https://bugs.kde.org/show_bug.cgi?id=407216
--- Comment #4 from Danfox Davies <dan...@protonmail.com> --- $ journalctl -f | grep --line-buffered kde May 04 20:08:52 The-Pot-of-Gold dbus-daemon[1619]: [session uid=1000 pid=1619] Activating service name='org.kde.Spectacle' requested by ':1.219' (uid=1000 pid=12144 comm="/usr/lib/x86_64-linux-gnu/qt4/bin/qdbus org.kde.Sp" label="kernel") May 04 20:08:52 The-Pot-of-Gold dbus-daemon[1619]: [session uid=1000 pid=1619] Successfully activated service 'org.kde.Spectacle' May 04 20:09:38 The-Pot-of-Gold org.kde.Spectacle[1619]: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 1528, resource id: 30343069, major code: 14 (GetGeometry), minor code: 0 This was the log while reproducing the crash with the Firefox window stretched across a monitor to the right. The bug is confirmed not to occur when Firefox is only on one monitor. Info from the Nvidia X Server Settings app Linux x86_64 Nividia proprietary driver 390.116 X.org 11.0 / 1.19.6 (11906000) 'Screens': 1 (but there are two full HD monitors) NV-Control 1.29 -- You are receiving this mail because: You are watching all bug changes.