I constantly got a plasmashell crash with segmentation fault 11, Kubuntu 16.04 on VirtualBox (5.0.30). screenshot: Plasmashell crash The dialog entitled ``Plasma'' shows the next information, too (Developer Information). Application: Plasma (plasmashell), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x2afa1a0a30c0 (LWP 1913))] ... This looked random, I found a hint at https://bugs.kde.org/show_bug.cgi?id=363371 . A summary is also at Frequently crash the plasmashell . Following this hint, this is caused by the dynamic window thumbnail creation. Here is the working example of show informational Tips. show informational Tips working example But in my environment, I can crash when I make this informational Tips several times. Here is a workaround: disable show informational Tips. To do this, Use System settings. Workspace -- Desktop Behavior ...
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