我一直在我的 ThinkPad X1 Carbon 10th Gen 上使用 Quectel EM05-CE 调制解调器，运行 Ubnutu 23.10（mantic）一年，没有任何问题。
但是今天全新安装（到 Ubuntu 23.10）后，调制解调器在干净启动后可以像以前一样完全正常工作，但是当我合上盖子并再次打开时，LTE 连接会从设置和 ModemManager 中消失。
$ mmcli -L
no modems were found
这些是干净启动后来自 ModemManager 的日志...
Dec 15 00:54:10 H2FCarbon30 ModemManager[1235]: <info> [cdc-wdm0/mbim] MBIM device is not QMI capable
Dec 15 00:54:10 H2FCarbon30 ModemManager[1235]: <info> [device /sys/devices/pci0000:00/0000:00:14.0/usb3/3-4] creating modem with plugin 'quectel' and '2' ports
Dec 15 00:54:10 H2FCarbon30 ModemManager[1235]: <info> [base-manager] modem for device '/sys/devices/pci0000:00/0000:00:14.0/usb3/3-4' successfully created
Dec 15 00:54:10 H2FCarbon30 ModemManager[1235]: <info> [base-manager] couldn't check support for device '/sys/devices/pci0000:00/0000:00:14.3': not supported by any plugin
Dec 15 00:54:10 H2FCarbon30 ModemManager[1235]: <info> [modem0/cdc-wdm0/mbim] MBIM device is not QMI capable
Dec 15 00:54:11 H2FCarbon30 ModemManager[1235]: <warn> [modem0] couldn't load carrier config: QMI PDC not supported
...
Dec 15 00:54:11 H2FCarbon30 ModemManager[1235]: <info> [modem0] 3GPP registration state changed (unknown -> registering)
Dec 15 00:54:11 H2FCarbon30 ModemManager[1235]: <info> [modem0] 3GPP registration state changed (registering -> home)
Dec 15 00:54:11 H2FCarbon30 ModemManager[1235]: <info> [modem0] state changed (enabled -> registered)
这些是从睡眠状态唤醒后来自 ModemManager 的日志。
Dec 15 01:02:36 H2FCarbon30 ModemManager[1235]: <info> [sleep-monitor-systemd] system is resuming
Dec 15 01:02:38 H2FCarbon30 ModemManager[1235]: <info> [base-manager] couldn't check support for device '/sys/devices/pci0000:00/0000:00:14.3': not supported by any plugin
Dec 15 01:03:27 H2FCarbon30 ModemManager[1235]: <info> [device /sys/devices/pci0000:00/0000:00:14.0/usb3/3-4] creating modem with plugin 'quectel' and '2' ports
Dec 15 01:03:27 H2FCarbon30 ModemManager[1235]: <warn> [plugin/quectel] could not grab port cdc-wdm0: Cannot add port 'usbmisc/cdc-wdm0', unhandled port type
Dec 15 01:03:27 H2FCarbon30 ModemManager[1235]: <warn> [base-manager] couldn't create modem for device '/sys/devices/pci0000:00/0000:00:14.0/usb3/3-4': Failed to find primary AT port
有什么解决方案或解决方法吗？在重新安装 Ubuntu 之前，它可以正常工作。