固件类型：官方提供的固件
固件文件名称：ROC-RK3328-PC_Ubuntu18.04-r21156_v2.5.1b_220615
固件下载地址：百度网盘
Log日志：network_manager_logs.txt
在使用EC20 CE FHLG 4G模块时, 由于该模块Linux免驱, 没有进行额外操作, 但是在配置好联通物联网卡的ANP之后, 一张连不上网
使用
cat /var/log/syslog | grep NetworkManager
查看日志
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.5250] device (usb0): state change: activated → deactivating (reason ‘connection-removed’, sys-iface-state: ‘managed’)
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.5259] manager: NetworkManager state is now DISCONNECTING
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.6780] modem[“ttyUSB2”]: modem state changed, ‘disabled’ → ‘enabling’ (reason: user preference)
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.6817] manager: (ttyUSB2): new Broadband device (/org/freedesktop/NetworkManager/Devices/7)
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.6829] device (ttyUSB2): state change: unmanaged → unavailable (reason ‘managed’, sys-iface-state: ‘external’)
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.6839] device (ttyUSB2): modem state ‘enabling’
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.6887] device (usb0): state change: deactivating → disconnected (reason ‘connection-removed’, sys-iface-state: ‘managed’)
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.7006] dhcp4 (usb0): canceled DHCP transaction, DHCP client pid 1086
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.7007] dhcp4 (usb0): state changed bound → done
Jan 12 02:30:48 firefly NetworkManager[588]: [1705026648.7067] manager: NetworkManager state is now DISCONNECTEDJan 12 02:30:48 firefly NetworkManager[588]: [1705026648.7088] device (ttyUSB2): state change: unavailable → disconnected (reason ‘none’, sys-iface-state: ‘managed’)
Jan 12 02:30:48 firefly dbus-daemon[519]: [system] Activating via systemd: service name=‘org.freedesktop.nm_dispatcher’ unit=‘dbus-org.freedesktop.nm-dispatcher.service’ requested by ‘:1.7’ (uid=0 pid=588 comm="/usr/sbin/NetworkManager --no-daemon ")
Jan 12 02:30:49 firefly NetworkManager[588]: [1705026649.3144] modem[“ttyUSB2”]: modem state changed, ‘enabling’ → ‘enabled’ (reason: user-requested)
Jan 12 02:30:49 firefly NetworkManager[588]: [1705026649.3890] modem[“ttyUSB2”]: modem state changed, ‘enabled’ → ‘registered’ (reason: unknown)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.0962] device (ttyUSB2): Activation: starting connection ‘China Unicom Default 1’ (29679bda-c354-4c38-9790-e86b28375229)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.0968] audit: op=“connection-activate” uuid=“29679bda-c354-4c38-9790-e86b28375229” name=“China Unicom Default 1” pid=811 uid=1000 result=“success”
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.0980] device (ttyUSB2): state change: disconnected → prepare (reason ‘none’, sys-iface-state: ‘managed’)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.0990] manager: NetworkManager state is now CONNECTING
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1200] modem[“ttyUSB2”]: modem state changed, ‘registered’ → ‘connecting’ (reason: user-requested)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1629] modem[“ttyUSB2”]: modem state changed, ‘connecting’ → ‘connected’ (reason: user-requested)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1752] device (ttyUSB2): ip-ifname: set ifname ‘ttyUSB2’, unknown ifindex
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1760] device (ttyUSB2): state change: prepare → config (reason ‘none’, sys-iface-state: ‘managed’)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1777] device (ttyUSB2): state change: config → ip-config (reason ‘none’, sys-iface-state: ‘managed’)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1783] device (ttyUSB2): interface ttyUSB2 not up for IP configuration
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1784] modem[“ttyUSB2”]: using modem-specified IP timeout: 20 seconds
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1810] loaded PPP plugin /usr/lib/aarch64-linux-gnu/NetworkManager/libnm-ppp-plugin.so
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1897] modprobe: ‘/sbin/modprobe ppp_generic’ exited with error 256 (modprobe: FATAL: Module ppp_generic not found in directory /lib/modules/4.4.194+)
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1908] ppp-manager: starting PPP connection
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.1981] ppp-manager: pppd started with pid 1207
Jan 12 02:30:51 firefly NetworkManager[588]: Plugin /usr/lib/pppd/2.4.7/nm-pppd-plugin.so loaded.
Jan 12 02:30:51 firefly NetworkManager[588]: Couldn’t open the /dev/ppp device: No such file or directory
Jan 12 02:30:51 firefly NetworkManager[588]: /usr/sbin/pppd: You need to create the /dev/ppp device node by
Jan 12 02:30:51 firefly NetworkManager[588]: executing the following command as root:
Jan 12 02:30:51 firefly NetworkManager[588]: #011mknod /dev/ppp c 108 0
Jan 12 02:30:51 firefly NetworkManager[588]: [1705026651.2418] ppp-manager: pppd pid 1207 exited with error 4: No ppp module error
Jan 12 02:31:21 firefly NetworkManager[588]: [1705026681.8461] modem[“ttyUSB2”]: modem state changed, ‘connected’ → ‘registered’ (reason: user-requested)
Jan 12 02:31:21 firefly NetworkManager[588]: [1705026681.8464] device (ttyUSB2): state change: ip-config → failed (reason ‘modem-no-carrier’, sys-iface-state: ‘managed’)
Jan 12 02:31:21 firefly NetworkManager[588]: [1705026681.8486] manager: NetworkManager state is now DISCONNECTEDJan 12 02:31:21 firefly NetworkManager[588]: [1705026681.8611] device (ttyUSB2): Activation: failed for connection ‘China Unicom Default 1’
Jan 12 02:31:21 firefly NetworkManager[588]: [1705026681.8709] device (ttyUSB2): state change: failed → disconnected (reason ‘none’, sys-iface-state: ‘managed’)
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network_manager_logs.txt (39 KB)