From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mukesh Rathor Subject: Hyp compat_memory_op() and 256 GB PV Date: Tue, 17 Feb 2009 19:39:54 -0800 Message-ID: <499B830A.5050301@oracle.com> Reply-To: mukesh.rathor@oracle.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: 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 Hi, Moving on to 256 GB guest, the hyp is failing the XENMEM_populate_physmap hcall in compat_memory_op(). The problem is size too large for continuation encoding: /* Is size too large for us to encode a continuation? */ if ( cmp.rsrv.nr_extents > (UINT_MAX >> MEMOP_EXTENT_SHIFT)) return start_extent; for 256 GB : nr_extents == 0x4000000 Currently at a loss on this one! Thanks, Mukesh