https://bugs.freedesktop.org/show_bug.cgi?id=60802
--- Comment #10 from Jakob Nixdorf flocke@shadowice.org --- Ok, I tested it and I can confirm commit 325422c49449acdd8df1eb2ca8ed81f7696c38cc as the culprit for the corruption in Trine 2.
Counter Strike: Source seems to be another problem, I will bisect it tomorrow and open a new bug for it.