I've encountered the following problem while starting IntelliJ IDEA via optirun:
Quick search gave me this link - https://github.com/VirtualGL/virtualgl/issues/102
Checked VirtualGL version:
Added original VirtualGL yum repo according to https://virtualgl.org/Downloads/YUM
dnf update detected a new version of VirtualGL:
After VirtualGL installation was completed, IntelliJ IDEA started successfully via optirun.
Here's an existing bug for the problem above - https://bugzilla.redhat.com/show_bug.cgi?id=1706766