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

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Message-ID: <501E4615.7060801@profihost.ag>
Date:	Sun, 05 Aug 2012 12:08:21 +0200
From:	Stefan Priebe <s.priebe@...fihost.ag>
To:	Avi Kivity <avi@...hat.com>
CC:	mtosatti@...hat.com, kvm@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: KVM segfaults with 3.5 while installing ubuntu 12.04

Am 01.08.2012 11:53, schrieb Avi Kivity:
> On 08/01/2012 12:42 PM, Stefan Priebe - Profihost AG wrote:
>> Am 01.08.2012 11:33, schrieb Avi Kivity:
>>>> 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.

qemu-kvm.git master just hangs after the 2nd screen with using 100% CPU 
and doing nothing... so i can't test with qemu-kvm.master

Stefan
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