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



On Mon, Jun 6, 2016 at 3:05 PM, Laszlo Ersek <lersek 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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