XIAO ESP32C5 assertion "result == ETS_OK" failed
Author: konomikittenCreated Sep 11, 2026Updated Sep 11, 2026
Labelsbugport-esp32
Port, board and/or hardware
XIAO ESP32C5
MicroPython version
SEEED_XIAO_ESP32C5-20260824-v1.29.0.bin SEEED_XIAO_ESP32C5-20260904-v1.30.0-preview.58.g14e9793c91.bin
Reproduction
- Erase and flash bin file with esptool
- Connect with mpremote
Expected behaviour
MicroPython prompt
Observed behaviour
$ mpremote
ESP-ROM:esp32c5-eco2-20250121
Build:Jan 21 2025
rst:0x7 (TG0_WDT_HPSYS),boot:0x78 (SPI_FAST_FLASH_BOOT)
Core0 Saved PC:0x40026cfc
invalid header: 0x45054641
invalid header: 0x45054641
invalid header: 0x45054641
assertion "result == ETS_OK" failed: file "ets_main.c", line 369, function: ets_flash_boot
ESP-ROM:esp32c5-eco2-20250121
Build:Jan 21 2025
rst:0x7 (TG0_WDT_HPSYS),boot:0x78 (SPI_FAST_FLASH_BOOT)
Core0 Saved PC:0x40026cfc
invalid header: 0x45054641
invalid header: 0x45054641
invalid header: 0x45054641
assertion "result == ETS_OK" failed: file "ets_main.c", line 369, function: ets_flash_boot
Additional Information
No, I've provided everything above.
Code of Conduct
Yes, I agree
Source: micropython/micropython