https://bugs.kde.org/show_bug.cgi?id=406257
--- Comment #4 from Busico Mirto Silvio <m.bus...@ieee.org> --- Additional informations: Hardware: Santech c37 (https://www.santech.eu/ ) processor Intel I7 videocard Nvidia GEForce GTX video drivers nvidia-driver-390 The strange thing is that this error apperas only on the Santech notebook. I have also an old HP Pavillion DV6 notebook which works correctly with the same software installed (Kubuntu 18.04 etc.) The correctly working HP have: processor Intel I3 videocard Nvidia GeForce GT 320M video drivers nvidia-340 -- You are receiving this mail because: You are watching all bug changes.