Re: [Xen-devel] Re: Xen-unstable save error

[Michal Novotny <minovotn@xxxxxxxxxx>]

On 06/21/2010 07:57 PM, Keir Fraser wrote:
> On 21/06/2010 15:50, "Michal Novotny"<minovotn@xxxxxxxxxx>  wrote:
>
>    
> > Well, I see what's going on now but I had to turn on the debug flag now.
> > According to the code, this is what's being hit per almost each page and
> > MFN:
> >
> > ...
> >                   if ( pfn_type[j] == XEN_DOMCTL_PFINFO_XTAB )
> >                   {
> >                       printf("type fail: page %i mfn %08lx\n", j, gmfn);
> >                       continue;
> >                   }
> > ...
> >
> > Xend.log is having many occurences of type failures:
> >      
> Hm, well I just saved/restored a 750MB PV guest and a 750MB HVM guest okay
> with xen-unstable tip. However I think the above type-checking code may only
> have been introduced for HVM guests as of Jan Beulich's recent changeset
> 21615. If your guest is an HVM guest, perhaps this changeset is to blame? I
> would suggest reverting it and re-testing. I've cc'ed Jan in case he can
> comment on the info you've given.
>    
Keir,
you were right about the c/s 21615. I did try reverting it and it was 
working fine to both save and restore when I was having this patch reverted.
Michal

--
Michal Novotny<minovotn@xxxxxxxxxx>, RHCE
Virtualization Team (xen userspace), Red Hat


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