With commit fbebd431ec4e2e461a0cbcd5f3a04a000b8f6bbf
"r600g: move invariant register updates into start_cs for r6xx-r7xx"
Enemy territory freezes about every five minutes.
Before it used to freeze every few hours.
This may be a duplicate of bug 50655. Please try the patches there.
*** This bug has been marked as a duplicate of bug 50655 ***