From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [Xen-4.3 backport] [Patch] tools/migrate: Fix regression when migrating from older version of Xen Date: Wed, 13 Nov 2013 12:45:43 +0000 Message-ID: <52837477.5080103@citrix.com> References: <1381413392-25389-1-git-send-email-andrew.cooper3@citrix.com> <21122.18289.142521.246665@mariner.uk.xensource.com> <1384334962.5406.4.camel@kazak.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1384334962.5406.4.camel@kazak.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: Jan Beulich , Ian Jackson , Xen-devel List-Id: xen-devel@lists.xenproject.org On 13/11/13 09:29, Ian Campbell wrote: > On Tue, 2013-11-12 at 15:21 +0000, Ian Jackson wrote: >> Andrew Cooper writes ("[Xen-devel] [Xen-4.3 backport] [Patch] tools/migrate: Fix regression when migrating from older version of Xen"): >> ... >>> With this fix in place, the behaviour for normal migrations is >>> reverted to how it was before the regression; the migration is >>> considered non-checkpointed right from the start. A >>> XC_SAVE_ID_LAST_CHECKPOINT chunk seen in the migration stream is a >>> nop. For checkpointed migrations the behaviour is unchanged. >> This patch has been sitting in unstable master for a while now without >> apparent problems, and the backport looks plausible. So I have >> applied your backport to staging-4.3. >> >> I had a quick look at applying this to 4.2, too, but it didn't apply >> cleanly. If you have a version for 4.2, I'd be happy to commit it. > Does the issue existing between 4.2->4.3 migrations? > > The issue exists migrating across the changeset 00a4b65f8534c9e6521eab2e6ce796ae36037774 This is a supported upgrade configuration for XenServer. I will endeavour to provide a 4.2 backport when I have enough time to do so. ~Andrew