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    Core 0 panic'ed, but reboot does not happen

    M5 Stick/StickC
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    • H
      heleb
      last edited by

      I get the occasional core 0 related freezes of M5 Stick C.
      Using the latest Arduino IDE with latest M5 libs.

      I did program a watchdog timer, which works, except when the core 0 error happens.

      Once the unit hangs it gets wamer than usual and consumes about 100ms. The unit is no longer visible on the network, and will not respond to button presses (except power off button)

      How can I fix this? (Stick needs to reboot on core 0 error)

      Thanks !

      ---------------------------------------- Log -----
      SSID: Jackdog-73dBm (54% )
      OFF_Display
      FreeHeap=240924
      sunnyboy
      http://sunnyboy/solar_api/v1/GetPowerFlowRealtimeData.fcgi
      Fronius:BEFORE g_ihttpFronius = http.GET()
      Fronius:AFTER g_ihttpFronius = http.GET()
      g_ihttpFronius=-1
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x40082868: 03adf784 c0079ea5 40082920
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
      Guru Meditation Er

      ----------------------------- end log--------------------------------

      H 1 Reply Last reply Reply Quote 0
      • H
        heleb @heleb
        last edited by

        I set CONFIG_ESP32_PANIC_SILENT_REBOOT=y
        in file /.arduiono15/packages/esp32/hardware/esp32/1.0.4/tools/sdk/sdkconfig

        I did get the same error again, plus some unexpected debugging output
        After all, with CONFIG_ESP32_PANIC_SILENT_REBOOT=y , I would not expect any debugging output
        By the way, the problem happens with several M5Sticks..........

        -------------------------------------Log output (same as last time)
        No/Bad response from Shelly:-1
        SSID:

        Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
        Memory dump at 0x40082868: 03adf784 c0079ea5 40082920
        Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
        Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
        Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
        Memory dump at 0x400808dc: 3f4183b4 3f418440 3f4183d0
        Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unha ndled.

        1 Reply Last reply Reply Quote 0
        • H
          heleb
          last edited by

          Reduced CPU from 240MHz to 80MHz ----Problem seems to be gone

          1 Reply Last reply Reply Quote 0
          • m5stackM
            m5stack
            last edited by Zontex

            We haven't encountered such situation before, trying to replicate it didn't bring any results. our all firmware is use 240MHz by default and this shouldn't cause any troubles. maybe you could check if it's related to your program or provide any details how we can try to replicate it to see what's going on?

            H 1 Reply Last reply Reply Quote 0
            • H
              heleb @m5stack
              last edited by

              @m5stack :

              So far the "80Mhz" fix is holding up since Oct-21st , running on 2 units.

              I will try a few more M5StickC running at 240Mhz (with exact same program and programmed from same IDE) and see if they again lock up after a few days.

              1 Reply Last reply Reply Quote 0
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