Unreliable LTSP DHCP server: No DHCP offers received on client

[John Hupp]

I have a couple small LTSP networks set up for testing.  On the network 
with Edubuntu 12.04, the LTSP client boot regularly fails at step one of 
the PXE boot with the message: "DHCP ..... No DHCP or proxyDHCP offers 
were received."

Restarting the isc-dhcp-server service always works, but something about 
the boot process regularly causes it to fail to start.  The restart 
command output:
     stop: Unknown instance:
     isc-dhcp-server start/running, process (pid goes here)

Dmesg includes these lines:
     init: isc-dhcp-server main process ended, respawning
     init: isc-dhcp-server main process (pid goes here) terminated
     init: isc-dhcp-server respawning too fast, stopped

Is anyone familiar with this problem?




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