KDE session running on tty7. Switch to VT session on tty2. End the tty2 session and return to KDE session on tty7. KDE session is frozen. Have to <Ctrl-Alt-2timesBackspace> to resume the KDE session -- login again … Qt: 5.9.4 KDE Frameworks: 5.45.0 plasmashell 5.12.5 openSUSE Leap 15.0 Systemd Journal: Aug 04 17:11:33 xxx systemd[1]: Started Getty on tty2. Aug 04 17:11:48 xxx systemd[1]: Created slice User Slice of root. Aug 04 17:11:48 xxx systemd[1]: Starting User Manager for UID 0... Aug 04 17:11:48 xxx systemd-logind[2405]: New session 3 of user root. Aug 04 17:11:48 xxx systemd[1]: Started Session 3 of user root. Aug 04 17:11:48 xxx systemd[3623]: pam_unix(systemd-user:session): session opened for user root by (uid=0) Aug 04 17:11:48 xxx systemd[3623]: Reached target Timers. Aug 04 17:11:48 xxx systemd[3623]: Reached target Paths. Aug 04 17:11:48 xxx systemd[3623]: Starting D-Bus User Message Bus Socket. Aug 04 17:11:48 xxx systemd[3623]: Listening on D-Bus User Message Bus Socket. Aug 04 17:11:48 xxx systemd[3623]: Reached target Sockets. Aug 04 17:11:48 xxx systemd[3623]: Reached target Basic System. Aug 04 17:11:48 xxx systemd[3623]: Reached target Default. Aug 04 17:11:48 xxx login[3622]: pam_unix(login:session): session opened for user root by LOGIN(uid=0) Aug 04 17:11:48 xxx systemd[3623]: Startup finished in 34ms. Aug 04 17:11:48 xxx systemd[1]: Started User Manager for UID 0. Aug 04 17:11:48 xxx login[3622]: ROOT LOGIN ON tty2 Aug 04 17:15:57 xxx login[3622]: pam_unix(login:session): session closed for user root Aug 04 17:15:57 xxx systemd[1]: getty@tty2.service: Service has no hold-off time, scheduling restart. Aug 04 17:15:57 xxx systemd[1]: Stopped Getty on tty2. Aug 04 17:15:57 xxx systemd[1]: Started Getty on tty2. Aug 04 17:15:57 xxx systemd-logind[2405]: Removed session 3. Aug 04 17:15:57 xxx systemd[1]: Stopping User Manager for UID 0... Aug 04 17:15:57 xxx systemd[3623]: Stopped target Default. Aug 04 17:15:57 xxx systemd[3623]: Stopped target Basic System. Aug 04 17:15:57 xxx systemd[3623]: Stopped target Timers. Aug 04 17:15:57 xxx systemd[3623]: Stopped target Paths. Aug 04 17:15:57 xxx systemd[3623]: Stopped target Sockets. Aug 04 17:15:57 xxx systemd[3623]: Closed D-Bus User Message Bus Socket. Aug 04 17:15:57 xxx systemd[3623]: Reached target Shutdown. Aug 04 17:15:57 xxx systemd[3623]: Starting Exit the Session... Aug 04 17:15:57 xxx systemd[3623]: Received SIGRTMIN+24 from PID 3847 (kill). Aug 04 17:15:57 xxx systemd[3624]: pam_unix(systemd-user:session): session closed for user root Aug 04 17:15:57 xxx systemd[1]: Stopped User Manager for UID 0. Aug 04 17:15:57 xxx systemd[1]: Removed slice User Slice of root. Aug 04 17:16:42 xxx plasmashell[2720]: QXcbConnection: XCB error: 2 (BadValue), sequence: 30040, resource id: 125829143, major code: 142 (Unknown), minor code: 3 Aug 04 17:16:47 xxx kuiserver5[3260]: Qt: Couldn't interpret the _XKB_RULES_NAMES property Aug 04 17:16:47 xxx klauncher[2673]: Qt: Couldn't interpret the _XKB_RULES_NAMES property Aug 04 17:16:47 xxx kdeinit5[2672]: kdeinit5: Fatal IO error: client killed Aug 04 17:16:47 xxx kdeinit5[2672]: kdeinit5: sending SIGHUP to children. Aug 04 17:16:47 xxx kuiserver5[3260]: Qt: failed to retrieve the virtual modifier names from XKB Aug 04 17:16:47 xxx kuiserver5[3260]: Qt: failed to retrieve the virtual modifier map from XKB Aug 04 17:16:47 xxx kuiserver5[3260]: The X11 connection broke (error 1). Did the X11 server die? Aug 04 17:16:47 xxx kdeinit5[2672]: kdeinit5: sending SIGTERM to children. Aug 04 17:16:47 xxx kdeinit5[2672]: kdeinit5: Exit. Aug 04 17:16:47 xxx ksmserver[2697]: QProcess: Destroyed while process ("kwin_x11") is still running. Aug 04 17:16:47 xxx kglobalaccel5[2683]: Qt: Couldn't interpret the _XKB_RULES_NAMES property Aug 04 17:16:47 xxx dbus-daemon[2586]: [session uid=1000 pid=2586] Activating service name='org.kde.kglobalaccel' requested by ':1.5' (uid=1000 pid=2676 comm="kded5 [kdeinit5] ") Aug 04 17:16:47 xxx kglobalaccel5[2683]: Qt: failed to retrieve the virtual modifier names from XKB Aug 04 17:16:47 xxx kglobalaccel5[2683]: Qt: failed to retrieve the virtual modifier map from XKB Aug 04 17:16:47 xxx kglobalaccel5[2683]: The X11 connection broke (error 1). Did the X11 server die? Aug 04 17:16:47 xxx klauncher[2673]: Qt: failed to retrieve the virtual modifier names from XKB Aug 04 17:16:47 xxx klauncher[2673]: Qt: failed to retrieve the virtual modifier map from XKB
With openSUSE Leap 15.1, this is no longer an issue on this AMD hardware platform. Qt: 5.9.7 KDE Frameworks: 5.55.0 plasmashell 5.12.8