Re: [Xen-devel] save & restore failed when tmem enabled in Xen 4.1 & Xen 4.3

2015-06-09 Thread Yang Hongyang
On 06/08/2015 02:30 PM, yunfang tai wrote: Hi Andrew, Thank you for your reply! I do not know much about migration V2. Was it integrated to Xen? If integrated, from which version? It's intended to be integrated to Xen4.6. However, the libxc part has already been merged into upstream

Re: [Xen-devel] save & restore failed when tmem enabled in Xen 4.1 & Xen 4.3

2015-06-07 Thread yunfang tai
Hi Andrew, Thank you for your reply! I do not know much about migration V2. Was it integrated to Xen? If integrated, from which version? Thank you!! Best Regards, Yunfang 2015-06-06 3:00 GMT+08:00 Andrew Cooper : > On 05/06/15 19:45, Konrad Rzeszutek Wilk wrote: > > On Thu, Jun 04, 2

Re: [Xen-devel] save & restore failed when tmem enabled in Xen 4.1 & Xen 4.3

2015-06-07 Thread yunfang tai
Hi Konrad, Thank you for your reply! It does not matter whether it is 1000 or not. Most of the save & restore operations will be failed when there are more than 1000 pages put in the persistent pool. Some of the operations will be success when there are not so much pages put in the persiste

Re: [Xen-devel] save & restore failed when tmem enabled in Xen 4.1 & Xen 4.3

2015-06-05 Thread Andrew Cooper
On 05/06/15 19:45, Konrad Rzeszutek Wilk wrote: > On Thu, Jun 04, 2015 at 10:27:06PM +0800, yunfang tai wrote: >> Hi all, > Hey! >> Recently, I am testing the TMEM support on Xen. I discovered that when >> enabled TMEM in ubuntu 14.10 as guest on Xen 4.1 & Xen 4.3, "xm save" & "xm >> restore“ f

Re: [Xen-devel] save & restore failed when tmem enabled in Xen 4.1 & Xen 4.3

2015-06-05 Thread Konrad Rzeszutek Wilk
On Thu, Jun 04, 2015 at 10:27:06PM +0800, yunfang tai wrote: > Hi all, Hey! > Recently, I am testing the TMEM support on Xen. I discovered that when > enabled TMEM in ubuntu 14.10 as guest on Xen 4.1 & Xen 4.3, "xm save" & "xm > restore“ failed after there are more than 1000 pages put in persi

[Xen-devel] save & restore failed when tmem enabled in Xen 4.1 & Xen 4.3

2015-06-04 Thread yunfang tai
Hi all, Recently, I am testing the TMEM support on Xen. I discovered that when enabled TMEM in ubuntu 14.10 as guest on Xen 4.1 & Xen 4.3, "xm save" & "xm restore“ failed after there are more than 1000 pages put in persistent pool of TMEM in Xen. My operations are list as follows: In ubuntu gu