Re: Something broke
> maybe it is only a cache problem. try to clear it.
> or a configuration problem. try to remove/add printers
Had another look today and found an outstanding print job on a switched off
network printer. I deleted that job and was able to add the 'Printers' item
again to the System Tray without crashing plasmashell.
So maybe as you suggested it was a print queue problem that caused the crash
although it is a bit surprising that this could prevent plasma from starting