Re: [Xen-devel] Error restoring DomU when using GPLPV

[ANNIE LI <annie.li@xxxxxxxxxx>]

Hi
> Just finished test,  live migration works well on winpv domu after 
> ballooning down those pages when pv driver first load.
After more test, i find there are some problem with this method: 
ballooning down those pages when pv driver first load.
If i balloon down those pages when driver first load, save/restore can 
only work only once, and the migration can not work. It seems that a 
restored vm lost those pages ballooned down. For migration, destination 
does not have those pages which ballooned down on source.
But if i balloon down those pages every time(not driver first load),  i 
tested save/restore/migration for several times, and all work fine.  But 
the domu will waste lots of memory in this situation.
I will do more test about this and update here.

Thanks
Annie.

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