network manager applet的右键菜单，重启后可以出现“启用移动宽带”，可以勾选使用或停用。但是休眠后再打开，这个菜单就没有了，移动的无线网络也没法使用，只能重启，郁闷死了。不知道大家有没有遇到过？
可以看看 journalct 裡有沒有 Network Manager 的錯誤訊息。
12月 09 09:06:42 lei-manjaro ModemManager[1007]: [sleep-monitor-systemd] system is resuming
12月 09 09:06:44 lei-manjaro ModemManager[1007]: [base-manager] couldn’t check support for device ‘/sys/devices/pci0000:00/0000:00:14.3’: not supported by any plugin
12月 09 09:06:44 lei-manjaro ModemManager[1007]: [base-manager] couldn’t check support for device ‘/sys/devices/pci0000:00/0000:00:1f.6’: not supported by any plugin
12月 09 09:06:48 lei-manjaro ModemManager[1007]: [base-manager] couldn’t check support for device ‘/sys/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5.1’: not supported by any plugin
12月 09 09:07:28 lei-manjaro ModemManager[1007]: [device /sys/devices/pci0000:00/0000:00:14.0/usb1/1-7] creating modem with plugin ‘quectel’ and ‘2’ ports
12月 09 09:07:28 lei-manjaro ModemManager[1007]: [plugin/quectel] could not grab port cdc-wdm0: Cannot add port ‘usbmisc/cdc-wdm0’, unhandled port type
12月 09 09:07:28 lei-manjaro ModemManager[1007]: [base-manager] couldn’t create modem for device ‘/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7’: Failed to find primary AT port
12月 09 09:08:37 lei-manjaro ModemManager[1007]: caught signal, shutting down…
12月 09 09:08:37 lei-manjaro ModemManager[1007]: ModemManager is shut down
12月 09 09:08:37 lei-manjaro ModemManager[59216]: ModemManager (version 1.20.2-1) starting in system bus…
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [cdc-wdm0/mbim] MBIM device is not QMI capable
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [base-manager] couldn’t check support for device ‘/sys/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5.1’: not supported by any plugin
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [device /sys/devices/pci0000:00/0000:00:14.0/usb1/1-7] creating modem with plugin ‘quectel’ and ‘2’ ports
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [base-manager] modem for device ‘/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7’ successfully created
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [base-manager] couldn’t check support for device ‘/sys/devices/pci0000:00/0000:00:14.3’: not supported by any plugin
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [base-manager] couldn’t check support for device ‘/sys/devices/pci0000:00/0000:00:1f.6’: not supported by any plugin
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [modem0/cdc-wdm0/mbim] MBIM device is not QMI capable
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [modem0] couldn’t load carrier config: QMI PDC not supported
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [modem0] couldn’t load supported bands: Unsupported
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [modem0] couldn’t load current bands: Unsupported
12月 09 09:08:39 lei-manjaro ModemManager[59216]: [modem0] couldn’t query SIM slots: NoDeviceSupport
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0/sim0] couldn’t load list of emergency numbers: No AT port available to run command
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0/sim0] couldn’t load list of preferred networks: No AT port available to run command
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0/sim0] couldn’t load GID1: Failed reading GID1 from SIM card
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0/sim0] couldn’t load GID2: Failed reading GID2 from SIM card
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0/sim0] couldn’t load EID: Failure
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] couldn’t load UE mode of operation for EPS: No AT port available to run command
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] couldn’t load initial EPS bearer settings: LTE attach status info is unsupported
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] couldn’t load 5GNR registration settings: 5GNR registration settings are unsupported
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] state changed (unknown → disabled)
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] state changed (disabled → enabling)
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] simple connect started…
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] simple connect state (4/10): wait to get fully enabled
12月 09 09:08:40 lei-manjaro ModemManager[59216]: [modem0] power state updated: on
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] state changed (enabling → enabled)
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] simple connect state (5/10): wait after enabled
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] 3GPP registration state changed (unknown → registering)
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] 3GPP registration state changed (registering → home)
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] state changed (enabled → registered)
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] simple connect state (6/10): register
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] simple connect state (7/10): wait to get packet service state attached
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] simple connect state (8/10): bearer
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] simple connect state (9/10): connect
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] state changed (registered → connecting)
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0/bearer0] reloading stats is supported by the device
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] state changed (connecting → connected)
12月 09 09:08:41 lei-manjaro ModemManager[59216]: [modem0] simple connect state (10/10): all done
休眠启动后，我用systemctl restart ModemManager，然后就可以了。这个信息，大侠们还能帮忙分析下 
，我看着意思是休眠启动的时候识别失败了，但是在重启服务的时候也报了失败，不知道后来怎么又成功了 
。我的芯片是我自己换的quectel的