Upstream bug 92522 has been reported as duplicate of bug https://bugs.freedesktop.org/show_bug.cgi?id=92504. Installing upstream kernel 4.3.0-040300rc7-generic with the patch released for this bug definitely solved my problems.
Upstream bug 92522 has been reported as duplicate of bug https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 92504. -generic with the patch released for this bug definitely solved my problems.
Installing upstream kernel 4.3.0-040300rc7