linux-kernel - Re: KVM segfaults with 3.5 while installing ubuntu 12.04

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Message-ID: <501FB4A8.6080609@redhat.com>
Date:	Mon, 06 Aug 2012 15:12:24 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>
CC:	mtosatti@...hat.com, kvm@...r.kernel.org,
	qemu-devel <qemu-devel@...gnu.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Kevin Wolf <kwolf@...hat.com>,
	Stefan Hajnoczi <stefanha@...ux.vnet.ibm.com>
Subject: Re: KVM segfaults with 3.5 while installing ubuntu 12.04

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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