[syslinux] etherboot 5.3.14 and pxelinux keyboard problem

[H. Peter Anvin]

Quinn wrote:
> 
> Now it seems I have found a bug in PXELINUX with regards to etherboot. 
> Up until 2.07 pxelinux was responsive to the keyboard.  From 2.08 and up 
> the keyboard is locked at the boot prompt when pxelinux is loaded via 
> etherboot 5.3.14.
> 

That would not be a PXELINUX bug, but an Etherboot bug.  The PXE READ 
UDP call is defined as non-blocking, but several implementors have 
screwed that one up (including VMWare.)  Unfortunately not answering 
ARPs has bad effects, too.

	-hpa