https://bugs.freedesktop.org/show_bug.cgi?id=73785
--- Comment #6 from Lukas Kahnert openproggerfreak@gmail.com --- Yeah it helps
With R600_DEBUG=nohyperz there were no hangs in TF2 or Rust(both had the same Problem)
I saw HyperZ in now disabled by default so R600_DEBUG is not longer needed.