Re: [Xen-users] [Xen-devel] [SUCCESS] Xen 4.2-unstable Changeset 25099: VGA Passthrough to Windows 8 Consumer Preview HVM domU

["Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx>]

On 26/03/2012 23:49, Pasi Kärkkäinen wrote:
> On Mon, Mar 26, 2012 at 11:00:51PM +0800, Teo En Ming (Zhang Enming) wrote:
> > On 26/03/2012 22:15, Martin Wolf wrote:
> > > Am 26.03.2012 14:40, schrieb Teo En Ming (Zhang Enming):
> > > > On 26/03/2012 20:23, Pavel Mateja wrote:
> > > > > > On 26/03/2012 17:15, Pavel Mateja wrote:
> > > > > > > > Dear Xen users, developers and David Techer,
> > > > > > > >
> > > > > > > > I have just downloaded, compiled, and installed Xen 4.2-unstable
> > > > > > > > Changeset *_25099_* with Xen VGA Passthrough patches. Xen VGA
> > > > > > > > Passthrough to Windows 8 Consumer Preview HVM domU is
> > > > > > > > successful. Or I
> > > > > > > > should say *PARTIALLY* successful. Why? Please see the screenshots
> > > > > > > > below.
> > > > > > > Hi,
> > > > > > > which CPU do you have? Intel E6300?
> > > > > > > Did you notice that CPU doesn't support VT-d?
> > > > > > Dear Pavel Mateja,
> > > > > >
> > > > > > My CPU is Intel Pentium Dual Core E6300 2.8 GHz which supports Intel
> > > > > > Virtualization Technology, i.e. VT-x, not VT-d.
> > > > > >
> > > > > > BUT, my Intel DQ45CB desktop motherboard supports Intel VT-d. The
> > > > > > motherboard BIOS also has VT-d option.
> > > > > >
> > > > > > Thank you very much.
> > > > > Hi again,
> > > > > I'm affraid you have to cross-reference
> > > > > http://processormatch.intel.com/CompDB/SearchResult.aspx?BoardName=DQ45CB
> > > > >
> > > > >
> > > > > and
> > > > > http://ark.intel.com/search/advanced?VTD=true
> > > > Dear Pavel Mateja,
> > > >
> > > > I can confirm my Intel Pentium Dual Core E6300 2.8 GHz supports VT-x
> > > > and my Intel DQ45CB desktop board and motherboard BIOS supports VT-d.
> > > > Would you like to have a photo screenshot of the motherboard BIOS
> > > > showing the VT-d option? This is concrete evidence showing that my
> > > > hardware configuration supports VT-d. I can even post a video if you
> > > > want it.
> > > >
> > > > Thank you very much.
> > > afaik the vt-d support was in the chipset for the core2duo / quad
> > > series and was moved to the cpu since the core "i" series. so i guess
> > > he is right.
> > Oh I see.
> Also you can verify the VT-d IOMMU support from Xen dmesg:
> http://wiki.xen.org/wiki/Xen_Common_Problems#How_can_I_check_if_my_hardware_has_an_IOMMU_.28VT-d.29_and_it.27s_enabled_and_supported.3F
>
> -- Pasi
Pasi,

Thank you for the link.

--
Yours sincerely,

Mr. Teo En Ming (Zhang Enming)
Singapore


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