Fatal modem error on TRB500

NETWORKING SOLUTIONS
1

Hello, my TRB500 giving me Fatal error on modem. Sometimes it recovers and sometimes not, needs full restart. On 4g BITE i didn’t notice this error, but when i got Telia 5G (connecting only to n28, sometimes in one hour it shows n78 for half second :smile: ) i got it on first day. I can still reach webui but there is no internet and only one “band 3” showing.

Sorry for bad english.

Sat Nov 9 16:48:13 2024 kern.err kernel: [19098.040021] Fatal error on modem!
Sat Nov 9 16:48:13 2024 kern.err kernel: [19098.040097] modem subsystem failure reason: lte_ml1_sleepmgr_stm.c:6287:Assert stm_get_state ( stm_get_instance(LTE_ML1_SLEEPMGR_STM, instance) ) == SLEEP failed: .
Sat Nov 9 16:48:13 2024 kern.info kernel: [19098.042374] subsys-restart: subsystem_restart_dev(): Restart sequence requested for modem, tako restart_level = RELATED.
Sat Nov 9 16:48:13 2024 kern.warn kernel: [19098.057520] [harden ]: restart modem,subsystem_restart_wq_func
Sat Nov 9 16:48:13 2024 kern.warn kernel: [19098.068366] [harden] : Quectel_ModemFatalErrProcess ,init cnt :1
Sat Nov 9 16:48:13 2024 kern.info kernel: [19098.073638] ipa-wan ipa3_lcl_mdm_ssr_notifier_cb:3248 IPA received MPSS BEFORE_SHUTDOWN
Sat Nov 9 16:48:13 2024 kern.err kernel: [19098.079961] ipa ipa3_send_msg:622 wlan_msg_process failed
Sat Nov 9 16:48:13 2024 kern.err kernel: [19098.087466] ipa ipa3_send_msg:625 lan_msg_process failed
Sat Nov 9 16:48:13 2024 kern.info kernel: [19098.095988] ipa-wan ipa3_wwan_remove:3031 rmnet_ipa started deinitialization
Sat Nov 9 16:48:13 2024 daemon.notice netifd: Network device ‘rmnet_ipa0’ link is down
Sat Nov 9 16:48:13 2024 daemon.notice netifd: Network device ‘rmnet_data0’ link is down
Sat Nov 9 16:48:13 2024 daemon.notice netifd: Interface ‘mob1s1a1_4’ has link connectivity loss
Sat Nov 9 16:48:13 2024 daemon.notice netifd: Interface ‘mob1s1a1_6’ has link connectivity loss
Sat Nov 9 16:48:13 2024 daemon.notice netifd: Interface ‘mob1s1a1_6’ is now down

  • Firmware version
    TRB500_R_00.07.10.2
  • Modem Firmware
    RG501QEUAAR12A08M4G_04.200.04.200
  • Batch number
    0018
3

Hello,

It is hard to determine the cause of the issue, but I recommend updating your device’s internal modem first to check if the issue still persists.
I have sent you a form to fill out, and once completed, I will contact you privately regarding the internal modem update. For the ticket ID, please use “10351”.

Bes regards,

5

Hello,
gived modem to seller for warranty. I have downloaded troubleshoot file when modem was after fatal error i can send it if needed.

6

Hello,

Thank you for the information. I don’t believe the troubleshoot file is necessary if you have already given the device to the reseller for warranty, as we can no longer explore further solutions. However, as I mentioned earlier, a potential solution could have been a modem update

Best regards,

7

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