PyCharm incredibly slow on Ubuntu 20.04?!

I just installed PyCharm 2021.1.1 (Professional Edition) on my new PC (Ubuntu 20.04) using Jetbrains Toolbox. It is extremely slow and it is impossible to work with it. I have no plugins installed. I have this problem with all Jetbrains IDEs (WebStorms, IntelliJ, DataGrip)

Recording of my PyCharm

I have already increased the VM options to the following settings:

-Xms2048m
-Xmx2048m
-XX:ReservedCodeCacheSize=2048m

But, it doesn't help. Any ideas?

 

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Fixed it by uninstalling fakexrandr (https://github.com/phillipberndt/fakexrandr) [make uninstall]. It crashed my Nvidia driver and this caused the extremely slow GUI.

 

For details and logs visit: https://github.com/phillipberndt/fakexrandr/issues/64

 

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