At my ThinkPad T400 I observed it while running a wine test case. The valgrind log can be derived from here : http://bugs.winehq.org/show_bug.cgi?id=28198 I'm running kernel 2.6.39.4, mesa 7.11, intel driver 2.16, xorg server 1.11
solved by bug #40439 *** This bug has been marked as a duplicate of bug 40439 ***
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.