Upgraded from desktop 4.9.56-1.mga6 (/boot/vmlinuz-4.9.56-desktop-1.mga6)
to desktop 4.14.10-1.mga6 (/boot/vmlinuz-4.14.10-desktop-1.mga6)
Unit hangs on this last line in dmesg
1.688999 [DRM] AMDGPU KERNEL MODESETTING ENABLED.
1.695551 AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de>
1.700270 AMD IOMMUv2 functionality not available on this system
1.711110 CRAT table not found
1.715877 Finished initializing topology ret=0
1.720701 kfd kfd:Initialized module
1.725663 fb: switching to amdgpudrmfb from VESA VGA