https://bugs.freedesktop.org/show_bug.cgi?id=84627
--- Comment #11 from Michel Dänzer michel@daenzer.net --- Created attachment 107452 --> https://bugs.freedesktop.org/attachment.cgi?id=107452&action=edit mesa: Only use two caching buffer managers again
Hmm, but if it's not the GTT_WC flag which triggers the corruption, I'm not sure what it could be...
Here's a shot in the dark, does this patch work around the problem?