For bug https://bugs.freedesktop.org/show_bug.cgi?id=76990 I can't reproduce this on this system (with Switchable Graphics enabled or disabled), therefore I think this is not the case.
For bug https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 76990
I can't reproduce this on this system (with Switchable Graphics enabled or disabled), therefore I think this is not the case.