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TDA4VM: Repeated restart

davied zhang
Intellectual 450 points
Part Number: TDA4VM

HI，TI

    We found a TDA4VM custom board keep repeated restarting.  And we put SD on the other boards, it's OK. The restart log as follows:

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See 'systemctl status sync-clocks.service' for details.
_____ _____ _ _
| _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_
| | _| .'| . | . | | __| _| . | | | -_| _| _|
|__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_|
|___| |___|
Arago Project j7-evm ttyS2
Arago 2021.09 j7-evm ttyS2
j7-evm login: root
root@j7-evm:~# þÿ򀿿ÿÿ
U-Boot 2021.01 (Jan 11 2024 - 19:21:21 +0800)
SoC: J721E SR1.1 GP
Model: Texas Instruments K3 J721E SoC
EEPROM not available at 0x50, trying to read at 0x51
Reading on-board EEPROM at 0x51 failed -19
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

      Now we think the temperature sensor malfunctioned, because when the temperature is higher than 65 ° C（/sys/class/thermal/thermal_zone1/temp）, a restart is triggered.

      Could you give us some advices?

Best Regards,

Zhang 

  • 0
    TI__Guru**** 155140 points

    Hi Zhang,

    Is the reset periodic? I am suspecting any watchdog reset periodically. I am not sure if on that custom board some watchdog continuously is triggered?
    How long does it take for the repeated resets?

    Which SDK version is being used?

    - Keerthy