[GH-ISSUE #1842] ESP32-C3 Super Mini crash #1548

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opened 2026-02-28 01:30:29 +03:00 by kerem · 2 comments
Owner

Originally created by @bota87 on GitHub (Nov 30, 2025).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1842

Hi, I'm trying to run the basic example on a esp32-c3 super mini, I can see the AP but the esp crash once I try to connect

I'm using vs code with pioarduino

[env:esp32-c3-devkitm-1]
platform = espressif32
board = esp32-c3-devkitm-1
framework = arduino

monitor_speed = 115200
lib_deps = WiFiManager@^2.0.17

build_flags = 
    -D ARDUINO_USB_CDC_ON_BOOT=1
    -D ARDUINO_USB_MODE=1
[MEM] free: 206000 | max: 49140 | frag:  77% 
*wm:[2] v2.0.17  D:5
[MEM] free: 206000 | max: 49140 | frag:  77% 
*wm:[2] resetSettings 
[MEM] free: 206000 | max: 49140 | frag:  77% 
*wm:[4] WiFi_enableSTA enable
[MEM] free: 240996 | max: 49140 | frag:  80% 
*wm:[2] SETTINGS ERASED 
[MEM] free: 240964 | max: 49140 | frag:  80% 
*wm:[2] AutoConnect 
[MEM] free: 240964 | max: 49140 | frag:  80% 
*wm:[4] No Hostname to set 
[MEM] free: 205948 | max: 49140 | frag:  77%
*wm:[3] ESP32 event handler enabled
[MEM] free: 205852 | max: 49140 | frag:  77%
*wm:[3] Connecting as wifi client...
[MEM] free: 205852 | max: 49140 | frag:  77%
*wm:[4] STA static IP:
[MEM] free: 205852 | max: 49140 | frag:  77%
*wm:[3] setSTAConfig static ip not set, skipping
[MEM] free: 205852 | max: 49140 | frag:  77%
*wm:[2] No wifi saved, skipping
[MEM] free: 205804 | max: 49140 | frag:  77% 
*wm:[3] Connection result: WL_NO_SSID_AVAIL
[MEM] free: 205804 | max: 49140 | frag:  77%
*wm:[4] lastconxresult: WL_NO_SSID_AVAIL
[MEM] free: 205852 | max: 49140 | frag:  77%
*wm:[2] AutoConnect: FAILED for  16 ms
[MEM] free: 205852 | max: 49140 | frag:  77%
*wm:[3] Starting Config Portal
[MEM] free: 202176 | max: 49140 | frag:  76%
*wm:[4] WiFi station disconnect
[MEM] free: 202176 | max: 49140 | frag:  76%
*wm:[4] WiFi_enableSTA enable
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[3] Disabling STA
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[3] Enabling AP
[MEM] free: 203896 | max: 49140 | frag:  76%
*wm:[2] StartAP with SSID:  ESP32_91729208
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[3] AP has anonymous access!
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] SoftAP Configuration
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] --------------------
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] ssid:             ESP32_91729208
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] password:
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] ssid_len:         14
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] channel:          1
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] authmode:
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] ssid_hidden:
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] max_connection:   4
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] country:          01 ␁␋␔��
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] beacon_interval:  100(ms)
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] --------------------
[MEM] free: 203960 | max: 49140 | frag:  76% 
*wm:[2] AP IP address: 192.168.4.1
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[4] setupConfigPortal
[MEM] free: 203960 | max: 49140 | frag:  76%
*wm:[2] Starting Web Portal
[MEM] free: 200600 | max: 49140 | frag:  76%
*wm:[3] HTTP server started
[MEM] free: 200600 | max: 49140 | frag:  76%
*wm:[4] setupDNSD
[MEM] free: 200492 | max: 49140 | frag:  76%
*wm:[4] dns server started with ip:  192.168.4.1
[MEM] free: 195432 | max: 49140 | frag:  75%
*wm:[3] Config Portal Running, blocking, waiting for clients...
Guru Meditation Error: Core  0 panic'ed (Illegal instruction). Exception was unhandled.

Core  0 register dump:
MEPC    : 0x420ac4cc  RA      : 0x4200a69e  SP      : 0x3fca1cc0  GP      : 0x3fc90600
TP      : 0x3fca21d0  T0      : 0x37363534  T1      : 0x3ffffec2  T2      : 0x33323130
S0/FP   : 0x3fcb256c  S1      : 0x3fcac928  A0      : 0x3fcb2574  A1      : 0x00000001
A2      : 0x00000000  A3      : 0x00000004  A4      : 0x00000000  A5      : 0x00000000
A6      : 0x3fc944a4  A7      : 0x00000000  S2      : 0x3fc99000  S3      : 0x3fc99000
S4      : 0x3c0d4000  S5      : 0x00000000  S6      : 0x00000000  S7      : 0x00000000
S8      : 0x00000000  S9      : 0x00000000  S10     : 0x00000000  S11     : 0x00000000
T3      : 0x00000014  T4      : 0x3fc99000  T5      : 0x3fc99000  T6      : 0x62613938
MSTATUS : 0x00001881  MTVEC   : 0x40380001  MCAUSE  : 0x00000002  MTVAL   : 0x06b5202f
MHARTID : 0x00000000

Stack memory:
3fca1cc0: 0x403882a8 0x3fca1ce8 0x3fcac914 0x4200a6d8 0x3fc99000 0x3fcac914 0x3fcac874 0x4200be22
3fca1ce0: 0x3fca1e74 0x3fc99000 0x3c0e78ac 0x00000000 0x000003e8 0x3fc99000 0x3fcb2180 0x3fcb256c
3fca1d00: 0x3fcb2590 0x3fcb2fe8 0x3fc90001 0x00000bb8 0x00000000 0x00000000 0x00000000 0x00000000
3fca1d20: 0x403882a8 0x40388298 0x3fca1da0 0xa924a1b8 0x3fca21d0 0x37363534 0x3fca1e74 0x00000000
3fca1d40: 0x3fc99000 0x3fc99000 0x3fca1e74 0x420153c6 0x3fc99000 0x3fc99000 0x00000001 0x600c0028
3fca1d60: 0x00000001 0x3fc94000 0x00000001 0x00000000 0x3c0d4000 0x00000000 0x00000000 0x00000000
3fca1d80: 0x00000000 0x00000000 0x00000000 0xa924a1b8 0x00000014 0x3fc99000 0x3c0d4000 0x00000000
3fca1da0: 0x00000001 0x3fc99000 0x3fca1e74 0x42015836 0x00000001 0x3fc99000 0x3fca1e74 0x3fcae3c8
3fca1dc0: 0x00000000 0x00000000 0x00000000 0x0201822e 0x00000000 0x00000000 0x00000000 0x05018280
3fca1de0: 0x00000000 0x00000000 0x00000000 0x0500ca34 0x3c0e51f8 0x3fc99000 0x3fca1e74 0xa924a1b8
3fca1e00: 0x00000000 0x00000000 0x00000000 0xa924a1b8 0x00000000 0x00000000 0x3c0d4000 0x3c0d4000
3fca1e20: 0x00000000 0x3fc99000 0x3fca1e74 0x42015c26 0x00000000 0x00000000 0x00000000 0x3fcae3c8
3fca1e40: 0x0000000f 0x0000000e 0x3c0d4000 0xa924a1b8 0x00000000 0x3fc99000 0x3fc93000 0x42016290
3fca1e60: 0xa5a5a5a5 0x00000000 0x00000000 0x00000000 0x01a5a5a5 0x3fcaf9e8 0x3fcac874 0x3fcae444
3fca1e80: 0x3fcae449 0x3fcae44c 0x3fcadbec 0x3fcadbfc 0x3fcadbfc 0x3fcae3e8 0x3fcae3fc 0x3fcae3fc
3fca1ea0: 0x3fcae40c 0x3fcae420 0x3fcae420 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000
3fca1ec0: 0x00000000 0xa5a5a500 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000
3fca1ee0: 0xa5a5a500 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500
3fca1f00: 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x3c0ea344
3fca1f20: 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x3c0ea344 0x00000000
3fca1f40: 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x3c0ea344 0x00000000 0x00000000
3fca1f60: 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x00004e69 0x00000000 0xa5a5a501 0x00000000
3fca1f80: 0x00000000 0x00000000 0x00000dfe 0xa5a5a535 0x33505345 0x31395f32 0x32393237 0x8e003830
3fca1fa0: 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x00000000 0x00000000 0x00000000 0x80a5a5a5
3fca1fc0: 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x00000000 0x00000000 0x00000000 0x80a5a5a5
3fca1fe0: 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x00000000 0x00000000 0x00000000 0x00000001
3fca2000: 0x33505345 0x00000032 0x00000000 0x85a5a5a5 0x000007d0 0x01000100 0xa5a5a500 0x00000000
3fca2020: 0x0050a500 0xa5010001 0x00000005 0xa5a5a507 0xffffffff 0x00000000 0x00000000 0x01000001
3fca2040: 0x00010101 0x01010001 0x01010001 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x3c0e51f8
3fca2060: 0x3c0e51f8 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x69466957 0x616e614d 0x00726567
3fca2080: 0x8ba5a5a5 0xa5a5a500 0x00007530 0xa5000000 0x00000000 0x00000000 0x00000000 0x80a5a5a5
3fca20a0: 0x00000100 0x00000100 0xa5a50100 0x00000000 0x00000000 0x00000005 0x00000000 0xa5a5a501



ELF file SHA256: 940ac7ef6

Rebooting...
ESP-ROM:esp32c3-api1-20210207
Build:Feb  7 2021
rst:0xc (RTC_SW_CPU_RST),boot:0xd (SPI_FAST_FLASH_BOOT)
Saved PC:0x40386d6c
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fcd5820,len:0x1174
load:0x403cbf10,len:0xb54
load:0x403ce710,len:0x2fb4
entry 0x403cbf10
Originally created by @bota87 on GitHub (Nov 30, 2025). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/1842 Hi, I'm trying to run the basic example on a esp32-c3 super mini, I can see the AP but the esp crash once I try to connect I'm using vs code with pioarduino ``` [env:esp32-c3-devkitm-1] platform = espressif32 board = esp32-c3-devkitm-1 framework = arduino monitor_speed = 115200 lib_deps = WiFiManager@^2.0.17 build_flags = -D ARDUINO_USB_CDC_ON_BOOT=1 -D ARDUINO_USB_MODE=1 ``` ``` [MEM] free: 206000 | max: 49140 | frag: 77% *wm:[2] v2.0.17 D:5 [MEM] free: 206000 | max: 49140 | frag: 77% *wm:[2] resetSettings [MEM] free: 206000 | max: 49140 | frag: 77% *wm:[4] WiFi_enableSTA enable [MEM] free: 240996 | max: 49140 | frag: 80% *wm:[2] SETTINGS ERASED [MEM] free: 240964 | max: 49140 | frag: 80% *wm:[2] AutoConnect [MEM] free: 240964 | max: 49140 | frag: 80% *wm:[4] No Hostname to set [MEM] free: 205948 | max: 49140 | frag: 77% *wm:[3] ESP32 event handler enabled [MEM] free: 205852 | max: 49140 | frag: 77% *wm:[3] Connecting as wifi client... [MEM] free: 205852 | max: 49140 | frag: 77% *wm:[4] STA static IP: [MEM] free: 205852 | max: 49140 | frag: 77% *wm:[3] setSTAConfig static ip not set, skipping [MEM] free: 205852 | max: 49140 | frag: 77% *wm:[2] No wifi saved, skipping [MEM] free: 205804 | max: 49140 | frag: 77% *wm:[3] Connection result: WL_NO_SSID_AVAIL [MEM] free: 205804 | max: 49140 | frag: 77% *wm:[4] lastconxresult: WL_NO_SSID_AVAIL [MEM] free: 205852 | max: 49140 | frag: 77% *wm:[2] AutoConnect: FAILED for 16 ms [MEM] free: 205852 | max: 49140 | frag: 77% *wm:[3] Starting Config Portal [MEM] free: 202176 | max: 49140 | frag: 76% *wm:[4] WiFi station disconnect [MEM] free: 202176 | max: 49140 | frag: 76% *wm:[4] WiFi_enableSTA enable [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[3] Disabling STA [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[3] Enabling AP [MEM] free: 203896 | max: 49140 | frag: 76% *wm:[2] StartAP with SSID: ESP32_91729208 [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[3] AP has anonymous access! [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] SoftAP Configuration [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] -------------------- [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] ssid: ESP32_91729208 [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] password: [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] ssid_len: 14 [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] channel: 1 [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] authmode: [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] ssid_hidden: [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] max_connection: 4 [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] country: 01 ␁␋␔�� [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] beacon_interval: 100(ms) [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] -------------------- [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] AP IP address: 192.168.4.1 [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[4] setupConfigPortal [MEM] free: 203960 | max: 49140 | frag: 76% *wm:[2] Starting Web Portal [MEM] free: 200600 | max: 49140 | frag: 76% *wm:[3] HTTP server started [MEM] free: 200600 | max: 49140 | frag: 76% *wm:[4] setupDNSD [MEM] free: 200492 | max: 49140 | frag: 76% *wm:[4] dns server started with ip: 192.168.4.1 [MEM] free: 195432 | max: 49140 | frag: 75% *wm:[3] Config Portal Running, blocking, waiting for clients... Guru Meditation Error: Core 0 panic'ed (Illegal instruction). Exception was unhandled. Core 0 register dump: MEPC : 0x420ac4cc RA : 0x4200a69e SP : 0x3fca1cc0 GP : 0x3fc90600 TP : 0x3fca21d0 T0 : 0x37363534 T1 : 0x3ffffec2 T2 : 0x33323130 S0/FP : 0x3fcb256c S1 : 0x3fcac928 A0 : 0x3fcb2574 A1 : 0x00000001 A2 : 0x00000000 A3 : 0x00000004 A4 : 0x00000000 A5 : 0x00000000 A6 : 0x3fc944a4 A7 : 0x00000000 S2 : 0x3fc99000 S3 : 0x3fc99000 S4 : 0x3c0d4000 S5 : 0x00000000 S6 : 0x00000000 S7 : 0x00000000 S8 : 0x00000000 S9 : 0x00000000 S10 : 0x00000000 S11 : 0x00000000 T3 : 0x00000014 T4 : 0x3fc99000 T5 : 0x3fc99000 T6 : 0x62613938 MSTATUS : 0x00001881 MTVEC : 0x40380001 MCAUSE : 0x00000002 MTVAL : 0x06b5202f MHARTID : 0x00000000 Stack memory: 3fca1cc0: 0x403882a8 0x3fca1ce8 0x3fcac914 0x4200a6d8 0x3fc99000 0x3fcac914 0x3fcac874 0x4200be22 3fca1ce0: 0x3fca1e74 0x3fc99000 0x3c0e78ac 0x00000000 0x000003e8 0x3fc99000 0x3fcb2180 0x3fcb256c 3fca1d00: 0x3fcb2590 0x3fcb2fe8 0x3fc90001 0x00000bb8 0x00000000 0x00000000 0x00000000 0x00000000 3fca1d20: 0x403882a8 0x40388298 0x3fca1da0 0xa924a1b8 0x3fca21d0 0x37363534 0x3fca1e74 0x00000000 3fca1d40: 0x3fc99000 0x3fc99000 0x3fca1e74 0x420153c6 0x3fc99000 0x3fc99000 0x00000001 0x600c0028 3fca1d60: 0x00000001 0x3fc94000 0x00000001 0x00000000 0x3c0d4000 0x00000000 0x00000000 0x00000000 3fca1d80: 0x00000000 0x00000000 0x00000000 0xa924a1b8 0x00000014 0x3fc99000 0x3c0d4000 0x00000000 3fca1da0: 0x00000001 0x3fc99000 0x3fca1e74 0x42015836 0x00000001 0x3fc99000 0x3fca1e74 0x3fcae3c8 3fca1dc0: 0x00000000 0x00000000 0x00000000 0x0201822e 0x00000000 0x00000000 0x00000000 0x05018280 3fca1de0: 0x00000000 0x00000000 0x00000000 0x0500ca34 0x3c0e51f8 0x3fc99000 0x3fca1e74 0xa924a1b8 3fca1e00: 0x00000000 0x00000000 0x00000000 0xa924a1b8 0x00000000 0x00000000 0x3c0d4000 0x3c0d4000 3fca1e20: 0x00000000 0x3fc99000 0x3fca1e74 0x42015c26 0x00000000 0x00000000 0x00000000 0x3fcae3c8 3fca1e40: 0x0000000f 0x0000000e 0x3c0d4000 0xa924a1b8 0x00000000 0x3fc99000 0x3fc93000 0x42016290 3fca1e60: 0xa5a5a5a5 0x00000000 0x00000000 0x00000000 0x01a5a5a5 0x3fcaf9e8 0x3fcac874 0x3fcae444 3fca1e80: 0x3fcae449 0x3fcae44c 0x3fcadbec 0x3fcadbfc 0x3fcadbfc 0x3fcae3e8 0x3fcae3fc 0x3fcae3fc 3fca1ea0: 0x3fcae40c 0x3fcae420 0x3fcae420 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000 3fca1ec0: 0x00000000 0xa5a5a500 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 3fca1ee0: 0xa5a5a500 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500 3fca1f00: 0x3c0ea344 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x3c0ea344 3fca1f20: 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x3c0ea344 0x00000000 3fca1f40: 0x00000000 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x3c0ea344 0x00000000 0x00000000 3fca1f60: 0x00000000 0x00000000 0x00000000 0xa5a5a500 0x00004e69 0x00000000 0xa5a5a501 0x00000000 3fca1f80: 0x00000000 0x00000000 0x00000dfe 0xa5a5a535 0x33505345 0x31395f32 0x32393237 0x8e003830 3fca1fa0: 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x00000000 0x00000000 0x00000000 0x80a5a5a5 3fca1fc0: 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x00000000 0x00000000 0x00000000 0x80a5a5a5 3fca1fe0: 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x00000000 0x00000000 0x00000000 0x00000001 3fca2000: 0x33505345 0x00000032 0x00000000 0x85a5a5a5 0x000007d0 0x01000100 0xa5a5a500 0x00000000 3fca2020: 0x0050a500 0xa5010001 0x00000005 0xa5a5a507 0xffffffff 0x00000000 0x00000000 0x01000001 3fca2040: 0x00010101 0x01010001 0x01010001 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x3c0e51f8 3fca2060: 0x3c0e51f8 0x00000000 0x00000000 0x00000000 0x80a5a5a5 0x69466957 0x616e614d 0x00726567 3fca2080: 0x8ba5a5a5 0xa5a5a500 0x00007530 0xa5000000 0x00000000 0x00000000 0x00000000 0x80a5a5a5 3fca20a0: 0x00000100 0x00000100 0xa5a50100 0x00000000 0x00000000 0x00000005 0x00000000 0xa5a5a501 ELF file SHA256: 940ac7ef6 Rebooting... ESP-ROM:esp32c3-api1-20210207 Build:Feb 7 2021 rst:0xc (RTC_SW_CPU_RST),boot:0xd (SPI_FAST_FLASH_BOOT) Saved PC:0x40386d6c SPIWP:0xee mode:DIO, clock div:1 load:0x3fcd5820,len:0x1174 load:0x403cbf10,len:0xb54 load:0x403ce710,len:0x2fb4 entry 0x403cbf10 ```
kerem closed this issue 2026-02-28 01:30:29 +03:00
Author
Owner

@bota87 commented on GitHub (Nov 30, 2025):

Probably the problem it's on my platformio.ini config, I've tried to upload with Arduino IDE and it work's without problem

<!-- gh-comment-id:3592710298 --> @bota87 commented on GitHub (Nov 30, 2025): Probably the problem it's on my platformio.ini config, I've tried to upload with Arduino IDE and it work's without problem
Author
Owner

@bota87 commented on GitHub (Nov 30, 2025):

Solved after removing the .platformio folder under c:\users

<!-- gh-comment-id:3593514095 --> @bota87 commented on GitHub (Nov 30, 2025): Solved after removing the .platformio folder under c:\users
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starred/WiFiManager#1548
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