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    Explore Pybytes | Official Documentation | Report a Firmware Bug/Issue | GitHub

    Guru Meditation error on nanogateway example

    Scheduled Pinned Locked Moved FiPy
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    • F Offline
      Francesco Biancucci
      last edited by

      I am using a FiPy board with the 1.20.2.r6 firmware to run the nanogateway for LoRa. After a random amount of time (that seems to be less and less) it goes into the guru meditation and core dumps.
      I cannot upload files idk why so i'm copying the text file:

      Guru Meditation Error: Core 1 panic'ed (LoadProhibited). Exception was unhandled.
      Core 1 register dump:
      PC : 0x4010aa5f PS : 0x00060030 A0 : 0x800e1030 A1 : 0x3ffdaba0
      A2 : 0x00000001 A3 : 0x00000001 A4 : 0x00000000 A5 : 0x00000001
      A6 : 0x00000000 A7 : 0x00060023 A8 : 0x801098aa A9 : 0x3ffe7c00
      A10 : 0x00000001 A11 : 0x00000001 A12 : 0x3f94f4b0 A13 : 0x3f94f4b0
      A14 : 0x3ffe7d90 A15 : 0x3ffe7cf0 SAR : 0x0000001e EXCCAUSE: 0x0000001c
      EXCVADDR: 0x00000001 LBEG : 0x4009412c LEND : 0x4009415a LCOUNT : 0xffffffff

      ELF file SHA256: 0000000000000000000000000000000000000000000000000000000000000000

      Backtrace: 0x4010aa5f:0x3ffdaba0 0x400e102d:0x3ffdabc0 0x400e109e:0x3ffdabe0 0x400e15bd:0x3ffdac10 0x400e182f:0x3ffdac30 0x400e01cd:0x3ffdac70

      By analyzing the core dump through epsressif this is what i got:
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/../py/vm.c:1338
      mp_hal_delay_ms
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/hal/esp32_mphal.c:218
      mp_hal_stdin_rx_chr
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/hal/esp32_mphal.c:148
      readline
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/../lib/mp-readline/readline.c:425
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/../py/vm.c:1338
      mp_hal_delay_ms
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/hal/esp32_mphal.c:218
      mp_hal_stdin_rx_chr
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/hal/esp32_mphal.c:148
      readline
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/../lib/mp-readline/readline.c:425
      pyexec_friendly_repl
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/../lib/utils/pyexec.c:474
      TASK_Micropython
      /var/jenkins_home/workspace/micropython-sigfox_Release_v1.20/esp32/mptask.c:360

      To my understanding this has something to do with the internal libraries used by the firmware. Does anybody know how to fix this? I already erased and flashed the firmware but nothing changed

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