From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: experienced unstability Date: Tue, 21 Apr 2009 12:51:11 +0100 Message-ID: References: <49EDAD52.3040506@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <49EDAD52.3040506@web.de> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "jon.hart" , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 21/04/2009 12:26, "jon.hart" wrote: > If a domU crash happens all I can do is to destroy this guest because it > is unaccessable in this state. > > My questions are: is there an other kernel tree I can try? What can I do > to figure out what the problem is or to fix this? You could try http://xenbits.xensource.com/linux-2.6.18-xen.hg in a domU and see if that stabilises that particular domU. The bug looks possibly like a spinlock deadlock within the domU kernel, or possibly a bug in the paravirtualised spinlock implementation. -- Keir