Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756087Ab2HFMsg (ORCPT ); Mon, 6 Aug 2012 08:48:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:27356 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754167Ab2HFMsf (ORCPT ); Mon, 6 Aug 2012 08:48:35 -0400 Message-ID: <501FBD14.6030508@redhat.com> Date: Mon, 06 Aug 2012 15:48:20 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120717 Thunderbird/14.0 MIME-Version: 1.0 To: Stefan Priebe - Profihost AG CC: mtosatti@redhat.com, kvm@vger.kernel.org, qemu-devel , linux-kernel , Kevin Wolf , Stefan Hajnoczi Subject: Re: KVM segfaults with 3.5 while installing ubuntu 12.04 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> <501F846C.50903@profihost.ag> <501FB4A8.6080609@redhat.com> <501FBAA2.6050205@redhat.com> In-Reply-To: <501FBAA2.6050205@redhat.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1053 Lines: 31 On 08/06/2012 03:37 PM, Avi Kivity wrote: > On 08/06/2012 03:12 PM, Avi Kivity wrote: >> On 08/06/2012 11:46 AM, Stefan Priebe - Profihost AG wrote: >> >>> 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? >> >> Okay, I reproduced it; it seems aio=native is the culprit. You can try >> aio=threads as a workaround. >> >> Copying some relevant people (context: aio=native on qemu-kvm-1.1.1 >> segfaults pretty early during guest install) >> > > The following ought to fix it: It does. Kevin: despite aio=native, I get iothreads and pwrites, something is broken. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/