[vfio-users] gpu passthrough problems after upgrade qemu 2.5 -> 2.6

[Alex Williamson]

On Mon, Jun 6, 2016 at 3:05 PM, Laszlo Ersek <lersek at redhat.com> wrote:

> On 06/04/16 23:51, Nick Sarnie wrote:
> > Hi Jiri,
> >
> > I just wanted to add that a similar issue is effecting me. With qemu
> > 2.6, I get a black screen after the seabios screen. Downgrading to 2.5.1
> > fixes it for me. I tried 2.6 with the pc-i440fx-2.5 machine type, but
> > that didn't work either.
> >
> > If anyone has any ideas, let us know.
>
> https://git-scm.com/docs/git-bisect


Also my random guess would be a change in seabios, so you might try mixing
bios.bin from a "good" qemu version with qemu-system-x86_64 from a "bad"
one.  If that works, then you'd probably want to bisect seabios.git rather
than qemu.git.
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