> -Original Message-
> From: Andrew Cooper [mailto:andrew.coop...@citrix.com]
> Sent: Tuesday, June 7, 2016 5:47 PM
> To: Hao, Xudong ; Xen-devel de...@lists.xenproject.org>
> Cc: Zhang, Haozhong ; Wei Liu
>
> Subject: Re: [Xen-devel] live migration from new
On 07/06/16 08:02, Hao, Xudong wrote:
> Does anyone experience for HVM live migration from new generation platform to
> old generation platform? For X86 got a failure from Broadwell to Haswell,
> both platforms used same Xen version 4.7.0 RC3.
>
> [root@bdw-ep1 feng]# xl migrate 21 hsw-ep1
> ...
> -Original Message-
> From: Jan Beulich [mailto:jbeul...@suse.com]
> Sent: Tuesday, June 7, 2016 3:39 PM
> To: Hao, Xudong
> Cc: Wei Liu ; Zhang, Haozhong
> ; Xen-devel
> Subject: Re: [Xen-devel] live migration from new platform to old platform
>
> >&
>>> On 07.06.16 at 09:02, wrote:
> Guessing HVM context of some new instruction can't be restored to an old
> platform. Current Xen xl has cupid parameter parsing implement "cupid" in
> guest config, like
> cupid='host,xsave=0'
> or
> cpuid=[ '1:ecx=xxx0' ]
>
> So I
