From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261500AbTLPLks (ORCPT ); Tue, 16 Dec 2003 06:40:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261506AbTLPLks (ORCPT ); Tue, 16 Dec 2003 06:40:48 -0500 Received: from fw.osdl.org ([65.172.181.6]:27540 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261500AbTLPLkr (ORCPT ); Tue, 16 Dec 2003 06:40:47 -0500 Date: Tue, 16 Dec 2003 03:40:59 -0800 From: Andrew Morton To: Soeren Sonnenburg Cc: linux-kernel@vger.kernel.org Subject: Re: crypto-loop + highmen -> random crashes in -test11 Message-Id: <20031216034059.28db8e91.akpm@osdl.org> In-Reply-To: <1071570648.3528.50.camel@localhost> References: <1071570648.3528.50.camel@localhost> X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Soeren Sonnenburg wrote: > > Hi. > > I get random crashes/corruption/ init kills when I use cryptoloop on > this highmem enabled ppc machine. People have reported cryptoloop+highmem crashes on ia32 as well. I'm not sure if that was with -mm though. > Applying the loop-* patches at > http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test10/2.6.0-test10-mm1/broken-out > > seem to fix this problem (at least I did not get any crash due to > cryptoloop in the last 2 days) > > Steps to reproduce: > > dd if=/dev/zero of=/file bs=1M count=100 > losetup -e blowfish /dev/loop0 /file > Password: > mkfs -t ext3 /dev/loop0 > mount /dev/loop0 /mnt > cd /mnt > dd if=/dev/zero of=bla > > gives you nice unpredictable crashes. > Nice, but I don't know why those patches fixed it. hrm.