Hint: You are currently not seeing messages from other users and the system. Users in groups 'adm', 'systemd-journal' can see all messages. Pass -q to turn off this notice. -- Logs begin at Sun 2018-01-07 03:55:22 CST, end at Sun 2018-01-07 19:58:04 CST. -- 1月 07 19:28:57 hostname mate-session[677]: WARNING: Unable to find provider '' of required component 'dock' 1月 07 19:29:00 hostname brisk-menu[825]: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files 1月 07 19:29:00 hostname notification-ar[830]: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files 1月 07 19:29:00 hostname wnck-applet[831]: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files 1月 07 19:29:00 hostname clock-applet[828]: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files 1月 07 19:29:01 hostname clock-applet[828]: Negative content width -1 (allocation 1, extents 1x1) while allocating gadget (node button, owner GtkToggleButton) 1月 07 19:29:02 hostname pulseaudio[911]: [pulseaudio] pid.c: Daemon already running. 1月 07 19:29:02 hostname pulseaudio[913]: [pulseaudio] pid.c: Daemon already running. 1月 07 19:29:02 hostname brisk-menu[825]: Negative content width -10 (allocation 1, extents 5x6) while allocating gadget (node button, owner GtkToggleButton) 1月 07 19:29:02 hostname brisk-menu[825]: Negative content height -7 (allocation 1, extents 4x4) while allocating gadget (node button, owner GtkToggleButton) 1月 07 19:57:53 hostname brisk-menu[825]: gdk_window_get_origin: assertion 'GDK_IS_WINDOW (window)' failed 1月 07 19:57:53 hostname brisk-menu[825]: gdk_window_get_origin: assertion 'GDK_IS_WINDOW (window)' failed 1月 07 19:57:53 hostname brisk-menu[825]: gdk_window_get_origin: assertion 'GDK_IS_WINDOW (window)' failed 1月 07 19:58:03 hostname caja-file-manag[1837]: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files