http://bugs.winehq.org/show_bug.cgi?id=21962
--- Comment #84 from Sébastien Fiévet sebastien.fievet@free.fr 2010-05-30 05:22:38 --- Since you are in the process of releasing, i think i should give a status on that bug. Disabling usage of GL_ARB_map_buffer_range suppressed the crash, as of 1.2-RC1.
Thanks again for your kind support...