[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Error restoring DomU when using GPLPV
On 20/08/2009 09:17, "ANNIE LI" <annie.li@xxxxxxxxxx> wrote: >> Like I said before -- unmapping the gnttab pages I think will not help you >> for live migration, but I suppose it is a reasonable thing to do anyway. For >> live migration I think xc_domain_save needs t get a bit smarter about >> Xenheap pages in HVM guests. > Yes. The live migration of windows domu with pv driver failed again > after we added unmapping gnttab and shinfo pages in suspending process. > The save process is OK, but the restore hit the similar problem. So what > should we do in windows pv driver to avoid this problem? Any suggestion > for this issue? Balloon down by (#gnttab+#shinfo) pages when PV drivers first load. You could do this instead of unmapping gnttab+shinfo pages on suspend, or as well as. Ultimately the 'right' fix will need to be implemented in Xen and dom0 tools. But the above kludge would work perfectly well I believe. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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