https://bugs.freedesktop.org/show_bug.cgi?id=90217
--- Comment #2 from Christoph Haag haagch@frickel.club --- Created attachment 115456 --> https://bugs.freedesktop.org/attachment.cgi?id=115456&action=edit dmesg with graphical output hang
It can also have more severe consequences and require a reboot, see dmesg.
I'll use R600_DEBUG=ps,vs,gs next time. It can take quite a while to trigger it, I hope it won't produce too much data.