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    1. M5Stack Forum
    2. heleb
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    heleb

    @heleb

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    Latest posts made by heleb

    • RE: Core 0 panic'ed -- Fix by reducing CPU speed

      @m5stack :

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

      Program and IDE are the same when running at 240MHz.
      When the problem occurs (at 240MHz), both units lock up so bad, that they will not even reboot.

      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.

      posted in M5 Stick/StickC
      H
      heleb
    • RE: Core 0 panic'ed, but reboot does not happen

      @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.

      posted in M5 Stick/StickC
      H
      heleb
    • Core 0 panic'ed -- Fix by reducing CPU speed

      Had "Core 0 panic'ed......" errors on various M5StickC units.

      Reduced CPU speed from 240MHZ to 80MHz, problem seems to be gone .......

      Units run cooler too (at 240MHz units were slightly warm to touch).

      posted in M5 Stick/StickC
      H
      heleb
    • RE: M5 Stick C : "Guru Meditation Error: Core 0 panic'ed (LoadProhibited)"

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

      Hmmmmm.... shaky hardware?

      posted in Units
      H
      heleb
    • RE: Core 0 panic'ed, but reboot does not happen

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

      posted in M5 Stick/StickC
      H
      heleb
    • RE: Core 0 panic'ed, but reboot does not happen

      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.

      posted in M5 Stick/StickC
      H
      heleb
    • Core 0 panic'ed, but reboot does not happen

      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--------------------------------

      posted in M5 Stick/StickC
      H
      heleb
    • M5 Stick C : "Guru Meditation Error: Core 0 panic'ed (LoadProhibited)"

      Using Arduino 1.8.12 , Library: M5StickC 0.2.0

      My M5Sticks run anywhere from 2days to 3 weeks and then crash.
      The crash typically happens right after some WiFi networking call.
      For example:
      crash after: http.begin(g_wClient , g_cHttpCmd);
      or crash after : iRSSI = WiFi.RSSI();

      After the crash, the M5 Stick C does not automatically reboot , which I believe it should

      Attached is the debug output:
      21:16:28.890 -> Guru Meditation Error: Core 0 panic'ed (IllegalInstruction). Exception was unhandled.
      21:16:28.890 -> Memory dump at 0x40082868: 03adf784 c0079ea5 40082920
      21:16:28.890 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.890 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.890 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.924 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.924 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.924 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.924 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.959 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.959 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.959 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.959 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.993 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.993 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.993 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.993 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.993 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.993 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:28.993 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.027 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.027 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.027 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.027 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.060 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.060 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.060 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.060 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.060 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.094 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.094 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.094 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.094 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.128 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.128 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.128 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.128 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.163 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.163 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.163 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.163 -> Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.
      21:16:29.163 -> Guru Meditation Error: Core 0

      posted in Units
      H
      heleb