kexec-tools not loading iPXE zImage

I'm having an issue with kexec not being able to load a freshly compiled ipxe.lkrn file, even though it is a zImage:

# file ipxe.lkrn
ipxe.lkrn: Linux kernel x86 boot executable zImage, version \353FHdrS\007\002,RW-
rootFS,

# kexec -l ipxe.lkrn
Cannot determine the file type of ipxe.lkrn

Any ideas? Is there any way to determine where the error is, with the ipxe.lkrn file or kexec ?

Thank you,

Joshua

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Use the source?

My guess is that ipxe.lkrn uses a very old version of the x86 boot protocol.

Doing what you are doing is a bit iffy if the version of ipxe you are building depends upon BIOS calls.

It used to be possible to build a .elf version of etherboot that was bootable via linuxbios and depended on no BIOS calls, and that should work if the code survived the great gutting of etherboot.

Although this does seem a bit of a round about way to get something done, loading a more limited bootloader from what is essentially a more featureful bootloader.

Eric

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