From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: Re: xen/stable 2.6.32.9 32bit dom0 kernel crashes early on boot Date: Fri, 19 Mar 2010 15:57:06 -0700 Message-ID: <4BA40142.6010903@goop.org> References: <20100304195337.GF2761@reaktio.net> <4BA2B7FA.4050306@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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: M A Young Cc: xen-devel@lists.xensource.com, Keir Fraser , Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org On 03/19/2010 03:20 PM, M A Young wrote: > >> Xen is 32 bit, right? >> >> Could you disassemble this whole function, so I can see what register >> the other half is in? (I'm guessing its ecx or esi; nothing else >> makes much sense.) > > > I submitted an earlier report with a more complete dump of this > function, which is at > http://lists.xensource.com/archives/html/xen-devel/2010-02/msg00844.html > The code may have changed slightly since then but it looks to be the > same issue. I think so too. The question is where that set_pte is coming from, and why does it have NX set even though the CPU doesn't support it? I'm setting up a Xen test domain at the moment, so I'll have a look into it. J