Re: ntpd vs selinux

Tim wrote:
Gene Heskett:
Jun 30 22:37:14 diablo ntpd[1936]: sendto(194.145.249.108): Invalid argument
Jun 30 22:38:01 diablo ntpd[1936]: sendto(194.102.249.64): Invalid argument
Jun 30 22:42:04 diablo ntpd[1936]: sendto(193.40.133.134): Invalid argument

Tim:
For what it's worth, I'd see the same sort of thing if NTP was run
twice. Don't ask how that might happen, I've not figured it out. If I
checked the running processes, killed off all the NTPDs then restarted,
it went away.
Gene Heskett:
I didn't kill any extra ntpd's. just a regular 'service ntpd restart'

Another thing that has that effect, that I'd forgotten about since
leaving dial-up internet, was an interface going down that NTP was
using. I had to put an NTP restart script into my ifup post PPP script,
to restart the NTP server after a new connection. It just wouldn't keep
on working by itself.

That makes perfect sense now that I get 4 for an answer, Tim. :) My dhcp lease was renewed in the middle of the night, giving me a different address in the 192.168 block.

I assume that would have the same effect. For the rest of the system, it appears to be transparent and I have not rebooted.

From the log, thats exactly what happened:

Jun 30 16:26:05 diablo dhclient: DHCPREQUEST on wlan0 to 192.168.1.1 port 67
Jun 30 16:26:05 diablo dhclient: DHCPNAK from 192.168.1.1
Jun 30 16:26:05 diablo dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
Jun 30 16:26:06 diablo dhclient: DHCPOFFER from 192.168.1.1
Jun 30 16:26:06 diablo dhclient: DHCPREQUEST on wlan0 to 255.255.255.255 port 67
Jun 30 16:26:06 diablo dhclient: DHCPACK from 192.168.1.1
Jun 30 16:26:06 diablo avahi-daemon[2046]: Withdrawing address record for 192.168.1.103 on wlan0.
Jun 30 16:26:06 diablo avahi-daemon[2046]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.103.
Jun 30 16:26:06 diablo avahi-daemon[2046]: iface.c: interface_mdns_mcast_join() called but no local address available.
Jun 30 16:26:06 diablo avahi-daemon[2046]: Interface wlan0.IPv4 no longer relevant for mDNS.
Jun 30 16:26:06 diablo avahi-daemon[2046]: New relevant interface wlan0.IPv4 for mDNS.
Jun 30 16:26:06 diablo avahi-daemon[2046]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.105.
Jun 30 16:26:06 diablo avahi-daemon[2046]: Registering new address record for 192.168.1.105 on wlan0.
Jun 30 16:26:06 diablo dhclient: bound to 192.168.1.105 -- renewal in 42563 seconds.

And at that point, those messages:

Jun 30 16:26:31 diablo ntpd[1936]: sendto(193.40.133.134): Invalid argument

started.

in other words, problem solved. This avahi-daemon is a new item to me. Should I bugzilla it for not restarting ntpd if it was found to be running?

--
Cheers, Gene

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