From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Centos 6.6 on Centos 6.6,internal error process exited Date: Sat, 31 Jan 2015 13:36:16 +0100 Message-ID: <54CCCC40.2070901@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit To: mad Engineer , kvm@vger.kernel.org Return-path: Received: from mail-wi0-f180.google.com ([209.85.212.180]:49617 "EHLO mail-wi0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750785AbbAaMgW (ORCPT ); Sat, 31 Jan 2015 07:36:22 -0500 Received: by mail-wi0-f180.google.com with SMTP id h11so7238462wiw.1 for ; Sat, 31 Jan 2015 04:36:20 -0800 (PST) In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 31/01/2015 09:24, mad Engineer wrote: > I have a server with centos 6.5 installed and later upgraded to 6.6 > after restart, installed kvm and created centos 6.5 as guest and later > upgraded guest to 6.6. > Now after host reboot i am not able to start guest as it shows > > > "Internal error process exited while reading console log output > Supported machines are: > pc RHEL 6.5 pc > RHEL 6.5.0 RHEL 6.5 pc > RHEL 6.4.0 RHEL 6.4 pc " > > > Even though by changing "Machine" in xml config from RHEL 6.6.0 to > RHEL 6.5.0 vm has started and its working. > > But why is 6.6 guest not supported in 6.6 host,i suspect its because > of some upgradation issue from 6.5 to 6.6.Can some one please help me > understand this. rhel6.6.0 is not a guest OS version, but a machine type ("motherboard version" so to speak) provided by the host. If you do not have a rhel6.6.0 machine type in your CentOS 6.6 host, something has gone wrong in the upgrade. That said, you can use the rhel6.5.0 machine type just fine. The differences are minimal. Paolo