From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 18 Jul 2003 23:59:31 +0100 (BST) Received: from gateway-1237.mvista.com ([IPv6:::ffff:12.44.186.158]:1775 "EHLO orion.mvista.com") by linux-mips.org with ESMTP id ; Fri, 18 Jul 2003 23:59:29 +0100 Received: (from jsun@localhost) by orion.mvista.com (8.11.6/8.11.6) id h6IMxRe02882; Fri, 18 Jul 2003 15:59:27 -0700 Date: Fri, 18 Jul 2003 15:59:27 -0700 From: Jun Sun To: Jack Miller Cc: Linux-Mips , jsun@mvista.com Subject: Re: kernel BUG at sched.c:784! Message-ID: <20030718155927.I31523@mvista.com> References: <20030718112942.G31523@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from jack.miller@pioneer-pdt.com on Fri, Jul 18, 2003 at 03:51:25PM -0700 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 2828 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: jsun@mvista.com Precedence: bulk X-list: linux-mips On Fri, Jul 18, 2003 at 03:51:25PM -0700, Jack Miller wrote: > Jun, > ' Got the BUG() again after about 5 hours of operation. The BUG() > report is below. Any additional insight you can provide is greatly > appreciated. Thanks again for your help. > > Jack > > Linux version 2.4.17 (jack@saturn) (gcc version 3.2.2 20030612 (Pioneer > Voyager)) #5 Fri Jul 18 12:51:00 PDT 2003 > > active_mm = 83f02b20 > This make CPU bug being the cause unlikely. Are you using preemptible-kernel? I can't think of anything specific. I think you have to do some honest kgdb debugging. BTW, I have a simple trace tool (which I think is easier to use than LTT) you may find helpful. Good luck. http://linux.junsun.net/patches/generic/experimental/030716.a-jstrace.patch Jun