Message-ID: <501FB4A8.6080609@redhat.com>
Date: Mon, 06 Aug 2012 15:12:24 +0300
From: Avi Kivity <avi@redhat.com>
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To: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
CC: mtosatti@redhat.com, kvm@vger.kernel.org,
        qemu-devel <qemu-devel@nongnu.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Kevin Wolf <kwolf@redhat.com>,
        Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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>
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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)

-- 
error compiling committee.c: too many arguments to function
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