Question

Hello, 

i have a Problem with RUT 950. We allways have Connection erros every two Minutes. 

60211.912631] option 1-1:1.3: device disconnected [60211.973876] qmi_wwan 1-1:1.5 wwan0: unregister 'qmi_wwan'

usb-1b000000.usb-1, WWAN/QMI device

[60217.541754] usb 1-1: new high-speed USB device number 61 using ehci-platform [60217.748690] option 1-1:1.0: GSM modem (1-port) converter detected [60217.755499] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0 [60217.763664] option 1-1:1.1: GSM modem (1-port) converter detected [60217.770450] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1 [60217.778676] option 1-1:1.2: GSM modem (1-port) converter detected [60217.785330] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2 [60217.793539] option 1-1:1.3: GSM modem (1-port) converter detected [60217.800310] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB4 [60218.210700] qmi_wwan: probe of 1-1:1.4 failed with error -22 [60218.277201] qmi_wwan 1-1:1.5: cdc-wdm0: USB WDM device [60218.319152] qmi_wwan 1-1:1.5 wwan0: register 'qmi_wwan' at usb-1b000000.usb-1, WWAN/QMI device, da:73:a4:2c:34:38 [60245.628040] qmi_wwan 1-1:1.5 wwan0: mode: raw IP [62783.879645] usb 1-1: USB disconnect, device number 61 [62783.885453] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 [62783.893891] option 1-1:1.0: device disconnected [62783.899229] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 [62783.907608] option 1-1:1.1: device disconnected [62783.978359] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 [62783.986934] option 1-1:1.2: device disconnected [62783.992315] option1 ttyUSB4: GSM modem (1-port) converter now disconnected from ttyUSB4 [62784.000679] option 1-1:1.3: device disconnected [62784.006422] qmi_wwan 1-1:1.5 wwan0: unregister 'qmi_wwan'

usb-1b000000.usb-1, WWAN/QMI device

[62789.641870] usb 1-1: new high-speed USB device number 62 using ehci-platform [62789.853279] option 1-1:1.0: GSM modem (1-port) converter detected [62789.859944] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0 [62789.868148] option 1-1:1.1: GSM modem (1-port) converter detected [62789.874765] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1 [62789.883191] option 1-1:1.2: GSM modem (1-port) converter detected [62789.889890] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB3 [62789.898248] option 1-1:1.3: GSM modem (1-port) converter detected [62789.904901] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB4 [62790.325869] qmi_wwan: probe of 1-1:1.4 failed with error -22 [62790.386446] qmi_wwan 1-1:1.5: cdc-wdm0: USB WDM device [62790.419064] qmi_wwan 1-1:1.5 wwan0: register 'qmi_wwan' at usb-1b000000.usb-1, WWAN/QMI device, da:73:a4:2c:34:38 [62818.702446] qmi_wwan 1-1:1.5 wwan0: mode: raw IP

Answer 1

Hello,

  

Indeed, it seems like there is an issue with your modem. There are a few procedures I'd like you to try:

• Factory resetting the device using the bootloader procedure;
  • When re-flashing the firmware using the bootloader, the firmware on the device gets completely overwritten. This will help us eliminate any possibility, that the issue could be caused by firmware;
• If that does not help, please contact me via a private message, and I'll provide the instructions on how the modem could be updated;
• Finally, if both of these procedures don't help, the device might need to be returned to the seller for RMA;

   

Best regards,
DaumantasG