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

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Message-ID: <5017C8A0.60506@profihost.ag>
Date:	Tue, 31 Jul 2012 13:59:28 +0200
From:	Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>
To:	avi@...hat.com
CC:	mtosatti@...hat.com, kvm@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: KVM segfaults with 3.5 while installing ubuntu 12.04

Hello list,

i hope it is correct to list the maintainers of kvm. While trying to 
install ubuntu 12.04 amd64 on a kvm based vm the KVM process segfaults 
while ubuntu tries to detect the HW:
kvm[2978]: segfault at 7fb90d9035e0 ip 00007fb90d9035e0 
sp00007fff652e4ed8 error 15

This does not happen with a rhel6 based 2.6.32 kernel so i thought this 
must be a bug in vanilla 3.5.0 kernel.

Is this known? What information do you need?

Thanks!

Greets
Stefan
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