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

    Core dump problem

    Scheduled Pinned Locked Moved Issues & Bugs
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    • S Offline
      sita
      last edited by

      Hello @andreas,

      I have updated the firmware version (1.20.2.rc3) and tried with LoPy4-1.20.1.r3-0.8.0-vanilla-squirrel.tar.gz, again same problem came. But this time code dump started immediately after uploading the project shown in the below.

      Uploading project (main folder)...

>>>
>>>
>>> Safe booting device... (see settings for more info)

>>> Guru Meditation Error: Core  1 panic'ed (LoadProhibited). Exception was unhandled.
Core 1 register dump:
PC      : 0x4012a170  PS      : 0x00060f30  A0      : 0x800e8848  A1      : 0x3ffdb1d0
A2      : 0x00000000  A3      : 0x3ffc1388  A4      : 0x00000001  A5      : 0x00000000
A6      : 0x3ffbd934  A7      : 0x3ffc4644  A8      : 0x3ffbf988  A9      : 0x00000000
A10     : 0x00000014  A11     : 0x00002c4a  A12     : 0x3ffbd934  A13     : 0x00000001
A14     : 0x000000fe  A15     : 0x00000000  SAR     : 0x00000020  EXCCAUSE: 0x0000001c
EXCVADDR: 0x00000134  LBEG    : 0x40098d60  LEND    : 0x40098d7c  LCOUNT  : 0xffffffff

Backtrace: 0x4012a170:0x3ffdb1d0 0x400e8845:0x3ffdb200 0x400e1563:0x3ffdb220 0x400e0962:0x3ffdb270

================= CORE DUMP START =================
HCwAAA4AAABsAQAA
NNn7PxCx/T/wsv0/
wLD9P5Cy/T9QLAAA7EL8P+xC/D802fs/5EL8PxQAAAAgLvs/IC77PzTZ+z8AAAAA
BQAAAPSi/T9TZXJ2ZXJzAET0R65ZlrcAAQAAAPCy/T8AAAAAIAUGAAUAAAABAAAA
TC77PwAAAAAAAAAAAAAAAAsAAADUZPs/PGX7P6Rl+z8AAAAAAAAAAAEAAAAAAAAA
Q5hAPwAAAAAIlwlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADm45Q==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AAAAALi0+z9JRExFMACC0GiuLQjFA1kAAAAAALS4+z8AAAAAIQAGAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAayzA==
hDkIQN4XIUAwCgYAqhkXgOC3+z8AAAAAAAAAAAAAAACgrvs/IPX7PyAIBgBIkvw/
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AAAAAAAAAAAAAAAAAAAAAAAAAAA=
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AAAAAA==
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AAAAAAAAAAA=
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
WHr7P9B4+z9Qevs/
0Hj7P/B5+z9bG56TBEL8PxBd+z9Yevs//EH8PwEAAAAodvs/KHb7P1h6+z8gdvs/
GAAAAFR2+z9pcGMwAK8nkgDUABY5q6AAAAAAAFB6+z8AAAAAIQAGABgAAAAAAAAA
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AAAAAOQjAAD+AAAAAQAAAP////8AAAAAUEH8P0BB/D/wdfs/AAAAAAEAAAAAAAAA
AAAAAPB5+z8AAAAAAAAAAFB8CEAAAAAAAAAAAAAAAAAhFAiAMDz+P+RB/D87ekA/
AAAAAAAAAAD8efs/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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fHL7P/Bw+z90cvs/
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FgAAAHhm+z9lc3BfdGltZXIA30+6hkQAAAAAAHRy+z8AAAAAIQAGABYAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAADUZPs/PGX7P6Rl+z8AAAAAAAAAAAEAAAAAAAAA
Q5hAPwAAAAAIlwlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJYfvg==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================= CORE DUMP END =================
Rebooting...
ets Jun  8 2016 00:22:57

rst:0xc (SW_CPU_RESET),boot:0x16 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff8020,len:8
load:0x3fff8028,len:2136
load:0x4009fa00,len:19860
entry 0x400a05d0
Pycom MicroPython 1.20.1.r3-0.8.0-vanilla-squirrel [v1.20.1.r2-14-g14649f08-dirty] on 2020-02-01; LoPy4 with ESP32
Type "help()" for more information.

      After this core dump, project is uploading and runs for some time and then core dump is coming.

      A 1 Reply Last reply Reply Quote 0
      • A Offline
        andreas @sita
        last edited by andreas

        Decoding this based on the .elf file for LoPy4-1.20.1.r3-0.8.0-vanilla-squirrel.tar.gz yields

        ==================== CURRENT THREAD STACK =====================
#0  0x4012a170 in esp_wifi_stop ()
#1  0x400e8848 in wlan_deinit (self_in=<optimized out>) at mods/modwlan.c:1326
#2  0x400e1566 in mp_hal_reset_safe_and_boot (reset=true) at hal/esp32_mphal.c:230
#3  0x400e0965 in TASK_Servers (pvParameters=<optimized out>) at serverstask.c:124

======================== THREADS INFO =========================
  Id   Target Id         Frame
  14   process 13        0x40091048 in xQueueGenericReceive (xQueue=0x3ffc40a8 <s_timer_semaphore_memory>, pvBuffer=0x0, xTicksToWait=4294967295, xJustPeeking=0) at /Users/iwahdan/esp/pycom-esp-idf/components/freertos/queue.c:1592
  13   process 12        0x40091048 in xQueueGenericReceive (xQueue=0x3ffb75fc, pvBuffer=0x0, xTicksToWait=4294967295, xJustPeeking=0) at /Users/iwahdan/esp/pycom-esp-idf/components/freertos/queue.c:1592
  12   process 11        0x4000bff0 in ?? ()
  11   process 10        0x4000bff0 in ?? ()
  10   process 9         0x4000bff0 in ?? ()
  9    process 8         0x40091048 in xQueueGenericReceive (xQueue=0x3ffb7bc8, pvBuffer=0x0, xTicksToWait=4294967295, xJustPeeking=0) at /Users/iwahdan/esp/pycom-esp-idf/components/freertos/queue.c:1592
  8    process 7         0x40091048 in xQueueGenericReceive (xQueue=0x3ffbac44, pvBuffer=0x3ffd9230, xTicksToWait=4294967295, xJustPeeking=0) at /Users/iwahdan/esp/pycom-esp-idf/components/freertos/queue.c:1592
  7    process 6         /builds/idf/crosstool-NG/.build/src/gdb-7.10/gdb/inline-frame.c:171: internal-error: inline_frame_this_id: Assertion `!frame_id_eq (*this_id, outer_frame_id)' failed.

        However, I am again not 100% sure if this gives the right pointers, depending on whether you used the original 1.20.2.rc3 when this core dump happened.

        1 Reply Last reply Reply Quote 0
        • A Offline
          andreas
          last edited by andreas

          In the meanwhile, Pycom released firmware version 1.20.2.rc3 [1] which might mitigate some bugs regarding LoRa [2]. So, you might again want to move on to try the updated/corresponding LoPy4-1.20.2.rc3-0.8.0-vanilla-squirrel.tar.gz?

          [1] https://community.hiveeyes.org/t/pycom-firmware-release-1-20-2/2945
          [2] https://community.hiveeyes.org/t/investigating-core-panics-on-the-lopy4/2878/29

          1 Reply Last reply Reply Quote 0
          • A Offline
            andreas
            last edited by andreas

            Dear @sita,

            @ps47 also experienced similar errors like you have been observing [1]. He is also using pure LoRa. Using the most recent 1.20.2.rc3 release seems to help here [2]. Thanks @husigeza and the whole Pycom team for mitigating this issue.

            I tried the new build LoPy4-1.20.2.rc3-0.8.0-vanilla-squirrel.tar.gz and not any “bad00bad bad00bad bad00bad” Core Panic happened till now.

            With kind regards,
            Andreas.

            [1] https://forum.pycom.io/topic/5514/random-core-panic-with-lora-socket-send-recv-device-doesnt-restart-try-with-config_esp32_panic_silent_reboot
            [2] https://community.hiveeyes.org/t/investigating-core-panics-on-the-lopy4/2878/29

            1 Reply Last reply Reply Quote 0

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