--- WARNING: GDB cannot open serial ports accessed as COMx --- Using \\.\COM3 instead... --- idf_monitor on \\.\COM3 115200 --- --- Quit: Ctrl+] | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H --- 0x4200dd23: __sfvwrite_r at /builds/idf/crosstool-NG/.build/HOST-x86_64-w64-mingw32/xtensa-esp32s3-elf/src/newlib/newlib/libc/stdio/fvwrite.c:89