From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267465AbUHPGc5 (ORCPT ); Mon, 16 Aug 2004 02:32:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267470AbUHPGc5 (ORCPT ); Mon, 16 Aug 2004 02:32:57 -0400 Received: from out009pub.verizon.net ([206.46.170.131]:27608 "EHLO out009.verizon.net") by vger.kernel.org with ESMTP id S267465AbUHPGcy (ORCPT ); Mon, 16 Aug 2004 02:32:54 -0400 From: Gene Heskett Reply-To: gene.heskett@verizon.net Organization: Organization: None, detectable by casual observers To: linux-kernel@vger.kernel.org Subject: Re: Possible dcache BUG Date: Mon, 16 Aug 2004 02:32:52 -0400 User-Agent: KMail/1.6.82 Cc: Denis Vlasenko , viro@parcelfarce.linux.theplanet.co.uk, Marcelo Tosatti References: <200408151633.41807.gene.heskett@verizon.net> <200408160803.15206.vda@port.imtp.ilyichevsk.odessa.ua> In-Reply-To: <200408160803.15206.vda@port.imtp.ilyichevsk.odessa.ua> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200408160232.52158.gene.heskett@verizon.net> X-Authentication-Info: Submitted using SMTP AUTH at out009.verizon.net from [151.205.63.91] at Mon, 16 Aug 2004 01:32:53 -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 16 August 2004 01:03, Denis Vlasenko wrote: >On Sunday 15 August 2004 23:33, Gene Heskett wrote: >> On Sunday 15 August 2004 15:57, Denis Vlasenko wrote: >> >> And I still don't have any dups, but I AAARRRRGGGGGggg! do have >> >> this: >> >> >> >> -------------- >> >> Aug 15 09:33:02 coyote kernel: Unable to handle kernel paging >> >> request at virtual address 5f746573 Aug 15 09:33:02 coyote >> >> kernel: printing eip: Aug 15 09:33:02 coyote kernel: 5f746573 >> >> Aug 15 09:33:02 coyote kernel: *pde = 00000000 >> >> Aug 15 09:33:02 coyote kernel: Oops: 0000 [#1] >> >> Aug 15 09:33:02 coyote kernel: PREEMPT >> > >> > ^^^^^^^ >> > >> >> Aug 15 09:33:02 coyote kernel: Modules linked in: eeprom >> >> snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss >> >> snd_mixer_oss snd_bt87x snd_intel8x0 snd_ac97_codec snd_pcm >> >> snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi >> >> snd_seq_device snd forcedeth >> > >> >Gene, you should have stopped using preempt/smp and sound modules >> >in an attempt to narrow down the bug. We already kinda determined >> >that you are experiencing random memory corruption, but hardware >> >was tested and seems to be ok. It's software, then. Preempt/smp >> > bug or buggy driver are prime suspects. >> >> Ok, non-preempt is building. Will reboot to it when the build is >> done. > >Do not load sound modules too please, unless you absolutely need > sound. One thing at a time I think. Thats major surgery on modprobe.conf to disable that, plus a chkconfig alsasound off. I've noticed that with preempt off, my kde curser motions are back to using the mouse if I want to move it more than a word or so to hit a typu and fix it. Its an effect that comes and goes, often in the same message reply. X is running at -1 I think. Other than that (knock on wood) its running ok so far, but only 9h50m uptime. >> >> I was able to restart the shell, and the top. The system >> >> "feels" normal. >> >> >> >> I'm going to call tcwo tomorrow and see what I can get in new >> >> hardware. >> > >> >Very likely this won't help. >> >> I'm not quite as sure. This could be a mobo with a flakey buffer >> latch or something. I also had, many years ago, a z-80 that would > >GCC is likely to sometimes catch sig11 on such flakey hardware. >You did not report anything like that, than's why I'm thinking >hardware is ok. > >> not reliably switch its foreground/background register set. And >> guess what? By the time I'd diagnosed it, zilog wasn't interested >> in replaceing an obviously flakey chip. Out of warranty according >> to the date stamps. Not my problem it laid on some distribs shelf >> for a frigging year plus... > >-- >vda -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) 99.24% setiathome rank, not too shabby for a WV hillbilly Yahoo.com attorneys please note, additions to this message by Gene Heskett are: Copyright 2004 by Maurice Eugene Heskett, all rights reserved.