我正在尝试让 inseego/at&t 的 USB800 无线调制解调器在我的 Ubuntu 20.04 盒子上运行。
但是，插入后，Linux 主机似乎无法正确初始化它。USB800 USB WAN 的用户手册表明它与 Linux 兼容，但我收到以下错误日志：
kernel: [4627412.526593] usb 2-1.3: USB disconnect, device number 45
kernel: [4627412.526654] rndis_host 2-1.3:1.0 enx0015ff036177: unregister 'rndis_host' usb-0000:42:00.3-1.3, RNDIS device
kernel: [4627412.850617] usb 2-1.3: new high-speed USB device number 46 using xhci_hcd
kernel: [4627412.965436] usb 2-1.3: New USB device found, idVendor=1410, idProduct=b020, bcdDevice= 3.18
kernel: [4627412.965437] usb 2-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
kernel: [4627412.965438] usb 2-1.3: Product: USB800
kernel: [4627412.965439] usb 2-1.3: Manufacturer: Novatel Wireless
kernel: [4627412.965439] usb 2-1.3: SerialNumber: 0123456789ABCDEF
networkd-dispatcher[1394]: WARNING:Unknown index 164605 seen, reloading interface list
kernel: [4627413.051430] cdc_ether 2-1.3:1.0 eth0: register 'cdc_ether' at usb-0000:42:00.3-1.3, CDC Ethernet Device, 00:15:ff:03:61:77
kernel: [4627413.053699] hid-generic 0003:1410:B020.282E1: hiddev0,hidraw0: USB HID v1.01 Device [Novatel Wireless USB800] on usb-0000:42:00.3-1.3/input2
systemd-udevd[2240731]: Using default interface naming scheme 'v245'.
systemd-udevd[2240731]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
kernel: [4627413.057187] cdc_ether 2-1.3:1.0 enx0015ff036177: renamed from eth0
systemd-networkd[1266]: eth0: Interface name change detected, eth0 has been renamed to enx0015ff036177.
networkd-dispatcher[1394]: WARNING:Unknown index 164605 seen, reloading interface list
systemd-udevd[2240731]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
ModemManager[1515]: <info> [base-manager] couldn't check support for device '/sys/devices/pci0000:40/0000:40:08.1/0000:42:00.3/usb2/2-1/2-1.3': not supported by any plugin
另一个奇怪的症状是相关的网络设备“enx0015ff036177”ip link大约每隔 10 秒就会从结果中消失。
“调制解调器管理器”也没有看到这里任何插入的设备。
mmcli -L
No modems were found
这里似乎有什么问题？提前感谢您的建议！