From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760841AbYC0QbN (ORCPT ); Thu, 27 Mar 2008 12:31:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760463AbYC0QbA (ORCPT ); Thu, 27 Mar 2008 12:31:00 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:44139 "EHLO e31.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754652AbYC0Qa7 (ORCPT ); Thu, 27 Mar 2008 12:30:59 -0400 Subject: Re: [kvm-devel] kvm causing memory corruption? ~2.6.25-rc6 From: Dave Hansen To: Avi Kivity Cc: "linux-kernel@vger.kernel.org" , kvm-devel In-Reply-To: <47EBC2F5.90302@qumranet.com> References: <1206479576.7562.21.camel@nimitz.home.sr71.net> <47EA1C63.8010202@qumranet.com> <1206550329.7883.5.camel@nimitz.home.sr71.net> <47EA80AC.4070204@qumranet.com> <1206551794.7883.7.camel@nimitz.home.sr71.net> <47EB6AAC.3040607@qumranet.com> <1206633002.7883.43.camel@nimitz.home.sr71.net> <47EBC2F5.90302@qumranet.com> Content-Type: text/plain Date: Thu, 27 Mar 2008 09:30:48 -0700 Message-Id: <1206635448.7883.78.camel@nimitz.home.sr71.net> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2008-03-27 at 17:53 +0200, Avi Kivity wrote: > Dave Hansen wrote: > > On Thu, 2008-03-27 at 11:36 +0200, Avi Kivity wrote: > > > >> I dug out my i386 install and tried it. Doesn't reproduce for me on > >> either kvm.git or -rc7. > >> > >> Do you have a working setup that we can bisect? > >> > > I don't really have a working revision to bisect against. I'm not sure > > that it ever worked. > > I'm fairly sure Windows works on kvm... Oh, I didn't mean to imply that Windows doesn't work, just that the particular perverted way in which I'm poking it may have never worked. :) > How did you generate the image? The original install was done in a kqemu-accelerated host. > > It's also on my actual laptop, so it's a bit of a > > pain to get any other work done while I'm bisecting. :) > > > > I'll move the Windows image over to another machine today and see if I > > can reproduce elsewhere. I'll also check some older versions of KVM to > > see if any of those work. If I do that, should I keep the kvm > > userspace, modules and BIOSes all synchronized from each version that I > > test? > > > > You can keep the userspace (qemu + bios) fixed and change the kernel, or > vice versa. > -- Dave