[vfio-users] (good) working GPU for passthrough?

[Bronek Kozicki]

On Wed, 13 Feb 2019, at 8:29 PM, Kyle Marek wrote:
> On 2/12/19 9:55 PM, Kyle Marek wrote:
> > On 2/11/19 9:18 PM, Alex Williamson wrote:
> >> On Mon, 11 Feb 2019 20:39:07 -0500
> >> Kyle Marek <psppsn96 at gmail.com> wrote:
> >>
> >>> On 2/10/19 8:59 PM, Kash Pande wrote:
> >>>> On 2019-02-10 5:25 p.m., Kyle Marek wrote:  
> >>>>> When I quit in the QEMU monitor, the image stays on the screen, and no
> >>>>> further host dmesg output is produced.
> >>>>>  
> >>>> You must do a full reset in the guest.  
> >>> Hmmm... other cards (GTX 780, GTX 1060), are reset when quitting from
> >>> the monitor, so I don't have to rely on a graceful guest shutdown to
> >>> avoid rebooting my host.
> >> NVIDIA cards reset properly from a bus reset.
> >>  
> >>> Do I need to wait for a reset quirk to be implemented for my card to
> >>> reset on quit/boot? It shouldn't be a condition to usage that the guest
> >>> needs to gracefully shutdown for the card to not get stuck.
> >> Don't hold your breath.
> > Good news! Radeon VII resets on guest start, but quitting QEMU from the
> > monitor leaves the card rendering its BIOS character buffer (test case
> > is quitting during SeaBIOS).
> >
> > When do PCI bus resets happen?
> >
> > Hopefully it also resets on VM start if I ever get a BIOS update with an
> > EFI ROM.
> 
> Successfully resets on EFI VM start with the EFI BIOS update applied.
> 

Niiice, where did you get it from?


B.