From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Kernel 3.0 crashes 4.2 unstable on some hardware Date: Wed, 3 Aug 2011 11:34:11 -0400 Message-ID: <20110803153411.GC2860@dumpdata.com> References: <4E3469EA.8070309@darwinistic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4E3469EA.8070309@darwinistic.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Andi Reinbrech Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On Sat, Jul 30, 2011 at 10:30:34PM +0200, Andi Reinbrech wrote: > Hi, > > I have successfully set up a xen-unstable machine with kernel 3.0, > on an old core2duo - running win2008 in hvm works 100%. When trying > on a new i5 machine though, the same kernel reboots the machine > immediately after xen starts up dom0. > > It appears to be during the stage of graphics/framebuffer > initialisation but the serial console does not show any details. I > have tried nomodeset with no changes. Make sure you have 'sync_console' on your Xen stanza. And "debug loglevel=10 initcall_debug" on your Linux stanza. > > What would the xen-gurus need from me to debug this in more detail? > The machine (same xen 4.2) boots fine with the 2.6.32.xendom0 > kernel. I was expecting at least an exception, core dump or freeze, > but this reboot is quite strange and very hard to debug. What is the video card you have? Do you have CONFIG_DMAR in your .config? What does your lspci -vvv output look like? > > Thanks! > Andi > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel