Hi,
After firmware upgrade to the latest firmware RUTX_R_00.07.02.7 version, the internal modem disconnects multiple times a day.
Firmware version RUTX_R_00.07.02.7
Firmware build date 2022-09-08 09:47:46
Internal modem firmware version EG12EAPAR01A09M4G
Kernel version 5.4.147
Below is a snippet from dmesg when this happens:
[422506.592997] usb 1-1: USB disconnect, device number 5
[422506.593557] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
[422506.597250] option 1-1:1.0: device disconnected
[422506.606045] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
[422506.610020] option 1-1:1.1: device disconnected
[422506.618780] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
[422506.622643] option 1-1:1.2: device disconnected
[422506.631131] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3
[422506.635368] option 1-1:1.3: device disconnected
[422506.643658] qmi_wwan 1-1:1.4 wwan0: unregister 'qmi_wwan' usb-xhci-hcd.0.auto-1, WWAN/QMI device
[422514.120711] usb 1-1: new high-speed USB device number 6 using xhci-hcd
[422514.442322] option 1-1:1.0: GSM modem (1-port) converter detected
[422514.442716] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0
[422514.448138] option 1-1:1.1: GSM modem (1-port) converter detected
[422514.454885] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1
[422514.461655] option 1-1:1.2: GSM modem (1-port) converter detected
[422514.467734] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2
[422514.474469] option 1-1:1.3: GSM modem (1-port) converter detected
[422514.480952] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB3
[422514.506036] qmi_wwan 1-1:1.4: cdc-wdm0: USB WDM device
[422514.507485] qmi_wwan 1-1:1.4 wwan0: register 'qmi_wwan' at usb-xhci-hcd.0.auto-1, WWAN/QMI device, 82:94:84:97:63:53
[422533.919171] qmi_wwan 1-1:1.4 wwan0: mode: raw IP
And from webui log:
2022-10-05 12:14:43 |
Network Operator |
Connected to DNA operator (internal modem) |
2022-10-05 12:14:43 |
Network Type |
Joined FDD LTE network (internal modem) |
2022-10-05 12:14:43 |
Mobile Data |
Mobile data connected (internal modem) |
2022-10-05 12:14:28 |
Mobile Data |
Mobile data disconnected (internal modem) |
2022-10-05 12:13:22 |
Mobile Data |
Mobile data disconnected (internal modem) |
2022-10-05 12:13:16 |
Mobile Data |
Mobile data disconnected (internal modem) |
I have rebooted the device multiple times, does not fix the issue. This happens multiple times a day.