[Wayland-bugs] [Bug 82748] permanently black screen on ThinkPad X200

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82748

--- Comment #5 from Pekka Paalanen <ppaalanen at gmail.com> ---
Your Weston under X11 output looks like a Mesa issue. Are you able to run any
OpenGL applications on EGL on X11?

In the same environment you tried to run Weston on X11 in: can you post the
output of es2_info from mesa-demos, and check that es2tri and es2gears_x11 work
fine?

I assume OpenGL apps on GLX work just fine?

Mesa-demos is http://cgit.freedesktop.org/mesa/demos/ in case you don't have
those test programs in your distribution. After building, you can find the test
programs in src/egl/opengles2.

"function is no-op" usually means that something is not using EGL properly to
initialize GL, but I suppose it could also mean a broken Mesa installation.

Have you ever built and installed Mesa manually, from source?

Does rebuilding Weston with --with-cairo=image added to configure change
anything?

Your Weston under DRM (i.e. no X11) output looks fine on first glance, but I do
not see any of the wl_surface.frame callbacks answered, which means either the
compositor's repaint cycle is stuck or the client dies too soon.

But let's do one thing at a time, and first make sure everything works under
X11.

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