https://bugs.freedesktop.org/show_bug.cgi?id=107991
--- Comment #4 from Michel Dänzer michel@daenzer.net --- (In reply to kyle.devir from comment #3)
What kernel and Mesa drivers, and versions, are you using?
amdgpu from kernel 4.18.8 + DRM changes for 4.19, Mesa Git master + LLVM trunk.
It's likely a GPU specific issue in radeonsi.