26 Nov 2008 20:39:13 +0100 (CET) Received: from hegemone (hegemone.intern.matrix-vision.de [192.168.5.77]) by pandora.intern.matrix-vision.de (Postfix) with ESMTP id 6C1E8E3C09 for ; Wed, 26 Nov 2008 20:39:13 +0100 (CET) Received: from [192.168.65.5] (unknown [192.168.65.5]) by hegemone (Postfix) with ESMTP id 675A551E for ; Wed, 26 Nov 2008 20:35:22 +0100 (CET) Message-ID: <492D89B9.1040708@matrix-vision.de> Date: Wed, 26 Nov 2008 18:39:05 +0100 From: Andre Schwarz MIME-Version: 1.0 To: linuxppc-dev@ozlabs.org Subject: machine check on mpc8343 Content-Type: text/plain; charset=ISO-8859-15 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , All, we're running 2.6.27 on a MPC8343 cpu - nothing special so far. With heavy system load I get a machine check exception on some boards within 1-3 days leading to immediate reset. U-Boot blames "Check Stop" causing the reset - I can also observe the check_stop_out signal of the CPU being asserted. Dumping the kernel's "__log_buf" location within U-Boot shows the kernel log buffer without any error. Is there a reasonable/default way to get more Infos out of the kernel before he dies ? A solution other than "write your own ppc_md.machine_check_exception" is preferred ;-) regards, Andre MATRIX VISION GmbH, Talstraße 16, DE-71570 Oppenweiler - Registergericht: Amtsgericht Stuttgart, HRB 271090 Geschäftsführer: Gerhard Thullner, Werner Armingeon, Uwe Furtner