https://bugs.kde.org/show_bug.cgi?id=398460

            Bug ID: 398460
           Summary: Screen hotplug not working under Wayland
           Product: KScreen
           Version: 5.13.5
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: common
          Assignee: se...@kde.org
          Reporter: mayeul.can...@live.fr
  Target Milestone: ---

Not sure this is the right place.

I use a docking station with my computer (dell lattitude 5580, dell wd15).
Intel graphics, Mesa 18.2.8 (Arch). The docking station is connected over USB
C, DP alternate mode, and everything works fine under X.

Under Wayland, though, the screens are not detected when I plug the docking
station in. Everything else works fine: keyboard, mouse, network, charging,
audio, USB.

The extra screens remain blank, there is no OSD to pick the layout, and the
screens don't appear in the KCM, only the laptop's.

Moreover, when logging out, there might be a problem with SDDM or kwin (dmesg
says kwin_wayland[31085]: segfault at 556790bdc740 ip 0000556790bdc740 sp
00007ffeca4c4798 error 15) during shutdown, as the three screens are blank, and
I can't switch to a VT (even with Sysrq+R). I need to REISUB my way out of this
(S and U are logged to the screen in text mode, though).

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