From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40078) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XyjTe-0004DK-FG for qemu-devel@nongnu.org; Wed, 10 Dec 2014 10:47:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XyjTV-00059R-Dk for qemu-devel@nongnu.org; Wed, 10 Dec 2014 10:46:58 -0500 Received: from mail-wi0-x236.google.com ([2a00:1450:400c:c05::236]:59291) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XyjTV-00059L-5r for qemu-devel@nongnu.org; Wed, 10 Dec 2014 10:46:49 -0500 Received: by mail-wi0-f182.google.com with SMTP id h11so5606736wiw.9 for ; Wed, 10 Dec 2014 07:46:48 -0800 (PST) Sender: Paolo Bonzini Message-ID: <54886AE4.3030403@redhat.com> Date: Wed, 10 Dec 2014 16:46:44 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <20141210163832.63355453@nial.usersys.redhat.com> In-Reply-To: <20141210163832.63355453@nial.usersys.redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] broken cross-version migration from 2.2 to 2.1 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Igor Mammedov , qemu-devel@nongnu.org Cc: mst@redhat.com, dgilbert@redhat.com, quintela@redhat.com On 10/12/2014 16:38, Igor Mammedov wrote: > CCing to migration maintainers a couple migration regressions in 2.2: > > 1st error: > > source: > qemu-system-x86_64-2.2 -enable-kvm -m 512 -monitor stdio -M pc-i440fx-2.1 > (qemu) stop > (qemu) migrate "exec:gzip -c > STATEFILE.gz" > > target: > qemu-system-x86_64-2.1 -enable-kvm -m 512 -monitor stdio -incoming "exec: gzip -c -d STATEFILE.gz" -M pc-i440fx-2.1 > qemu: warning: error while loading state for instance 0x0 of device 'serial' > qemu-system-x86_64-2.1: load of migration failed: No such file or directory > > 2nd error: > > source: > qemu-system-x86_64-2.2 -enable-kvm -smp 2 -m 512 -monitor stdio -M pc-i440fx-2.1 > (qemu) stop > (qemu) migrate "exec:gzip -c > STATEFILE.gz" > > target: > qemu-system-x86_64-2.1 -enable-kvm -smp 2 -m 512 -monitor stdio -M pc-i440fx-2.1 -incoming "exec: gzip -c -d STATEFILE.gz" > qemu: warning: error while loading state for instance 0x1 of device 'apic' > qemu-system-x86_64-2.1: load of migration failed: No such file or directory > > A lot of subsections were added between 2.1 and 2.2. Which ones are being migrated in these cases? Paolo