From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: Hang when starting a 256GB PV guest. Date: Fri, 09 Jul 2010 09:55:26 +0100 Message-ID: <4C37001E020000780000A6C7@vpn.id2.novell.com> References: <1278665081.1601.7.camel@redfuture-desktop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <1278665081.1601.7.camel@redfuture-desktop> 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: xiaowei.hu@oracle.com Cc: xen-devel List-Id: xen-devel@lists.xenproject.org >>> On 09.07.10 at 10:44, xiaowei hu wrote: > I was using xen 3.4.0 ,32bit dom0 to do some test on a 1TB memory > system.When tring to boot a 256GB PV guest(both EL4 and EL5),it just > hang after the domain builder completed it work. >=20 > Is it tested for 256GB PV guest? Anyone ever do this successfully? And > any suggestions? Doing this with a 32-bit Dom0 seems odd at best, but it should (theoretically) work. Do you see the same with a 64-bit Dom0? Did you analyze where the guests hang (i.e. whether their kernel has an issue with that amount of memory)? Jan