With 78e35df52aa2f7d770f929a0866a0faa89c261a9 I see hangs on [AMD/ATI] Baffin [Radeon RX 560D / Pro 450/455/460/555/560] (rev e5). Specifically, when I run "Outlast" through a virgl/vtest setup with this hardware on the host, the whole X-session hangs after the very first loading screen. I can still log into the machine but even a reboot hangs and a reboot can only be forced by ctrl-alt-sysrq-B (or turning the laptop on and off). I'll try to get a host trace to add a bit more info here.
*** This bug has been marked as a duplicate of bug 110701 ***
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