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Re: [Xen-devel] Limitation in HVM physmap

On Mon, Nov 04, 2013 at 01:05:39PM +0100, Fabio Fantoni wrote:
> Il 04/11/2013 12:42, Wei Liu ha scritto:
> >On Mon, Nov 04, 2013 at 10:28:57AM +0100, Fabio Fantoni wrote:
> >[...]
> >>Could be a similar problem on qxl too?
> >>On latest debug about qxl time ago I found this error on domU's log:
> >>>ioremap error for 0xfc001000-0xfc002000, requested 0x10, got 0x0
> >>For details see the full post:
> >>http://lists.xen.org/archives/html/xen-devel/2013-10/msg00016.html
> >>If you need more informations and/or tests tell me and I'll post them.
> >>Thanks for any reply.
> >Is OVMF involved? If not then I don't think it's related.
> >
> >Wei.
> No, this was with seabios.
> With ovmf qxl seems to have the same critical general performance
> problem of stdvga already reported days ago.
> On my tests at the moment with me ovmf start properly only with
> Saucy using cirrus video card but when arriveto the DE has very poor
> graphics performance (not usable).

I need to fix underlying issues before attending performance related

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