Hi, Did you try with other OS types - message above suggests that your Xen is seen as 6.5 version and doesn't support CentOS 7 - can you try to edit the VM to CentOS 6 or CentOS 7.1/7.2 etc ? Does the revert works then ?
On Wed, 23 Jan 2019 at 02:58, Haijiao <18602198...@163.com> wrote: > This is a fresh installation (XenSever 7.1.2+ACS 4.11.2). > > > > We simply can not revert the VM snapshot though there's no changes at all > to VM or template. > > > We can consistently reproduce this issue in our environtment with the > error log attached. And we believe the issue doesn't exisit in another > environment ( XenServer 6.5+ACS 4.7.1). > > > > -- Andrija Panić