http://bugs.winehq.org/show_bug.cgi?id=29729
--- Comment #2 from Henri Verbeet hverbeet@gmail.com 2012-01-28 11:56:58 CST --- (In reply to comment #1)
If you do not like wine messages - disable them with WINEDEBUG=-all
Most of the time GL errors are actual bugs in either wined3d or the driver, hence the ERR debug class. Probably still a duplicate of bug 17402 though.