From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aurelien Jarno Subject: Re: Data corruption in guest using KVM Date: Sun, 22 Jul 2007 20:14:31 +0200 Message-ID: <20070722181431.GA29472@hall.aurel32.net> References: <20070721172248.GA1555@hall.aurel32.net> <46A30CA3.3090100@qumranet.com> <20070722133818.GG16993@hall.aurel32.net> <46A35FAB.701@qumranet.com> <20070722164454.GA26166@hall.aurel32.net> <46A3952D.2020009@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Avi Kivity Return-path: Content-Disposition: inline In-Reply-To: <46A3952D.2020009-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org On Sun, Jul 22, 2007 at 08:34:37PM +0300, Avi Kivity wrote: > Aurelien Jarno wrote: > > On Sun, Jul 22, 2007 at 04:46:19PM +0300, Avi Kivity wrote: > > > >> If you do happen to get a same-size corruption, that may tell us more. > >> > >> > > > > I have just got one same-size corruption building glibc 2.6 on > > GNU/kFreeBSD i386 (32-bit nonpae). > > > > One byte at address 0x9000 has been replaced by 0x00. Please find the > > good and the bad file attached. > > > > > > Good. We have one or two cross-page-boundary bugs. The > corruption-chase branch already fixes one (which is much more likely to > be triggered by FreeBSD than Linux, if I understand the FreeBSD VM > correctly). I have got since then 3 more failures, all at page boundaries, mangling 1 to 3 bytes. I am currently trying the patch from the corruption-chase branch. -- .''`. Aurelien Jarno | GPG: 1024D/F1BCDB73 : :' : Debian developer | Electrical Engineer `. `' aurel32-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org | aurelien-rXXEIb44qovR7s880joybQ@public.gmane.org `- people.debian.org/~aurel32 | www.aurel32.net ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/