http://bugs.winehq.org/show_bug.cgi?id=27758
--- Comment #3 from Xpander xpander0@gmail.com 2011-08-03 12:19:11 CDT --- Created an attachment (id=35797) --> (http://bugs.winehq.org/attachment.cgi?id=35797) Witcher 1.5 as an example here.
this happens with many games when GLSL is enabled. ati catalyst drivers 11.4 -11.7 (cant test earlier ones since no support for newer xserver/kernel) i get spam of those errors and games start to run really slow at that point.