radv always waits for all fences. It potentially harms applications which want to do some work when any fence is signaled. The following message is spammed:
radv: WaitForFences without waitAll not implemented yet
https://patchwork.freedesktop.org/patch/206938/ should fix this.
Jozef, can you confirm that https://cgit.freedesktop.org/mesa/mesa/commit/?id=2a404c6f923880cfd0bc04f9db1890cadce8bd92 fixes the issue? Thanks!
Thanks for fixing it quickly.