[syslinux] PXELinux sporadic hangs searching for config file

H. Peter Anvin hpa at zytor.com
Mon Mar 13 17:58:47 PST 2006

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?)


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