From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59842) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YL8M2-0002gf-TK for qemu-devel@nongnu.org; Tue, 10 Feb 2015 05:47:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YL8Ly-0003nW-FD for qemu-devel@nongnu.org; Tue, 10 Feb 2015 05:47:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:32864) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YL8Ly-0003nL-88 for qemu-devel@nongnu.org; Tue, 10 Feb 2015 05:47:38 -0500 Message-ID: <54D9E1B3.50709@redhat.com> Date: Tue, 10 Feb 2015 11:47:15 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <54D9CEC9.9040902@kamp.de> <54D9D421.10907@redhat.com> <54D9D765.4040805@kamp.de> <54D9DACD.9020704@redhat.com> <54D9DC74.1020502@kamp.de> <54D9DCB0.8030407@redhat.com> <54D9DDAF.2050200@kamp.de> In-Reply-To: <54D9DDAF.2050200@kamp.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] kvmclock_current_nsec: Assertion `time.tsc_timestamp <= migration_tsc' List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Lieven , "qemu-devel@nongnu.org" Cc: mtosatti@redhat.com, agraf@suse.de On 10/02/2015 11:30, Peter Lieven wrote: >>> >> QEMU64 does not resemble any actual processor. You want the lowest >> denominator of your cluster, probably Nehalem. > > Ah okay. Normally, I compare the available cpu flags of my cluster > and pass those flags individually. Maybe I have to revisit that logic. Seems to be okay, but that work has been already done for you. :) If you use "-cpu Nehalem,enforce" it will also fail to start on pre-Nehalem processors. Paolo