From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: kvm-intel does not load when Intel TXT is enabled Date: Sun, 16 May 2010 15:04:19 +0300 Message-ID: <4BEFDF43.6000508@redhat.com> References: <4BED954C.1090803@podzimek.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Andrej Podzimek Return-path: Received: from mx1.redhat.com ([209.132.183.28]:52121 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753778Ab0EPMEZ (ORCPT ); Sun, 16 May 2010 08:04:25 -0400 In-Reply-To: <4BED954C.1090803@podzimek.org> Sender: kvm-owner@vger.kernel.org List-ID: On 05/14/2010 09:24 PM, Andrej Podzimek wrote: > Hello, > > when I enable Intel TXT (Trusted Execution Technology) in the BIOS > settings of my Lenovo W510, the kvm-intel module does not load and > says 'kvm: disabled by bios', despite the fact that both VT-x and VT-d > are enabled. Disabling TXT enables hardware virtualization and > kvm-intel works as expected. > > Are VT-[xd] and TXT supposed to be mutually exclusive? Or could it be > a BIOS bug? > Running kvm under txt needs special support in the kernel; it will be available in 2.6.35. -- error compiling committee.c: too many arguments to function