[syslinux] Custom .c32 module which can send tcp or udp packets
H. Peter Anvin
hpa at zytor.com
Fri Mar 13 11:07:45 PDT 2009
Ferenc Wagner wrote:
> "H. Peter Anvin" <hpa at zytor.com> writes:
>
>> You can't open the network card if you're not booted from PXE.
>> That's sort of a fundamental limitation.
>
> Not even if you tried to boot from the network, but gave up and fall
> through to CD boot for example?
Correct.
>> Writing a local file is even scarier... you constantly have to be
>> concerned about nuking real data there.
>
> Internet suggests that the VGA framebuffer is preserved accross
> reboots. Maye dump there and have a small utility to read it out
> after reboot. It was discussed under the name of "Oops assist", but
> see also http://marc.info/?l=linux-kernel&m=93077831203565&w=2.
>
> Looks like it wasn't ever deemed worth the effort...
Reality suggests that it is not.
-hpa
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