On Mon, May 10, 2010 at 03:25:46PM -0400, Weald Wind wrote:
> Hi Alll,
>
> Does the Xen4.0.0 include all the patches needed to support the second vga
> card passthrough?
>
Xen 4.0.0 doesn't have the patches for secondary passthrough.
> Or I have to download the unstable version and patch the source manually
> and rebuild?
>
Yes.
-- Pasi
> Thanks
>
> Charles
>
>
>
> On Mon, May 10, 2010 at 11:57 AM, Tobias Geiger
> <[1]tobias.geiger@xxxxxxxxx> wrote:
>
> Hi,
>
> i don't know if FLR is necessary - my motherboard has it (Intel DX58SO,
> also
> explicitly enabled in the BIOS), but i don't know if its a strict
> requirement,
> sorry.
>
> VGA output on the attached monitor starts with the guest OS (windows xp
> i.e.),
> meaning i dont see the qemu-bios output, no. First thing i see is the
> Windows-
> Logo like this:
>
> [2]http://www.simplehelp.net/images/boot_windows_faster/boot_faster00.png)
>
> Greetings
> Tobias
>
> Am Montag 10 Mai 2010 17:39:56 schrieb listmail:
> > When secondary vga pt is used, is FLR still required? Do you have vga
> > output as soon as the qemu bios comes up? Or is it what some people
> > report where output doesn't show up until later on in the
> kernel/windows
> > boot process? I have been hoping that maybe some experimental
> patches
> > for FLR support crop up to test vga pt again on my 8800gts.
> >
> > Tobias Geiger wrote:
> > > Hi List,
> > >
> > > many People seem to be interested in the Graphic-Card Passthrough
> Feature
> > > (for more or less obvious reasons).
> > >
> > > Official Support is still under development, and i hope not to
> interfere
> > > with it in any (bad) way ...
> > >
> > > But i remember my own painfull and timeconsuming research when i
> wanted
> > > this feature to work, so i thought perhaps this spares some time for
> the
> > > unpatient users like me :)
> > >
> > > So here is what i did to enable Passthrough of my Secondary PCIE
> > > Graphic-Card which is a NVIDIA GT200;
> > >
> > > Key thing seems to be the Patches 1 to 4
> > > (Patch #5 is only so that i have alsa-backed sound emulation , for
> some
> > > reason i have only oss-backed if not applied ?!)
> > >
> > > Before all that, you need to read out the VGA Bios of the
> > > to-be-passthroughed- Graphiccard with a tool; i used nvflash.exe
> under
> > > DOS for this task. The patches assume you saved this file as
> > > "vgabios-pt.bin"
> > >
> > > 1. check out xen unstable:
> > > hg clone [3]http://xenbits.xensource.com/xen-unstable.hg
> > > 2. go into there and do an "initial build" so that qemu-dm gets
> > > checked-out: cd xen-unstable.hg; cd tools; make ; make clean
> > > 3. apply the patches from within the "xen-unstable.hg" dir, with
> patch
> > > -p0 4. move the vgabios-pt.bin to "tools/firmware/vgabios/"
> > > 4. do a "make install"
> > >
> > > Thats it.
> > >
> > > Warning: a "make clean" deletes the "vgabios-pt.bin" file , so
> remember
> > > to put it there again before your next "make" ...
> > >
> > > After that, and assuming your hardware/bios is VT-D ready and your
> > > XEN-PCI Config is correct (kernel-cmdline, xen-configfile), the HVM
> guest
> > > should be able to work with the passedthrough-Graphicscard.
> > >
> > > Greetings, Good luck, and THANK YOU XEN-GUYS!
> > > Tobias
> > >
> > > P.S.: NONE of the patches are my origin. they were gathered from
> here
> > > (xen- devel) and endless google-researches, representing the hard
> > > brainwork of much smarter guys than me ;)
> > >
> > >
> ------------------------------------------------------------------------
> > >
> > > _______________________________________________
> > > Xen-devel mailing list
> > > [4]Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > [5]http://lists.xensource.com/xen-devel
> >
> > _______________________________________________
> > Xen-devel mailing list
> > [6]Xen-devel@xxxxxxxxxxxxxxxxxxx
> > [7]http://lists.xensource.com/xen-devel
> >
>
> _______________________________________________
> Xen-devel mailing list
> [8]Xen-devel@xxxxxxxxxxxxxxxxxxx
> [9]http://lists.xensource.com/xen-devel
>
> References
>
> Visible links
> 1. mailto:tobias.geiger@xxxxxxxxx
> 2. http://www.simplehelp.net/images/boot_windows_faster/boot_faster00.png
> 3. http://xenbits.xensource.com/xen-unstable.hg
> 4. mailto:Xen-devel@xxxxxxxxxxxxxxxxxxx
> 5. http://lists.xensource.com/xen-devel
> 6. mailto:Xen-devel@xxxxxxxxxxxxxxxxxxx
> 7. http://lists.xensource.com/xen-devel
> 8. mailto:Xen-devel@xxxxxxxxxxxxxxxxxxx
> 9. http://lists.xensource.com/xen-devel
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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