From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751416AbWFJI4B (ORCPT ); Sat, 10 Jun 2006 04:56:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751418AbWFJI4B (ORCPT ); Sat, 10 Jun 2006 04:56:01 -0400 Received: from smtprelay01.ispgateway.de ([80.67.18.13]:24269 "EHLO smtprelay01.ispgateway.de") by vger.kernel.org with ESMTP id S1751416AbWFJI4A (ORCPT ); Sat, 10 Jun 2006 04:56:00 -0400 From: Ingo Oeser To: Hui Zhou Subject: Re: Frustrating Random Reboots, seeking suggestions Date: Sat, 10 Jun 2006 10:52:03 +0200 User-Agent: KMail/1.9.3 Cc: linux-kernel@vger.kernel.org References: <20060609145757.GB1640@smtp.comcast.net> <20060610023719.GA10857@smtp.comcast.net> In-Reply-To: <20060610023719.GA10857@smtp.comcast.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200606101052.05212.ioe-lkml@rameria.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Hui Zhou, On Saturday, 10. June 2006 04:37, Hui Zhou wrote: > Thanks. memtest86 passes 6 times without errors. Serial console didn't > show up anything (it just reboots). > > Anyway, I finally suspect the debian libmpeg binary is at fault. I > manually build it from src and statically linked to the `bkmark' > program. It seems cured the random reboots problem. It runs > successfully for 4 times. However, the fifth time it ended up in a `D' > state. The only system call it uses is libc file IO and some signal > passing. Any comment on the cause? Do you also see the problem if you decode from file to memory only. without any display? NO: You have some problem with your peripherals. YES: Check for heat and power problems. If you are brave you could try some cpuburn variant to put the heat to the maximum. WARNING: This could kill your CPU and might void your warranty, since this is not "normal use" of your CPU :-) Good luck! Regards Ingo Oeser