From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 26 Jan 2001 04:24:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 26 Jan 2001 04:24:20 -0500 Received: from finch-post-11.mail.demon.net ([194.217.242.39]:28682 "EHLO finch-post-11.mail.demon.net") by vger.kernel.org with ESMTP id ; Fri, 26 Jan 2001 04:24:12 -0500 Date: Fri, 26 Jan 2001 09:24:12 +0000 To: linux-kernel@vger.kernel.org Subject: Re: 2.4.1-pre8 losing pages Message-ID: <20010126092412.A508@colonel-panic.com> Mail-Followup-To: pdh, linux-kernel@vger.kernel.org In-Reply-To: <20010125231659.A2128@colonel-panic.com> <3A70DEF1.80ECEF80@baldauf.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3A70DEF1.80ECEF80@baldauf.org>; from xuan--lkml@baldauf.org on Fri, Jan 26, 2001 at 03:20:33AM +0100 From: Peter Horton Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 26, 2001 at 03:20:33AM +0100, Xuan Baldauf wrote: > > Peter Horton wrote: > > > I'm experiencing repeatable corruption whilst writing large volumes of > > data to disk. Kernel version is 2.4.1-pre8, on an 850MHz AMD Athlon on an > > ASUS A7V (VIA KT133 chipset) motherboard 128M RAM (tested with 'memtest86' > > for 10 hours). > > > > So what output does following bash script produce? > Well this is the script I've been testing with ... #!/bin/bash -x set -e uname -a rm -f test test[a-z] dd if=/dev/urandom of=test bs=1024k count=128 for I in a b c d e f g h i j k l m n o p q r s t u v w x y z; do cp test test$I done md5sum test* ... this is the kinda output I get on most runs :- Linux mole-rat 2.4.1-pre10 #1 Fri Jan 26 08:48:55 GMT 2001 i686 unknown ... aa6a64589748321899bab2b66f71427f testt aa6a64589748321899bab2b66f71427f testu aa6a64589748321899bab2b66f71427f testv 9dde1bed276e32a1f9af98c87ab05978 testw aa6a64589748321899bab2b66f71427f testx aa6a64589748321899bab2b66f71427f testy aa6a64589748321899bab2b66f71427f testz mole-rat:~# cmp testw testx testw testx differ: char 110862337, line 433772 mole-rat:~# cmp -i $(( 110862336 + 4096 )) testw testx mole-rat:~# echo $(( 110862336 % 4096 )) 0 > > I cannot reproduce your behaviour in 2.4.1-pre9. > No, I can't find anybody else who can either. Maybe I've got a dodgy CPU :-( P. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/