https://bugs.freedesktop.org/show_bug.cgi?id=60294

--- Comment #12 from René Blokland pe1bms@gmail.com --- (In reply to comment #9)

Does setting the environment variable R600_LLVM=0 or building Mesa without --enable-r600-llvm-compiler work around the problem?

without --enable-r600-llvm-compiler there is no change but R600_LLVM=0 solves everything. Thanks