This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: [Xen-devel] (XEN) Xen BUG at amd_nonfatal.c:165 on a new amd g34 boa

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] (XEN) Xen BUG at amd_nonfatal.c:165 on a new amd g34 board
From: Luke S Crawford <lsc@xxxxxxxxx>
Date: 15 Jul 2010 01:40:27 -0400
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 14 Jul 2010 22:41:39 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C8102100.1408D%keir.fraser@xxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <C8102100.1408D%keir.fraser@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.4
Keir Fraser <keir.fraser@xxxxxxxxxxxxx> writes:

> > I think the mce boot parameter should, when disabled, cause the MCE feature
> > bits to be removed from Xen's copy of CPUID feature flags. That would easily
> > disable all MCE logic throughout Xen.
> Actually I think the attached patch should work, in conjunction with
> specifying no-mce (4.0/unstable) or nomce (3.4) as a Xen boot parameter. Let
> me know if it works okay for you.
> I've applied the patch to xen-unstable as c/s 21360.

This still works swimmingly on xen 3.4... but I'm starting to 
flirt with xen 4.0/pvops  and while it looks like your patch is in there,
nomce, no-mce, mce=off and mce=no  all appear to do nothing, and my box 
reboots in the same place it did before:

(XEN) Panic on CPU 0:
(XEN) Xen BUG at amd_nonfatal.c:162

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>