[vfio-users] Video out issue on Supermircro X10DRi

[Ryan Flagler]

Page 4-27 in your manual (page 97 of the PDF) shows "VGA Priority" option.
In your bios go to the "Advanced Tab", select "PCIe/PCI/PnP Configuration"
and it should be on that page.

On Tue, Nov 17, 2015 at 2:21 PM Erik Adler <erik.adler at gmail.com> wrote:

> > I know on my motherboard (SuperMicro X9DR7-LN4F) they recommending
> setting the VGA jumper to disabled. I think even
> > though you can set priority in the BIOS, setting the jumper disables
> onboard completely. Might be worth a shot.
>
> There is a jumper to disable graphics on this mobo. Ill be sure to try
> it out at first chance. I can't find anything about gpu priority in
> the bios though.
>
> On Tue, Nov 17, 2015 at 6:00 PM, Ryan Flagler <ryan.flagler at gmail.com>
> wrote:
> > I know on my motherboard (SuperMicro X9DR7-LN4F) they recommending
> setting
> > the VGA jumper to disabled. I think even though you can set priority in
> the
> > BIOS, setting the jumper disables onboard completely. Might be worth a
> shot.
> >
> > On Tue, Nov 17, 2015 at 7:14 AM Erik Adler <erik.adler at gmail.com> wrote:
> >>
> >> >Your X11 fails to start or what?
> >> >If so...
> >> >Setting BusID parameter in xorg.conf should help starting any non
> primary
> >> > GPU.
> >> >Whatever the host bios outputs via GTX980 shouldn't worry you much.
> >>
> >> Thanks for your input.
> >> Actually I don't get any video out. The only way for be to get back into
> >> BIOS was to pull out one of the GPUs. I needed to do this to set the
> BIOS
> >> back to internal graphics. Seems to be long before the OS kicks in.
> >>
> >> That is why I was wondering if there is a known hardware limitation. On
> my
> >> own system (Z10PE-D8) I have passed three GPUs but was using the
> internal
> >> video for the host. When I am back in my home town Ill have to give
> this a
> >> try.
> >>
> >> On Tue, Nov 17, 2015 at 6:38 AM, Blank Field <ihatethisfield at gmail.com>
> >> wrote:
> >>>
> >>> Your X11 fails to start or what?
> >>> If so...
> >>> Setting BusID parameter in xorg.conf should help starting any non
> primary
> >>> GPU.
> >>> Whatever the host bios outputs via GTX980 shouldn't worry you much.
> >>>
> >>> On Nov 17, 2015 4:57 AM, "Erik Adler" <erik.adler at gmail.com> wrote:
> >>>>
> >>>> *** WARNING: THE ATTACHED DOCUMENT(S) CONTAIN MACROS ***
> >>>> *** MACROS MAY CONTAIN MALICIOUS CODE ***
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> concerns
> >>>> **
> >>>>
> >>>>
> >>>> So I am testing a Supermircro X10DRi board with a Strix GTX980 GPUs.
> The
> >>>> CPUs are dual Intel Xeon E5-2630v3.  The CPU's do not  have built in
> >>>> graphics but there is a video source on the mainboard. A ASPEED
> AST2400 BMC.
> >>>> It is the crappy AST2400 that I am using for the host video.
> >>>>
> >>>> When I leave this facility the owners of this machine plan on later
> >>>> dropping in a 2ed identical GTX980 GPU for passthough. Hopefully
> Alex's
> >>>> vfio-pci-override-vga.sh can deal with that.
> >>>>
> >>>> The host machine is using BIOS not UEFI to boot. The guest is using
> >>>> libvirt, EDK2, qemu2.5, virt-manager and Linux 4.1.6 on Debian
> testing. The
> >>>> single Windows10 guest and GPU works flawless.
> >>>>
> >>>> The problem
> >>>>
> >>>> The AST2400 video chip sucks. I would like to drop in a cheapo Nvidia
> >>>> GF210 to deal with the host graphics. This is not a EFI GPU but the
> host is
> >>>> using BIOS so I would think this is not an issue. I instruct BIOS to
> use
> >>>> external video. The GTX980 is being bound to vfio-pci at init-top or
> as
> >>>> early as possible.
> >>>>
> >>>> Unfortunately I am not able to get any video out. It is as if both
> GPU's
> >>>> want to be boot-vga. I was informed in IRC that you must use a GeForce
> >>>> GTX980 as the boot GPU. Is that true?
> >>>>
> >>>> _______________________________________________
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> >>>> vfio-users at redhat.com
> >>>> https://www.redhat.com/mailman/listinfo/vfio-users
> >>>>
> >>
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