Hi,
Flashing the modbus serial master example on an ESP32 wroom module results in a runtime error with the following trace:
I (29) boot: ESP-IDF v5.3-dev-892-g692c1fcc52-dirty 2nd stage bootloader
I (29) boot: compile time Dec 22 2023 11:29:50
I (31) boot: Multicore bootloader
I (36) boot: chip revision: v3.1
I (39) boot.esp32: SPI Speed : 80MHz
I (44) boot.esp32: SPI Mode : DIO
I (49) boot.esp32: SPI Flash Size : 4MB
I (53) boot: Enabling RNG early entropy source...
I (59) boot: Partition Table:
I (62) boot: ## Label Usage Type ST Offset Length
I (69) boot: 0 nvs WiFi data 01 02 00009000 00004000
I (77) boot: 1 otadata OTA data 01 00 0000d000 00002000
I (84) boot: 2 phy_init RF data 01 01 0000f000 00001000
I (92) boot: 3 ota_0 OTA app 00 10 00010000 00190000
I (99) boot: 4 ota_1 OTA app 00 11 001a0000 00190000
I (107) boot: End of partition table
I (111) esp_image: segment 0: paddr=00010020 vaddr=3f400020 size=0ba80h ( 47744) map
I (133) esp_image: segment 1: paddr=0001baa8 vaddr=3ffbdb60 size=0335ch ( 13148) load
I (137) esp_image: segment 2: paddr=0001ee0c vaddr=40080000 size=0120ch ( 4620) load
I (140) esp_image: segment 3: paddr=00020020 vaddr=400d0020 size=164a8h ( 91304) map
I (173) esp_image: segment 4: paddr=000364d0 vaddr=4008120c size=0ab54h ( 43860) load
I (194) boot: Loaded app from partition at offset 0x10000
I (194) boot: Disabling RNG early entropy source...
I (206) cpu_start: Multicore app
I (214) cpu_start: Pro cpu start user code
I (214) cpu_start: cpu freq: 160000000 Hz
I (214) cpu_start: Application information:
I (217) cpu_start: Project name: neilsoft_energy_meter
I (223) cpu_start: App version: 1
I (228) cpu_start: Compile time: Dec 22 2023 11:38:07
I (234) cpu_start: ELF file SHA256: d9854434f...
I (239) cpu_start: ESP-IDF: v5.3-dev-892-g692c1fcc52-dirty
I (246) cpu_start: Min chip rev: v0.0
I (251) cpu_start: Max chip rev: v3.99
I (256) cpu_start: Chip rev: v3.1
I (261) heap_init: Initializing. RAM available for dynamic allocation:
I (268) heap_init: At 3FFAE6E0 len 0000F480 (61 KiB): DRAM
I (274) heap_init: At 3FFC1930 len 0001E6D0 (121 KiB): DRAM
I (280) heap_init: At 3FFE0440 len 00003AE0 (14 KiB): D/IRAM
I (286) heap_init: At 3FFE4350 len 0001BCB0 (111 KiB): D/IRAM
I (293) heap_init: At 4008BD60 len 000142A0 (80 KiB): IRAM
Guru Meditation Error: Core 0 panic'ed (LoadStoreError). Exception was unhandled.
Core 0 register dump:
PC : 0x400013df PS : 0x00060d30 A0 : 0x800e5388 A1 : 0x3ffe3b80
0x400013df: strcpy in ROM
A2 : 0x4008c188 A3 : 0x3f402a22 A4 : 0x000000ff A5 : 0x0000ff00
A6 : 0x00ff0000 A7 : 0xff000000 A8 : 0x0000002f A9 : 0x3ffe3b40
A10 : 0x4008c188 A11 : 0x00000000 A12 : 0x3ffaea98 A13 : 0x00000800
A14 : 0x00000000 A15 : 0x000000c0 SAR : 0x0000001d EXCCAUSE: 0x00000003
EXCVADDR: 0x4008c188 LBEG : 0x40082a01 LEND : 0x40082a09 LCOUNT : 0x00000027
0x40082a01: esp_timer_impl_get_counter_reg at /home/shubhs/esp-idf/components/esp_timer/src/esp_timer_impl_lac.c:118
0x40082a09: esp_timer_impl_get_counter_reg at /home/shubhs/esp-idf/components/esp_timer/src/esp_timer_impl_lac.c:128
Backtrace: 0x400013dc:0x3ffe3b80 0x400e5385:0x3ffe3b90 0x400d374c:0x3ffe3bc0 0x400d128b:0x3ffe3be0 0x400d1b43:0x3ffe3c00 0x400d1b76:0x3ffe3c20 0x4008129a:0x3ffe3c50 0x4007964a:0x3ffe3c90 |<-CORRUPTED
0x400013dc: strcpy in ROM
0x400e5385: esp_vfs_register_common at /home/shubhs/esp-idf/components/vfs/vfs.c:109
0x400d374c: esp_vfs_console_register at /home/shubhs/esp-idf/components/vfs/vfs_console.c:200 (discriminator 1)
0x400d128b: __esp_system_init_fn_init_vfs_console at /home/shubhs/esp-idf/components/esp_system/startup_funcs.c:181
0x400d1b43: do_system_init_fn at /home/shubhs/esp-idf/components/esp_system/startup.c:126
0x400d1b76: do_core_init at /home/shubhs/esp-idf/components/esp_system/startup.c:164
(inlined by) start_cpu0_default at /home/shubhs/esp-idf/components/esp_system/startup.c:197
0x4008129a: call_start_cpu0 at /home/shubhs/esp-idf/components/esp_system/port/cpu_start.c:779 (discriminator 1)
ELF file SHA256: d9854434f
Rebooting...
Can someone please help.
Modbus Serial Master example results in runtime error
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Re: Modbus Serial Master example results in runtime error
Hi @ shubhs156,
This is not related to Modbus library but in the system library. This has been already fixed.
This is not related to Modbus library but in the system library. This has been already fixed.
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