From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Christoph Egger" Subject: Re: Xen hypervisor hangs on booting against c/s 16925 Date: Tue, 29 Jan 2008 11:29:53 +0100 Message-ID: <200801291129.53249.Christoph.Egger@amd.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tuesday 29 January 2008 11:20:24 Keir Fraser wrote: > Isn't the memory map below 1MB well known, and no I/O exists down there > except for VGA? Below that is conventional RAM; above that is ROM space. > -- Keir > You remind me on the old days where everyone played with config.sys and=20 autoexec.bat. ;-) Christoph > On 29/1/08 10:05, "Jan Beulich" wrote: > > Don't you think that it would also be reasonable to map all of the RAM > > holes below 1M uncacheable, not just the VGA space? Since early boot > > code can't know this, I added a map_pages_to_xen(..., > > PAGE_HYPERVISOR_NOCACHE) for the below-1Mb case of the code > > that you just fixed. > > > > Jan > > > >>>> Keir Fraser 29.01.08 10:37 >>> > > > > Fixed by c/s 16926. > > > > -- Keir > > > > On 29/1/08 05:58, "Li, Haicheng" wrote: > >> Xen hangs on booting with following log printed: > >> > >> (XEN) Initializing CPU#0 > >> (XEN) Detected 2992.574 MHz processor. > >> (XEN) (XEN) (XEN) (XEN) (XEN) > >> > >> This issue was introduced by c/s 16889. > >> > >> Here is the bugzilla entry: > >> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=3D1157 > >> > >> -- haicheng =2D-=20 AMD Saxony, Dresden, Germany Operating System Research Center Legal Information: AMD Saxony Limited Liability Company & Co. KG Sitz (Gesch=E4ftsanschrift): Wilschdorfer Landstr. 101, 01109 Dresden, Deutschland Registergericht Dresden: HRA 4896 vertretungsberechtigter Komplement=E4r: AMD Saxony LLC (Sitz Wilmington, Delaware, USA) Gesch=E4ftsf=FChrer der AMD Saxony LLC: Dr. Hans-R. Deppe, Thomas McCoy