Re: [Xen-devel] live migration from new platform to old platform

2016-06-07 Thread Hao, Xudong
> -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

Re: [Xen-devel] live migration from new platform to old platform

2016-06-07 Thread Andrew Cooper
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 > ...

Re: [Xen-devel] live migration from new platform to old platform

2016-06-07 Thread Hao, Xudong
> -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 > > >&

Re: [Xen-devel] live migration from new platform to old platform

2016-06-07 Thread Jan Beulich
>>> 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

[Xen-devel] live migration from new platform to old platform

2016-06-07 Thread Hao, Xudong
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 ... migration target: Ready to receive domain. Savin