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

[ANNIE LI <annie.li@xxxxxxxxxx>]

> It seems this problem is connected with gnttab, not shareinfo.
> I changed some code about grant table in winpv driver (not using 
> balloon down shinfo+gnttab method), save/restore/migration can work 
> properly on Xen3.4 now.
> What i changed is winpv driver use hypercall XENMEM_add_to_physmap to 
> map corresponding grant tables which devices require, instead of 
> mapping all 32 pages grant table during initialization.  It seems 
> those extra grant table mapping cause this problem. 
Wondering whether those extra grant table mapping is the root cause of 
the migration problem? or by luck as linux PVHVM too?
Thanks
Annie.


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