El escritorio de Gnome Shell falló en 17.10. Esto es lo que journalctltenía que decir.
Nov 02 22:44:04 HP-ProBook-450-G1 kernel: atkbd serio0: Unknown key pressed (translated set 2, code 0xa6 on isa0060/serio0).
Nov 02 22:44:04 HP-ProBook-450-G1 kernel: atkbd serio0: Use 'setkeycodes e026 <keycode>' to make it known.
Nov 02 22:45:02 HP-ProBook-450-G1 kernel: do_general_protection: 62 callbacks suppressed
Nov 02 22:45:02 HP-ProBook-450-G1 kernel: traps: gnome-shell[1638] general protection ip:7f56c0948de2 sp:7ffdaf215490 error:0 in libgobject-2.0.so.0.5400.1[7f56c0913000+52000]
Nov 02 22:45:50 HP-ProBook-450-G1 gnome-terminal-[2466]: Error reading events from display: Broken pipe
Nov 02 22:45:50 HP-ProBook-450-G1 update-notifier[2408]: Error reading events from display: Broken pipe
Nov 02 22:45:50 HP-ProBook-450-G1 indicator-cpufr[1937]: Error reading events from display: Broken pipe
Nov 02 22:45:50 HP-ProBook-450-G1 telepathy-indic[2052]: Error reading events from display: Broken pipe
Nov 02 22:45:50 HP-ProBook-450-G1 systemd[1513]: gnome-terminal-server.service: Main process exited, code=exited, status=1/FAILURE
Nov 02 22:45:50 HP-ProBook-450-G1 systemd[1513]: gnome-terminal-server.service: Unit entered failed state.
Nov 02 22:45:50 HP-ProBook-450-G1 systemd[1513]: gnome-terminal-server.service: Failed with result 'exit-code'.
Nov 02 22:45:50 HP-ProBook-450-G1 org.gnome.Shell.desktop[1638]: (EE)
Nov 02 22:45:50 HP-ProBook-450-G1 org.gnome.Shell.desktop[1638]: Fatal server error:
Nov 02 22:45:50 HP-ProBook-450-G1 org.gnome.Shell.desktop[1638]: (EE) failed to read Wayland events: Connection reset by peer
Nov 02 22:45:50 HP-ProBook-450-G1 org.gnome.Shell.desktop[1638]: (EE)
Nov 02 22:45:50 HP-ProBook-450-G1 polkitd(authority=local)[1005]: Unregistered Authentication Agent for unix-session:2 (system bus name :1.75, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_GB.UTF-8) (disconnected from bus)
Nov 02 22:45:50 HP-ProBook-450-G1 gnome-session[1529]: gnome-session-binary[1529]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11
Nov 02 22:45:50 HP-ProBook-450-G1 gnome-session-binary[1529]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11
Nov 02 22:45:50 HP-ProBook-450-G1 gnome-session-binary[1529]: Unrecoverable failure in required component org.gnome.Shell.desktop
Nov 02 22:45:50 HP-ProBook-450-G1 org.gnome.SettingsDaemon.Power.desktop[1778]: xcb_connection_has_error() returned true
Nov 02 22:45:50 HP-ProBook-450-G1 bluetoothd[985]: Endpoint unregistered: sender=:1.80 path=/MediaEndpoint/A2DPSource
Nov 02 22:45:50 HP-ProBook-450-G1 bluetoothd[985]: Endpoint unregistered: sender=:1.80 path=/MediaEndpoint/A2DPSink
Nov 02 22:45:50 HP-ProBook-450-G1 org.gnome.Shell.desktop[1638]: xcb_connection_has_error() returned true
Nov 02 22:45:50 HP-ProBook-450-G1 gsd-rfkill[1782]: g_object_notify: object class 'CcRfkillGlib' has no property named 'kernel-noinput'
Nov 02 22:45:51 HP-ProBook-450-G1 kernel: rfkill: input handler enabled
Nov 02 22:45:51 HP-ProBook-450-G1 gdm-password][1509]: pam_unix(gdm-password:session): session closed for user
Nov 02 22:45:51 HP-ProBook-450-G1 gsd-color[1401]: failed to connect to profile: Failed to connect to missing profile /org/freedesktop/ColorManager/profiles/icc_fc801af25bb2d5d61da96405d23ff139__1000
Nov 02 22:45:51 HP-ProBook-450-G1 gsd-color[1401]: failed to connect to device: Failed to connect to missing device /org/freedesktop/ColorManager/devices/xrandr_AU_Optronics__1000
Nov 02 22:45:51 HP-ProBook-450-G1 spacenavd[980]: Lost the X server!
Nov 02 22:45:51 HP-ProBook-450-G1 org.a11y.atspi.Registry[1669]: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0"
Nov 02 22:45:51 HP-ProBook-450-G1 org.a11y.atspi.Registry[1669]: after 44325 requests (44325 known processed) with 0 events remaining.
Nov 02 22:45:51 HP-ProBook-450-G1 dbus[900]: [system] Rejected send message, 2 matched rules; type="error", sender=":1.1" (uid=0 pid=890 comm="/lib/systemd/systemd-logind ") interface="(unset)" member="(unset)" error name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" destination=":1.31" (uid=128 pid=1174 comm="/usr/bin/gnome-shell ")
Nov 02 22:45:51 HP-ProBook-450-G1 systemd-logind[890]: Removed session 2.