id summary reporter owner description type status component version resolution keywords cc guest host 18116 5.2.20: Linux guests with X.Org Server 1.20 and 3D enabled fail to boot to desktop -> fixed after (not in) 5.2.20 Michael Thayer Linux guests with X.Org Server 1.20 and 3D enabled boot to a black screen. Switching to a virtual terminal works. The systemd journal shows that the X server is crashing in strstr called from glamour_init_egl. defect closed guest additions/x11/graphics VirtualBox 5.2.20 fixed other other