https://bugs.freedesktop.org/show_bug.cgi?id=102517
--- Comment #2 from Samuel Pitoiset samuel.pitoiset@gmail.com --- I can confirm the hang with the following environment.
OpenGL renderer string: AMD Radeon (TM) RX 480 Graphics (AMD POLARIS10 / DRM 3.19.0 / 4.13.0-rc5-ARCH+, LLVM 4.0.1) OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.2.0
But can't be reproduced with:
OpenGL renderer string: AMD Radeon (TM) RX 480 Graphics (POLARIS10 / DRM 3.19.0 / 4.13.0-rc5-ARCH+, LLVM 6.0.0) OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.3.0-devel (git-49c72d84c2)