[Lazarus] Find in files crashes Cinnamon

[C Western]

On 13/11/2019 21:00, Florian Klämpfl via lazarus wrote:
> Recently, I tried again to work with Linux Mint when developing FPC. 
> For FPC development I use normally lazarus from trunk, typical updated 
> very few weeks. For navigation in the code I use "Find in files" from 
> time to time, e.g. when looking where a certain internal error is 
> thrown. I call the Find in files dialog by Ctrl-Shift-F. Sometimes, 
> this action crashes Cinnamon completely: mouse still works but nothing 
> is clickable anymore (Ctrl-Alt-Fx still works so the kernel is 
> apparently still fine). Often, Ctrl-Alt-Esc can be used to restart 
> Cinnamon after some time, sometimes Cinnamon de-freezes after some 
> second and shows a dialog box that it crashed, restarted and is now in 
> safe mode (or how it is called). The most annoying part of these 
> crashes is that all windows are moved to the first virtual desktop 
> besides that the fact that sometimes only a reboot helps to recover.
>
> Does anybody have an idea where this could come from or how I could 
> track this down (and no, the normal answer one gets when asking such 
> things about linux that I should try KDE or Gnome or any other of the 
> umpteen desktops, is not a solution).
It sounds like a bug in the desktop but:

Is Ctrl-Shift-F one of the keyboard shortcuts handled by the desktop in 
your configuration? Does Ctrl-Shift-F work as a shortcut in other 
applications?

Colin