https://bugs.freedesktop.org/show_bug.cgi?id=43096
--- Comment #3 from Marek Olšák maraeo@gmail.com 2011-11-20 07:35:27 PST --- I pushed the branch anyway because it fixes some other bugs.
What happens if you do in r300_draw_vbo:
info.max_index = max_count == ~0 ? 0xffffff : max_count - 1;