https://bugs.freedesktop.org/show_bug.cgi?id=104306
--- Comment #11 from Sergey Kvachonok ravenexp@gmail.com --- I can confirm that switching from radeon to amdgpu on
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn XT [Radeon HD 7870 GHz Edition]
Device: AMD Radeon HD 7800 Series (PITCAIRN / DRM 3.19.0 / 4.14.11-1-ARCH, LLVM 5.0.1) (0x6818)
fixes the issue.