https://bugs.kde.org/show_bug.cgi?id=366284

            Bug ID: 366284
           Summary: Compositor crashes after using dashboard until icon in
                    systray is closed
           Product: plasmashell
           Version: 5.7.2
          Platform: Archlinux Packages
               URL: https://drive.google.com/open?id=0B0aDRLQv6ztAc1A0XzUz
                    d0NtSVU
                OS: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: System Tray
          Assignee: plasma-b...@kde.org
          Reporter: zhugoz.r...@gmail.com

Use of application dashboard seemingly brings the cowpositor (GLX 3.1 on ATI
with catalyst) to crash. A black square appears on the menu icon in the panel
and there is no more transparency or whatever.

FTW, panel is **located on top of the screen**, so the menu icon is on the
upper-left corner.

Any attempt to restart the compositor (eg killall plasmashell && kstart
plasmashell) will fail until every 3rd party apps' icons (telegram, skype, ...)
is clicked once.

When the latter is done, the black square disappears and a killall-kstart
brings the compositor back to life.

The figure shows in 1) where the black square appears and 2) what to click

Reproducible: Couldn't Reproduce

Steps to Reproduce:
1. Open Applications Dashboard
2. Click an icon
3. Crash ?


Expected Results:  
Open the application dashboard and launch the clicked icon.

This could be a GL problem, probably caused by the driver. The system is an
arch linux with the catalyst driver installed, xorg version freezed to 1.6.

It may be important to notice that the bug 362531
(https://bugs.kde.org/show_bug.cgi?id=362531) is also present, I issue killall
and kstart at each login.

I'm aware this is certainly a niche problem, and that the bug is unreproducible
exept randomly, I just hope this bug will help undertand others.

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