Re: 2.6.23-rc1: no setup signature found...

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Borislav Petkov wrote:


if i do delete here, it loads the second stage of grub and continues to load the
kernel. Is there another way to land at the jmp instruction instead of poking
blindly, maybe disassemble something parts of the initial code. \me reading
grub-docs...
Oh lovely. The purpose of this was to intercept the running of the kernel setup code. If grub doesn't load it at a 64K boundary, it is hard to guess what it would do.
I'll do some experiments with qemu here and see if I can figure out a way to get it to trap at the right point. 

	-hpa
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