[Wayland-bugs] [Bug 93451] weston 1.9 do not start with drm-backend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93451

--- Comment #5 from fausto <fausto.lenzi70 at gmail.com> ---
(In reply to Pekka Paalanen from comment #4)
> What graphics card is that, which radeon?
> 
> Could you try setting these environment variables for Weston:
> export MESA_DEBUG=1
> export EGL_LOG_LEVEL=debug
> export LIBGL_DEBUG=verbose
> 
> That would tell us which radeon driver exactly loads. The kernel log does
> mention "r200", but I don't know if that can support GL ES 2.0.
> 
> But if someone can say off-hand that this card won't support GL ES 2.0, then
> that would be the cause. Weston does not have a renderer that would support
> fixed-function GL. Then we could check if there is a way to make the error
> message better.
> 
> I suppose 'glxinfo' output from X could give hints of the card capabilities,
> too.
> 
> You could try with the weston command line argument --use-pixman, which gets
> you DRM KMS but without OpenGL.

Tanks for the tips:

00:01.0 PCI bridge: Intel Corporation 82865G/PE/P AGP Bridge (rev 02)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] R200
[
Radeon 9100]

Result of debug:

libGL search for .drirc in $HOME not in /etc. I copied /etc/drirc in
/root/.drirc.

libEGL debug: added egl_dri2 to module array
libEGL debug: the best driver is DRI2
libEGL debug: the value (0x9) of attribute 0x3040 di not meet the criteria
(0x4)

I don't know what this means.

In /usr/lib/xorg/dri there are:
i915_dri.so        nouveau_dri.so        r300_dri.so    radeonsi_dri.so
i965_dri.so        nouveau_vieux_dri.so  r600_dri.so    swrast_dri.so
kms_swrast_dri.so  r200_dri.so           radeon_dri.so  vmwgfx_dri.so

In /usr/lib/xorg/driver there are:
ati_drv.so  radeon_drv.so

In /usr/lib/mesa there are:
libEGL.so        libGL.so        libGLESv1_CM.so        libGLESv2.so
libEGL.so.1      libGL.so.1      libGLESv1_CM.so.1      libGLESv2.so.2
libEGL.so.1.0.0  libGL.so.1.2.0  libGLESv1_CM.so.1.1.0  libGLESv2.so.2.0.0

Where I can found the module egl_dri2?

Aniway weston --backend=drm-backend.so --use-pixman work perfectly.

PS:
result of glxinfo | grep render
libGL: OpenDriver: trying /usr/lib/xorg/modules/dri/tls/swrast_dri.so
libGL: OpenDriver: trying /usr/lib/xorg/modules/dri/swrast_dri.so
direct rendering: Yes
    GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, 
    GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, 
Extended renderer info (GLX_MESA_query_renderer):
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.7, 128 bits)
    GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, 
    GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_packed_depth_stencil, 
    GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, 
    GL_NV_blend_square, GL_NV_conditional_render, GL_NV_depth_clamp, 
    GL_OES_fbo_render_mipmap, GL_OES_get_program_binary, GL_OES_mapbuffer,

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