https://bugs.freedesktop.org/show_bug.cgi?id=97025
--- Comment #2 from Bernd Steinhauser linux@bernd-steinhauser.de --- (In reply to Michel Dänzer from comment #1)
Please attach the Xorg log and dmesg output corresponding to the problem.
(In reply to Bernd Steinhauser from comment #0)
- x11-server/xorg-server-1.18.4::x11 2016-07-20 16:06:18 UTC
Which version of xorg-server were you using before? Does going back to that fix the problem?
Before it was 1.18.3 installed in April. I hoped that the update might improve the situation, but it didn't. So I'm pretty sure that the xorg-server update is unrelated.