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glxgears/es2gears on X11 and Ubuntu 12.04/armel show only black rectangle

Question asked by Benjamin Federau on Sep 2, 2013
Latest reply on Sep 20, 2013 by Benjamin Federau



my current rootfs setup on an iMX6Q is

- Ubuntu 12.04 armel (without Unity)

- imx_3.0.35_4.0.0 kernel

- Xorg server 1.11.4

- gpu-viv-bin-mx6q-3.0.35-4.0.0.bin

- xserver-xorg-video-imx-viv-3.0.35-4.0.0.tar.gz


I have the Xorg server running without any window manager and when I start the glxgears or the es2gears example app I see just a black rectangle.

Only starting the glxgears with the -fullscreen argument shows the glxgears in a small rectangle on the left bottom of the screen. (so no fullscreen at all ...)


It seems that my problem here is similar to that two posts!?!

Re: gpu libs 4.6.9-p9 with x11 (DRI): full-screen only ?

Black rendering of windowed Open GLES applications on iMX6 Vivante under X11


With the Freescale Ubuntu Oneiric 4.0.0 rootfs the glxgears and es2gears example app works. One difference is that I does not use Unity on my 12.04 precise rootfs.


Any hints to solve this issue are welcome.




Benjamin Federau