From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Byrne Subject: Migration and CPU type? Date: Wed, 15 Feb 2006 15:50:56 -0800 Message-ID: <43F3BE60.1040901@hp.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 List-Id: xen-devel@lists.xenproject.org There are various differences between x86 CPU types that I believe would cause a guest to fail after being migrated. Are there checks in the migration code to prevent this from happening? Does it check for an "incompatible CPU" and fail early, leaving the guest running on the source host? If there is a check, what is its nature? (Exact match of CPU type/rev or something based on CPU-features?) Thanks, John Byrne