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From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 29 Sep 2015 14:46:07 +0200
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Subject: Re: [Qemu-devel] [PATCH v2 00/11] add virgl rendering support
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To: Max Reitz <mreitz@redhat.com>
Cc: David Airlie <airlied@linux.ie>, =?ISO-8859-1?Q?Marc-Andr=E9?= Lureau <marcandre.lureau@gmail.com>, QEMU <qemu-devel@nongnu.org>

On Mo, 2015-09-28 at 18:07 +0200, Max Reitz wrote:
> On 24.09.2015 19:09, Marc-Andr=C3=A9 Lureau wrote:
> > Hi Gerd
> >=20
> > On Thu, Sep 24, 2015 at 11:04 AM, Gerd Hoffmann <kraxel@redhat.com> w=
rote:
> >>   Hi,
> >>
> >> This patch series adds infrastructure for opengl rendering
> >> (context management, define scanout textures), adds support
> >> for this to sdl2 and gtk user interfaces and adds virgl/3d
> >> mode to virtio-gpu by hooking up the virglrenderer library.
> >>
> >> v2 fixes a bunch of issues found in patch review, which
> >> hopefully also fixes the issues seen in testing.  This works
> >> for me with both gtk3/sdl2, gl on/off, rhel7 host, fedora22
> >> guest, intel gpu hardware.
> >>
> >=20
> > I am on f22 intel gpu, gtk/glarea now works for me. However, sdl stil=
l
> > gives me a black screen.
>=20
> I, too, get a black screen, but only for the login screen. Blindly
> hitting enter and typing my password gets me past this, and then
> everything works.

Ah, *that* is probably the wayland login screen.

Known issue, wayland needs page flip support, which is not there yet
(but on the todo list).

You can turn if off for the time being in /etc/gdm/custom.conf

cheers,
  Gerd