I remember a story from the early days of the internet (maybe ARPANET at
that point) when there was a bug in NTP and, for a time, it was most of
the traffic on the internet...
Anyway, last night my internets at home were working normally, but this
morning they were crappy. I went out and when I got home they were
still crappy. I assumed it was Verizon's fault, what with their
unmaintained copper wires...but that wasn't it Verizon this time.
My NTP daemon went crazy.
I have an ancient (Ubuntu 7.04) basement server that does very basic
things, roughly:
- DHCP server,
- QEMU host for three little virtual machines, and
- NTP client/server.
When I called my DSL provider to complain I was told that I was pegging
my upstream bandwidth. Huh??
After poking around I finally isolated it: NTP. Turn it on and my
first-hop-ping jumps from a dozen-ish ms to several hundred-ish ms. Turn
it off and the ping times fall back to dozen-ish ms.
I tried commenting out half my "server" entries in my /etc/ntp.conf
file: same thing. I tried commenting out all of the "server" entries
and still the same thing.
Am I just dying of bit rot? Something gone bad in my ntp binary??
Ideas?
Thanks,
-kb, the Kent who figures it is a sign from God to build a new basement
server.
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