From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: WinXP virtual crashes on 0.12.1.2 but not 0.12.1.1 Date: Mon, 25 Jan 2010 19:37:38 +0200 Message-ID: <4B5DD6E2.7010306@redhat.com> References: <4B43643F.8090303@siriusit.co.uk> <4B4373A8.8050807@redhat.com> <4B44731A.4020405@siriusit.co.uk> <4B448513.6070505@redhat.com> <4B448715.9000602@siriusit.co.uk> <4B4489F5.4000409@redhat.com> <4B44B018.90003@siriusit.co.uk> <4B45A05A.5020304@redhat.com> <4B45AFA1.6090008@siriusit.co.uk> <4B5BF98A.5040408@redhat.com> <4B5DB5A8.4000108@siriusit.co.uk> <4B5DB86F.202@redhat.com> <4B5DC16F.9020909@siriusit.co.uk> <4B5DC233.2090407@redhat.com> <4B5DC471.8040500@siriusit.co.uk> <4B5DC528.40000@redhat.com> <4B5DCCD9.7040709@siriusit.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Mark Cave-Ayland Return-path: Received: from mx1.redhat.com ([209.132.183.28]:15312 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754480Ab0AYRhr (ORCPT ); Mon, 25 Jan 2010 12:37:47 -0500 In-Reply-To: <4B5DCCD9.7040709@siriusit.co.uk> Sender: kvm-owner@vger.kernel.org List-ID: On 01/25/2010 06:54 PM, Mark Cave-Ayland wrote: > Avi Kivity wrote: > >> echo kvm > /sys/kernel/debug/tracing/set_event >> (you can also enable just the msr and cpuid events, see >> /sys/kernel/debug/tracing/events) >> >> cat /sys/kernel/debug/trace > > (goes on a kernel debugging crash course) > > Okay I think I've got the information you need for msr and cpuid: > > http://pastebin.com/m39e26e6e > > This is from a fresh start of the VM up to just after the point where > it reaches the BSOD. > > Unfortunately msr tracing fails to record some important information. I just posted a patch to fix this. Can you rerun from kvm.git branch msr-trace? That contains the fix. -- error compiling committee.c: too many arguments to function