https://bugs.freedesktop.org/show_bug.cgi?id=87278
--- Comment #1 from Daniel Scharrer daniel@constexpr.org --- Created attachment 110809 --> https://bugs.freedesktop.org/attachment.cgi?id=110809&action=edit standard output from The Talos Principle and Serious Sam 3
The standard output has this repeated a few times:
radeon: The kernel rejected CS, see dmesg for more information.