From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: [Fedora-xen] 2.6.31-1.2.65.xendom0.fc12.x86_64 crash on boot Date: Tue, 15 Sep 2009 14:14:56 -0700 Message-ID: <4AB003D0.70706@goop.org> References: <976E8557-F11D-416E-84C2-CD12B180CA1B@rit.edu> <20090915071730.GP31123@reaktio.net> <20090915075613.GQ31123@reaktio.net> <82B3AFF8-B4F1-4347-82F3-04F100002684@rit.edu> <20090915113914.GT31123@reaktio.net> <4AAFF1D7.1060100@goop.org> <94EE0889-57F7-46DC-994A-7ED0F4AE79ED@rit.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <94EE0889-57F7-46DC-994A-7ED0F4AE79ED@rit.edu> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Charles Gruener Cc: xen-devel@lists.xensource.com, fedora-xen@redhat.com List-Id: xen-devel@lists.xenproject.org On 09/15/09 14:01, Charles Gruener wrote: > Well, for some reason, the BIOS had NX disabled by default. After > enabling, I can now get further. OK, good to know. I'll post a patch shortly which I hope will make it work either way. > I've attached the output I'm now seeing. Could this now be related to > the myoung kernel? It's crashing because dom0 is trying to manipulate the DMAR hardware, which Xen won't allow. I think there's a fix in Xen to hide the DMAR from dom0, but in the meantime you can disable it in BIOS. J