From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: xen 3.0.5-rc3 vmx_create_vmcs panic on starting
	VT HVM domain
Date: Wed, 25 Apr 2007 20:51:07 +0100
Message-ID: <C2556FBB.656D%keir@xensource.com>
References: <200704252130.39010.ak@suse.de>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <200704252130.39010.ak@suse.de>
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Andi Kleen <ak@suse.de>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

On 25/4/07 20:30, "Andi Kleen" <ak@suse.de> wrote:

> It's this line
> 
>    __vmwrite(VIRTUAL_APIC_PAGE_ADDR,
>               page_to_maddr(vcpu_vlapic(v)->regs_page));
> 
> It's an older preproduction VT P4 system. Worked with earlier Xen releases,
> but perhaps it's too old now.

It's possible, but actually this may be detectable and easily worked around.
What does MSR 0x482 contain?

 -- Keir