[ipxe-devel] where to begin debugging

[Michael Brown]

On 11/01/2026 21:03, Geert Stappers via ipxe-devel wrote:
>> Being a bootloader, that iPXE is, implies starting with nothing.
>> Having nothing means having no debugprintroutines.
>>
>> What is the first console output that iPXE produces?
>>
>> Which DEBUG=   to use to follow the program flow?
>> As in:  Which .c file contains main()?

main() is in core/main.c (for x86 BIOS or RISC-V SBI builds: UEFI has 
its own flow with multiple possible entry points).  But that's not 
particularly useful in terms of debugging.

> I'm asking for my future self. Would be cool if My future self
> will find the "where to begin debugging" on the iPXE website
> or here in the mailinglist archive.

If the starting point is an iPXE error message, then the error page 
already includes suggestions of which DEBUG options to attempt first.

Michael