Christopher Gregory wrote:
On Mon, September 15, 2014 2:32 pm, Bruce Dubbs wrote:
In a loosely related (or maybe unrelated) issue, I have a bit of a
problem testing with glxgears. I have an Intel i915 based video card. When
I use the Xorg Intel Driver-2.99.916, the above window managers
(twm, openbox, and xfce) come up fine, but glxgears gives a garbled
screen.
Removing the configuration (and renaming the driver) for the Intel
driver brings up the screen using the fbdev driver and glxgears displays
properly.
Does anyone know of anything specific needed when using the Intel driver
to get glxgears to render properly?
I am running lxde right now, though it is on a systemd system. After a
few minor glitches with the taskbar not appearing due to the package
upgrades upstream it is working perfectly.
As far as the intel driver is concearned, I too am using it on a i915 base
chipset and for me, glxgears works fine.
Are you using the Intel Driver-2.99.916? Glamor acceleration?
Experimenting a bit, I now have xorg.conf with:
Section "Module"
Load "dri2"
Load "glamoregl"
EndSection
Section "Device"
Identifier "intel"
Driver "intel"
# Option "AccelMethod" "glamor"
EndSection
With that, the Intel driver works and glxgears works. If I uncomment
the AccelMethod, I get a segfault when starting Xorg.
Of course we are now enabling glamor in the Xorg server, so I don't know
if the newest driver is consistent with that.
Xorg.0.log is giving me the following with "AccelMethod" commented out:
[ 34956.227] (II) LoadModule: "dri2"
[ 34956.228] (II) Module "dri2" already built-in
[ 34956.228] (II) LoadModule: "glamoregl"
[ 34956.228] (II) Loading /opt/xorg/lib/xorg/modules/libglamoregl.so
[ 34956.233] (II) Module glamoregl: vendor="X.Org Foundation"
[ 34956.233] compiled for 1.16.0, module version = 1.0.0
[ 34956.233] ABI class: X.Org ANSI C Emulation, version 0.4
I also have libvdpau-0.8, libvdpau-va-gl-0.3.4, libva-1.3.1, and
libva-intel-driver-1.3.2 installed, but I'm not 100% sure how they fit
in. I don't think they are relevant here, but I thought I'd mention it.
-- Bruce
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