From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe - Profihost AG Subject: Re: KVM segfaults with 3.5 while installing ubuntu 12.04 Date: Mon, 06 Aug 2012 10:46:36 +0200 Message-ID: <501F846C.50903@profihost.ag> References: <5017C8A0.60506@profihost.ag> <5017F19E.4070308@redhat.com> <501817C9.6090405@profihost.ag> <5018EC7D.9090702@redhat.com> <5018F5BB.9070500@profihost.ag> <5018F7E6.4020909@redhat.com> <5018F9F6.70307@profihost.ag> <5018FC9B.8040808@redhat.com> <501E4615.7060801@profihost.ag> <501E4AFD.3020806@redhat.com> <501E96BB.5060702@profihost.ag> <501EC2E2.8010802@profihost.ag> <501F8226.9090500@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: mtosatti@redhat.com, kvm@vger.kernel.org, LKML To: Avi Kivity Return-path: In-Reply-To: <501F8226.9090500@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org >Am 06.08.2012 10:36, schrieb Avi Kivity: > On 08/05/2012 10:00 PM, Stefan Priebe wrote: >>>>>>>>> So here are 3 backtraces from booting the rescue system: >>>>>>>>> http://pastebin.com/raw.php?i=xCy2pEcP >>>>>>>>> >>>>>>>>> To me they all look the same. >>>>>>>> >>>>>>>> They are. What version of qemu are you using? >>>>>>> >>>>>>> latest stable-1.1 branch (1.1.1) - which works fine with latest RHEL6 >>>>>>> kernel. >>>>>> >>>>>> This could be due to a kernel bug, or due to a different code path >>>>>> taken >>>>>> in qemu because of differing features exposed to kvm. >>>>>> >>>>>> Please try qemu-kvm.git master and report. >> >> OK got it running it's just awfully slow and i was too impatient. It >> crashes at the part as 1.1.1 stable. >> > > Slow? what does 'info kvm' say? Will recheck right now i'm running 1.1.1 again. > I got master running and it wasn't particularly slow. I'll try 1.1.1 too. But still i got the segfault and core dump - this is my main problem? I mean qemu-kvm master isn't declared as stable. So i don't care about the slowness here. What can we do about the core dump and crash? Stefan