From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265080AbTLCQ1e (ORCPT ); Wed, 3 Dec 2003 11:27:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265081AbTLCQ1e (ORCPT ); Wed, 3 Dec 2003 11:27:34 -0500 Received: from tmr-02.dsl.thebiz.net ([216.238.38.204]:28170 "EHLO gatekeeper.tmr.com") by vger.kernel.org with ESMTP id S265080AbTLCQ11 (ORCPT ); Wed, 3 Dec 2003 11:27:27 -0500 To: linux-kernel@vger.kernel.org Path: gatekeeper.tmr.com!davidsen From: davidsen@tmr.com (bill davidsen) Newsgroups: mail.linux-kernel Subject: Re: aacraid and large memory problem (2.6.0-test11) Date: 3 Dec 2003 16:16:18 GMT Organization: TMR Associates, Schenectady NY Message-ID: References: <20031202193520.74481F7CC8@voldemort.scrye.com> <1070396482.16903.11.camel@markh1.pdx.osdl.net> X-Trace: gatekeeper.tmr.com 1070468178 18606 192.168.12.62 (3 Dec 2003 16:16:18 GMT) X-Complaints-To: abuse@tmr.com Originator: davidsen@gatekeeper.tmr.com Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org In article <1070396482.16903.11.camel@markh1.pdx.osdl.net>, Mark Haverkamp wrote: | On Tue, 2003-12-02 at 11:35, Kevin Fenzi wrote: | > -----BEGIN PGP SIGNED MESSAGE----- | > Hash: SHA1 | > | > | > Greetings, | > | > Booting 2.6.0-test11 on a machine with 8GB memory and using the | > aacraid driver results in a hang on boot. Passing mem=2048M causes it | > to boot normally. 4GB also hangs. 2.6.0-test8 booted normally on this | > same hardware. | > | > 8GB memory, dual xeon 3.06mhz with hyperthreading, RedHat 9 on it | > currently. | > | > Happy to provide details on setup/software, etc. | > | > Perhaps this patch in 2.6.0-test9 is the culprit? | > http://www.linuxhq.com/kernel/v2.6/0-test9/drivers/scsi/aacraid/comminit.c | | This patch is what made aacraid work with over 4 gig of memory for me. | I have an 8 proc system with 16gig of memory and without this patch I | get data corruption in high memory. | | I don't boot on the aacraid though. It would be interesting to know what memory model is being used in each case. Both CONFIG_HIGHMEM* and maybe user/kernel split might play. Based on one boot with one machine, 4G RAM, it didn't hang. Unfortunately a production machine, I was playing following some "unscheduled maintenence." -- bill davidsen CTO, TMR Associates, Inc Doing interesting things with little computers since 1979.