From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: Segfault while booting Windows XP x64 Date: Tue, 31 Mar 2009 15:53:06 +0300 Message-ID: <20090331125306.GD26286@redhat.com> References: <20090330232652.3547b29f@aether.home.pioto.org> <20090331055448.GG7285@redhat.com> <20090331085025.41ae2983@aether.home.pioto.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Mike Kelly Return-path: Received: from mx2.redhat.com ([66.187.237.31]:39466 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756743AbZCaMxJ (ORCPT ); Tue, 31 Mar 2009 08:53:09 -0400 Content-Disposition: inline In-Reply-To: <20090331085025.41ae2983@aether.home.pioto.org> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Mar 31, 2009 at 08:50:25AM -0400, Mike Kelly wrote: > On Tue, 31 Mar 2009 08:54:48 +0300 > Gleb Natapov wrote: > > > On Mon, Mar 30, 2009 at 11:26:52PM -0400, Mike Kelly wrote: > > > I'm on a Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz, using a 2.6.29 > > > vanilla kernel, x86_64. kvm userland version 84. > > > > > > When I try to boot my x64 Windows XP, it gets partway through the > > > windows booting process, with the progress bar and what not. Then, I > > > get the attached backtrace. > > > > > > The various -no-kvm options don't seem to make a difference. > > > > > > I created, and was able to boot, this image using linux 2.6.28. I'll > > > give it a shot again later to confirm that is still the case. > > > > > Are you sure you have write permission to that image? > > Hmm, I thought I did, but looks like I messed up my mount this time > around. Dang. > > That still shouldn't cause a segfault, though. But, yes, fixing my > mount fixes the crash. > This crash is known and fix is been working on. It happens on IO cancellation path and usually you get there if you don't have write permission to you image. -- Gleb.