https://bugs.freedesktop.org/show_bug.cgi?id=71930
--- Comment #12 from Mike Lothian mike@fireburn.co.uk --- I think that was when I was playing around with the dynamic shutdown patches in one of Dave's git branches - which explains why I haven't really noticed this until now - I rarely used switcheroo
This is also possibly related to https://bugzilla.kernel.org/show_bug.cgi?id=61891