[syslinux] Debugging gPXE -> PXELinux -> LTSP

[H. Peter Anvin]

Peter Russell wrote:
>>>
>>> Loading vmlinuz...... aborted.
>>> boot:
>> Seems like an error in PXELINUX
>> (PXELINUX is the one that is loading vmlinux,
>> the 'boot:' prompt is also from PXELINUX )
> 
> Sadly we've had to cancel our LTSP project, so I'm no longer too
> concerned about this, but FYI I later switched the network card in the
> old PC for a 3COM 3C905 with a built in PXE ROM, and PXELinux worked
> fine.  That suggests to me that it's a conflict between gPXE and
> PXELinux.
> 

"aborted" meant it read ^C or Esc from either the keyboard or the serial 
port (if enabled).

If you have a serial port enabled, but not plugged in, you might be 
seeing glitches.  Unfortunately ^C is a reasonably easy pattern to 
generate by mistake (three bit-times of RS-232 "space").

	-hpa