(In reply to dex+fdobugzilla from comment #4) > So this is either a LLVM or Mesa Issue. > > I will now compile latest Mesa with LLVM 225080 and see if that works. I tried LLVm 22508 with Mesa Git(2335153) with Changeset a8ef880a1b38cbcfc26e9f829338739d16cece99 reverted: No Lockups I guess its LLVM then. I continue with LLVM bisecting