I cal also reproduce the bug with nouveau on Lucid, with the xorg-edgers ppa (7.9.0+git20100721.ec0e7b16-0ubuntu0sarvatt~lucid).
I get the "Unable to make the stage window..." error, and a segmentation fault crash (in dri2InvalidateBuffers -- dri2_glx.c:621).
I cal also reproduce the bug with nouveau on Lucid, with the xorg-edgers ppa (7.9.0+ git20100721. ec0e7b16- 0ubuntu0sarvatt ~lucid) .
I get the "Unable to make the stage window..." error, and a segmentation fault crash (in dri2InvalidateB uffers -- dri2_glx.c:621).