无论我如何尝试锁定屏幕（Super + L、菜单项或超时），屏幕都会尝试锁定，但会冻结一秒钟，然后恢复正在运行的 gnome 会话。如果我之后再次尝试，我的会话会冻结，必须重新启动。
如果我的计算机停留在常规登录屏幕且没有用户登录，它将遵守电源设置，并在 10 分钟后关闭屏幕。
以下是崩溃时我的 Syslog 的转储。
gnome-shell[10234]: Extension "[email protected]" had error: TypeError: dockManager is null
gnome-software[10414]: no app for changed [email protected]
gnome-software[10414]: no app for changed [email protected]
gnome-shell[10234]: The actor 'ShellGenericContainer' is currently being destroyed, and cannot be added as a child of another actor.
gnome-software[10414]: no app for changed [email protected]
gnome-software[10414]: no app for changed [email protected]
gnome-software[10414]: no app for changed [email protected]
gnome-shell[10234]: ../../../../gobject/gsignal.c:2641: instance '0x55b266c13730' has no handler with id '10398'
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: clutter_layout_manager_get_child_meta: assertion 'CLUTTER_IS_LAYOUT_MANAGER (manager)' failed
gnome-shell[10234]: g_object_set: assertion 'G_IS_OBJECT (object)' failed
gnome-shell[10234]: message repeated 2 times: [ g_object_set: assertion 'G_IS_OBJECT (object)' failed]
gnome-software[10414]: no app for changed [email protected]
gnome-software[10414]: no app for changed [email protected]
gnome-software[10414]: no app for changed [email protected]
gnome-shell[10234]: WARNING: addSignalMethods is replacing existing [0x55b2699452b0 Gjs_ShowAppsIcon.dash-item-container] connect method
gnome-shell[10234]: WARNING: addSignalMethods is replacing existing [0x55b2699452b0 Gjs_ShowAppsIcon.dash-item-container] disconnect method
gnome-shell[10234]: WARNING: addSignalMethods is replacing existing [0x55b2699452b0 Gjs_ShowAppsIcon.dash-item-container] emit method
gnome-shell[10234]: Settings schema 'org.gnome.shell.extensions.dash-to-dock' does not contain a key named 'customize-alphas'
kernel: [38115.855449] traps: gnome-shell[10234] trap int3 ip:7fc0a6738961 sp:7ffe8d7e77b0 error:0 in libglib-2.0.so.0.5400.1[7fc0a66e8000+111000]
gnome-session[10148]: gnome-session-binary[10148]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 5
gnome-session-binary[10148]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 5
gsd-media-keys[10337]: Couldn't lock screen: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-0: disconnected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-0: Internal TMDS
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-0: 330.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): Ancor Communications Inc MX279 (DFP-1): connected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): Ancor Communications Inc MX279 (DFP-1): Internal TMDS
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): Ancor Communications Inc MX279 (DFP-1): 600.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-2: disconnected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-2: Internal DisplayPort
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-2: 1440.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-3: disconnected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-3: Internal TMDS
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-3: 165.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-4: disconnected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-4: Internal DisplayPort
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-4: 1440.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-5: disconnected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-5: Internal TMDS
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-5: 165.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-6: disconnected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-6: Internal DisplayPort
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-6: 1440.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-7: disconnected
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-7: Internal TMDS
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0): DFP-7: 165.0 MHz maximum pixel clock
/usr/lib/gdm3/gdm-x-session[10136]: (--) NVIDIA(GPU-0):
gnome-shell[12138]: JS WARNING: [resource:///org/gnome/shell/ui/main.js 315]: reference to undefined property "MetaStage"
gnome-shell[12138]: JS WARNING: [resource:///org/gnome/shell/ui/layout.js 221]: reference to undefined property "MetaWindowGroup"
gnome-shell[12138]: JS WARNING: [resource:///org/gnome/shell/ui/osdMonitorLabeler.js 59]: reference to undefined property "MetaDBusDisplayConfigSkeleton"
gnome-shell[12138]: JS WARNING: [resource:///org/gnome/gjs/modules/tweener/tweener.js 540]: reference to undefined property "isSpecialProperty"
org.gnome.Shell.desktop[12138]: current session already has an ibus-daemon.
gnome-shell[12138]: JS WARNING: [resource:///org/gnome/shell/ui/slider.js 38]: reference to undefined property "CallyActor"
dbus[1127]: [system] Activating via systemd: service name='org.freedesktop.GeoClue2' unit='geoclue.service'
systemd[1]: Starting Location Lookup Service...
dbus[1127]: [system] Successfully activated service 'org.freedesktop.GeoClue2'
systemd[1]: Started Location Lookup Service.
gnome-shell[12138]: Telepathy is not available, chat integration will be disabled.
gnome-shell[12138]: JS WARNING: [/home/USERNAME/.local/share/gnome-shell/extensions/[email protected]/utils.js 34]: reference to undefined property Symbol.toPrimitive
gnome-shell[12138]: JS WARNING: [/home/USERNAME/.local/share/gnome-shell/extensions/[email protected]/extension.js 45]: reference to undefined property "text"
gnome-shell[12138]: loading user theme: /usr/share/themes/Arc-Dark/gnome-shell/gnome-shell.css
gnome-shell[12138]: Some code accessed the property 'SignalManager' on the module 'convenience'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Some code accessed the property 'SoundDeviceChooserBase' on the module 'base'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Some code accessed the property 'SETTINGS_SCHEMA' on the module 'prefs'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: JS WARNING: [/home/USERNAME/.local/share/gnome-shell/extensions/[email protected]/convenience.js 193]: reference to undefined property Symbol.toPrimitive
gnome-shell[12138]: Some code accessed the property 'SHOW_INPUT_SLIDER' on the module 'prefs'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Some code accessed the property 'DBusMenu' on the module 'interfaces'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Some code accessed the property 'WORKAROUND_RELOAD_TYPE_REGISTER' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Some code accessed the property 'StatusNotifierWatcher' on the module 'statusNotifierWatcher'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Some code accessed the property 'StatusNotifierWatcher' on the module 'interfaces'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Some code accessed the property 'traverseBusNames' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: JS WARNING: [/usr/share/gnome-shell/extensions/[email protected]/appIcons.js 1361]: unreachable code after return statement
gnome-shell[12138]: JS WARNING: [/usr/share/gnome-shell/extensions/[email protected]/extension.js 44]: assignment to undeclared variable runningExtensions
gnome-shell[12138]: length values must specify a unit
gnome-shell[12138]: message repeated 3 times: [ length values must specify a unit]
gnome-shell[12138]: Some code accessed the property 'Logger' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: [AppIndicatorSupport-WARN] Failed to acquire org.kde.StatusNotifierWatcher
gnome-shell[12138]: Some code accessed the property 'introspectBusObject' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
bluetoothd[1110]: Failed to set mode: Blocked through rfkill (0x12)
gnome-shell[12138]: Some code accessed the property 'dbusNodeImplementsInterfaces' on the module 'util'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
gnome-shell[12138]: Error looking up permission: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.impl.portal.PermissionStore was not provided by any .service files
org.gnome.Shell.desktop[12138]: Window manager warning: "XF86RFKill" is not a valid accelerator
gnome-shell[12138]: [AppIndicatorSupport-DEBUG] Using Brute-force mode for StatusNotifierItem :1.255/org/ayatana/NotificationItem/software_update_available
gnome-shell[12138]: [AppIndicatorSupport-DEBUG] Registering StatusNotifierItem :1.255/org/ayatana/NotificationItem/software_update_available
gnome-shell[12138]: Some code accessed the property 'AppIndicator' on the module 'appIndicator'. That property was defined with 'let' or 'const' inside the module. This was previously supported, but is not correct according to the ES6 standard. Any symbols to be exported from a module must be defined with 'var'. The property access will work as previously for the time being, but please fix your code anyway.
<...snip>
特别有趣的是这句话：gsd-media-keys[10337]: Couldn't lock screen: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying但我完全不明白它的意思。
已安装并激活的扩展：Arc Menu、Removable Drive Menu、Remove Dropdown Arrows、Topicons Plus、UserThemes。
硬件：AMD Ryzen 1700X、16GB Ram、NVidia GTX 1080。软件：Ubuntu 17.10、内核 4.13.0-16-generic、Gnome。
谢谢！如果需要更多信息请告诉我！
答案1
我删除了包裹gnome-shell-扩展-ubuntu-dock（还删除了Ubuntu 桌面包...)，我认为现在它正在工作。已提交错误报告。