[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: Xen-unstable save error
>>> On 22.06.10 at 08:23, Michal Novotny <minovotn@xxxxxxxxxx> wrote: > Jan, as we were solving this with Keir on the list I was unable to save > the HVM guest properly and reverting your c/s 21615 helped and with your > patch reverted it was working fine. Any idea why there were so type > failures for all the pages of HVM guest? Not really, and I think you will need to find out by instrumenting the hypercall implementation (XEN_DOMCTL_getpageframeinfo{2,3}) - really, type failures should only happen for grant frames and I/O memory pages (as you can see in the code, for the function to report XTAB either the MFN must be invalid, must be a Xen frame, or it must be impossible to obtain a reference to the page - all of which shouldn't hold for the majority of a HVM guest's pages). Btw., Keir, is it really correct for the type to be returned as zero (normal page) when xsm_getpageframeinfo() returns non-zero? Is there anything special about the guest you're trying to save? That patch was tested quite extensively here before submission... Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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