https://bugs.kde.org/show_bug.cgi?id=397389
--- Comment #7 from thflo...@gmail.com --- (In reply to trmdi from comment #6) > Try this workaround: QT_XCB_FORCE_SOFTWARE_OPENGL = 1 falkon > https://bbs.archlinux.org/viewtopic.php?id=238108 Thanks for helpful hint and background info. Success, this workaround works here on my Debian sid install with Nvidia card and kernel modesetting! $ inxi -G Graphics: Card-1: NVIDIA GT218 [GeForce 210] driver: nouveau v: kernel Display: x11 server: X.Org 1.20.0 driver: modesetting unloaded: fbdev resolution: 1920x1080~60Hz OpenGL: renderer: NVA8 v: 3.3 Mesa 18.1.5 $ LANG=C dpkg -l *qt5webengine* Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version +++-=====================================================-===================== ii libqt5webengine-data 5.11.1+dfsg-5 ii libqt5webengine5:amd64 5.11.1+dfsg-5 ii libqt5webenginecore5:amd64 5.11.1+dfsg-5 ii libqt5webenginewidgets5:amd64 5.11.1+dfsg-5 -- You are receiving this mail because: You are watching all bug changes.