http://bugs.winehq.org/show_bug.cgi?id=35718
--- Comment #52 from Kyle walmartshopper@msn.com --- The windows version in my steam prefix somehow got changed to XP. I changed it back to 7 and cs:go is now performing well again with wine 1.7.17, multicore rendering, and attachment 48193. Thanks for the patch, and sorry for bringing in an unrelated issue.