https://bugs.freedesktop.org/show_bug.cgi?id=37417
--- Comment #5 from Martin Gräßlin mgraesslin@kde.org 2011-06-17 12:09:30 PDT --- Thanks for the hint with the driver path. I just tried with the egl_dri2 driver and there the issue is *not* present.
Here the debug output:
libEGL debug: EGL search path is /usr/lib/egl libEGL debug: added /usr/lib/egl/egl_dri2.so to module array libEGL debug: added /usr/lib/egl/egl_gallium.so to module array libEGL debug: added /usr/lib/egl/egl_glx.so to module array libEGL debug: dlopen(/usr/lib/egl/egl_dri2.so) libEGL debug: DRI2: dlopen(/usr/lib/dri/r600_dri.so) libEGL debug: DRI2: found extension `DRI_Core' libEGL info: DRI2: found extension DRI_Core version 1 libEGL debug: DRI2: found extension `DRI_Legacy' libEGL debug: DRI2: found extension `DRI_DRI2' libEGL info: DRI2: found extension DRI_DRI2 version 2 libEGL debug: DRI2: found extension `DRI_ReadDrawable' libEGL debug: DRI2: found extension `DRI_CopySubBuffer' libEGL debug: DRI2: found extension `DRI_SwapControl' libEGL debug: DRI2: found extension `DRI_MediaStreamCounter' libEGL debug: DRI2: found extension `DRI_TexBuffer' libEGL info: DRI2: found extension DRI_TexBuffer version 2 libEGL debug: DRI2: found extension `DRI2_Flush' libEGL info: DRI2: found extension DRI2_Flush version 3 libEGL debug: DRI2: found extension `DRI_IMAGE' libEGL info: DRI2: found extension DRI_IMAGE version 1 libEGL debug: DRI2: found extension `DRI_CONFIG_QUERY' libEGL debug: the best driver is DRI2 (score 100) libEGL debug: DRI2: dlopen(/usr/lib/dri/r600_dri.so) libEGL debug: DRI2: found extension `DRI_Core' libEGL info: DRI2: found extension DRI_Core version 1 libEGL debug: DRI2: found extension `DRI_Legacy' libEGL debug: DRI2: found extension `DRI_DRI2' libEGL info: DRI2: found extension DRI_DRI2 version 2 libEGL debug: DRI2: found extension `DRI_ReadDrawable' libEGL debug: DRI2: found extension `DRI_CopySubBuffer' libEGL debug: DRI2: found extension `DRI_SwapControl' libEGL debug: DRI2: found extension `DRI_MediaStreamCounter' libEGL debug: DRI2: found extension `DRI_TexBuffer' libEGL info: DRI2: found extension DRI_TexBuffer version 2 libEGL debug: DRI2: found extension `DRI2_Flush' libEGL info: DRI2: found extension DRI2_Flush version 3 libEGL debug: DRI2: found extension `DRI_IMAGE' libEGL info: DRI2: found extension DRI_IMAGE version 1 libEGL debug: DRI2: found extension `DRI_CONFIG_QUERY' libEGL debug: the best driver is DRI2 (score 100)