From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Domain 0 stop response on frequently reboot VMS Date: Fri, 15 Oct 2010 13:57:09 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: MaoXiaoyun , xen devel List-Id: xen-devel@lists.xenproject.org You'll probably want to see if you can get SysRq output from dom0 via serial line. It's likely you can if it is alive enough to respond to ping. This might tell you things like what all processes are getting blocked on, and thus indicate what is stopping dom0 from making progress. -- Keir On 15/10/2010 13:43, "MaoXiaoyun" wrote: > > Hi Keir: > > First, I'd like to express my appreciation for the help your offered > before. > Well, recently we confront a rather nasty domain 0 no response > problem. > > We still have 12 HVMs almost continuously and concurrently reboot > test on a physical server. > A few hours later, the server looks like dead. We only can ping to > the server and get right response, > the Xen works fine since we can get debug info from serial port. Attached is > the full debug output. > After decode the domain 0 CPU stack, I find the CPU still works for domain 0 > since the stack changed > info changed every time I dumped. > > Could help to take a look at the attentchment to see whether there are > some hints for debugging this > problem. Thanks in advance. > > > > > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel