From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space Date: Fri, 18 Feb 2011 10:16:49 -0500 Message-ID: <20110218151649.GA1539@dumpdata.com> References: <1A42CE6F5F474C41B63392A5F80372B2335E978C@shsmsx501.ccr.corp.intel.com> <20110216150638.GC12215@dumpdata.com> <20110216152021.GA5894@dumpdata.com> <20110216154759.GA3921@dumpdata.com> <4D5CB2DF.80604@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4D5CB2DF.80604@intel.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: Fengzhe Zhang Cc: xen-devel , "Dong, Eddie" , "Li, Xin" , yunhong.jiang@intel.com List-Id: xen-devel@lists.xenproject.org On Thu, Feb 17, 2011 at 01:32:15PM +0800, Fengzhe Zhang wrote: > On 2011/2/16 23:47, Konrad Rzeszutek Wilk wrote: > >On Wed, Feb 16, 2011 at 10:20:21AM -0500, Konrad Rzeszutek Wilk wrote: > >>On Wed, Feb 16, 2011 at 10:06:38AM -0500, Konrad Rzeszutek Wilk wrote: > >>>On Wed, Feb 16, 2011 at 10:26:20PM +0800, Zhang, Fengzhe wrote: > >>>>iomem: Prevent Dom0 pci bus from allocating RAM as I/O space > >>> > >>>Is there a bug # associated with this? Is this associated with the intel-agp > >>>driver trying to ioremap the scratch page and bombing out? > > > >Also did you try to revert 0b56d9994ebe34df77fa156d2068ad93b7877b44 and see > >how that works? Here is the revert attached > > > > I tried this patch and it can indeed avoid system crash. > What happens if you use the revert _and_ don't use dom0_mem? Does the machine not crash on the igb?