[syslinux] PXELinux sporadic hangs searching for config file

[H. Peter Anvin]

Joe Mroczek wrote:
> 
> FYI... Root cause has been found. UDPRead function in PXE was not
> exiting. This was caused by the serial console handler improperly
> disabling an interrupt the PXE agent was using for a timer function.
> The net result was that PXELinux hung waiting for a response that
> would never come.
> 

I take it this is a serial console handler built into the BIOS, as 
opposed to the serial console support in pxelinux (since that never gets 
run due to no config file?)

	-hpa