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    Quectel Modem issues

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    • J
      JustinDev23
      last edited by

      Good morning,
      Having trouble connecting to network now, no changes to setup was flying over 5G the other day. Now I am not able to establish connection. Sim is good and is the same one I flew with. verified good 5G coverage and works with cellphone. Typically just powering Sentinel connects to wwan0 and tailscale.

      voxl2:/usr/bin$ ./voxl-modem-start.sh

      qrb5165 based hardware detected...
      \Setting mode preference to LTE / 5G
      AT+QNWPREFCFG="mode_pref",LTE:NR5G
      OK

      Initalizing cellular connection...
      [05-02_13:07:56:507] Quectel_QConnectManager_Linux_V1.6.0.24
      [05-02_13:07:56:509] Find /sys/bus/usb/devices/2-1.1 idVendor=0x2c7c idProduct=0x800, bus=0x002, dev=0x003
      [05-02_13:07:56:509] Auto find qmichannel = /dev/cdc-wdm0
      [05-02_13:07:56:509] Auto find usbnet_adapter = wwan0
      [05-02_13:07:56:509] netcard driver = qmi_wwan, driver version = 22-Aug-2005
      [05-02_13:07:56:510] Modem works in QMI mode
      [05-02_13:07:56:526] /proc/4470/fd/7 -> /dev/cdc-wdm0
      [05-02_13:07:56:528] /proc/4470/exe -> /usr/bin/quectel-CM
      [05-02_13:07:58:529] cdc_wdm_fd = 7
      [05-02_13:07:58:605] QmiWwanThread read=-1 errno: 2 (No such file or directory)
      [05-02_13:08:28:574] QmiWwanGetClientID message timeout
      [05-02_13:08:28:589] Get clientDMS = 1
      [05-02_13:08:28:621] Get clientNAS = 4
      [05-02_13:08:28:658] Get clientUIM = 1
      [05-02_13:08:28:693] Get clientWDA = 1
      [05-02_13:08:58:693] requestBaseBandVersion message timeout
      [05-02_13:08:58:693] requestBaseBandVersion err = 110
      [05-02_13:09:28:694] requestSetEthMode message timeout
      [05-02_13:09:28:694] requestSetEthMode err = 110
      [05-02_13:09:58:695] requestGetSIMStatus message timeout
      [05-02_13:09:58:696] requestGetSIMStatus err = 110
      [05-02_13:09:58:696] requestSetProfile[1] phone///0
      [05-02_13:09:58:696] QMIType 1 has no clientID
      [05-02_13:09:58:696] requestSetProfile err = -19
      [05-02_13:09:58:696] QMIType 1 has no clientID
      [05-02_13:09:58:696] requestGetProfile err = -19

      1 Reply Last reply Reply Quote 0
      • J
        JustinDev23
        last edited by

        Now i am getting a SIM_ABSENT with a known good sim.

        voxl2:/usr/bin$ ./voxl-modem-start.sh

        qrb5165 based hardware detected...
        \Setting mode preference to LTE / 5G
        AT+QNWPREFCFG="mode_pref",LTE:NR5G
        OK

        Initalizing cellular connection...
        [05-03_15:39:15:806] Quectel_QConnectManager_Linux_V1.6.0.24
        [05-03_15:39:15:819] Find /sys/bus/usb/devices/2-1.1 idVendor=0x2c7c idProduct=0x800, bus=0x002, dev=0x003
        [05-03_15:39:15:820] Auto find qmichannel = /dev/cdc-wdm0
        [05-03_15:39:15:820] Auto find usbnet_adapter = wwan0
        [05-03_15:39:15:820] netcard driver = qmi_wwan, driver version = 22-Aug-2005
        [05-03_15:39:15:821] Modem works in QMI mode
        [05-03_15:39:15:832] cdc_wdm_fd = 7
        [05-03_15:39:16:840] QmiWwanInit message timeout
        [05-03_15:39:18:195] Get clientWDS = 15
        [05-03_15:39:18:227] Get clientDMS = 1
        [05-03_15:39:18:259] Get clientNAS = 4
        [05-03_15:39:18:291] Get clientUIM = 1
        [05-03_15:39:18:338] Get clientWDA = 1
        [05-03_15:39:18:356] requestBaseBandVersion RM502QAEAAR11A04M4G
        [05-03_15:39:18:484] requestGetSIMStatus SIMStatus: SIM_ABSENT
        [05-03_15:39:18:485] requestSetProfile[1] phone///0
        [05-03_15:39:18:643] requestGetProfile[1] phone///0
        [05-03_15:39:18:675] requestRegistrationState2 MCC: 310, MNC: 410, PS: Detached, DataCap: UNKNOW
        [05-03_15:39:18:714] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED
        [05-03_15:39:18:714] ifconfig wwan0 0.0.0.0
        [05-03_15:39:18:727] ifconfig wwan0 down

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        • tomT
          tom admin
          last edited by

          @JustinDev23 Is the voxl-modem systemd service running in the background at the same time? If so you'll want to stop it: systemctl stop voxl-modem

          Usually a SIM card not being detected is a hardware issue, it's possible the SIM slot is failing. If you fully remove the SIM card does it give the exact same issue?

          J 1 Reply Last reply Reply Quote 0
          • tomT
            tom admin
            last edited by

            I would also double check that the M0090 add-on board is fully seated on the VOXL2 as well as that the quectel modem is fully seated in the M0090. A hard landing / crash could cause these to become not fully seated.

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            • J
              JustinDev23 @tom
              last edited by

              @tom i did stop/disable voxl-modem to troubleshoot. I did verify the board was seated properly as well and luckily no hard landings yet. Sim card is fully functional in a cell phone and was the same one i used last week for testing with no issues. I changed the APN to a few others to double check and get the same results.

              quectel-CM commands show the same results.

              1 Reply Last reply Reply Quote 0
              • tomT
                tom admin
                last edited by

                @JustinDev23 Right, that's why I'm thinking maybe the SIM card slot itself on the M0090 is failing. Does it detect other SIM cards? If not, that's likely the culprit.

                1 Reply Last reply Reply Quote 0
                • J
                  JustinDev23
                  last edited by

                  @tom is that a common thing to have issues with? I have pretty good experience with PCBs and there does not look like any pin damage or lifting of the cage. It may have a total of 10 times for sim card removal. Again, it was working fine, powered off and when I went to power back on this week it was failing.

                  1 Reply Last reply Reply Quote 0
                  • tomT
                    tom admin
                    last edited by

                    @JustinDev23 I think our technicians have seen it maybe once or twice during the testing process out of the hundreds of M0090s we've processed, but it's something that's tested so would be caught if it was faulty. Like you said it was working before.

                    So, no it's definitely not common, I'm just a bit stumped as to what otherwise would be the root cause of this.

                    J 1 Reply Last reply Reply Quote 0
                    • J
                      JustinDev23 @tom
                      last edited by

                      @tom is this something i can ship back via RMA to see what is causing it to fail?

                      1 Reply Last reply Reply Quote 0
                      • tomT
                        tom admin
                        last edited by

                        @JustinDev23 Definitely. See here: https://www.modalai.com/pages/rma

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