named[4120]: socket.c:1100: unexpected error:

[Mark_Andrews at isc.org]

> While reoragnizing some rackspace we moved our DNS server last night and
> then rebooted it again tonight, as part of switchign which UPS it is plugged
> into.
> After rebooting it tonight we started seeing the following errors.
> Everything else on the server appears to be running OK.
> 
> I am running bind 9.2.1 on RH Linux 9. I have added the -d3 switch to get
> more debugging information, but no error messages are showing. Anyone have
> any idea what might cause this? The problem occured right after tonights
> power down (shutdown -h now) and restart.
> 
> I am at my wits end as to what might be causing this. I am unable recognize
> any clues that might point to the cause of this problem. Any assistance
> would be appreciated.
> 
> Feb 12 01:00:18 ns1 named[4120]: running
> Feb 12 01:00:20 ns1 named[4120]: socket.c:1100: unexpected error:
> Feb 12 01:00:20 ns1 named[4120]: internal_send: 244.254.254.254#53: Invalid
> argument
> Feb 12 01:00:20 ns1 named[4120]: socket.c:1100: unexpected error:
> Feb 12 01:00:20 ns1 named[4120]: internal_send: 244.254.254.254#53: Invalid
> argument
> Feb 12 01:00:20 ns1 named[4120]: socket.c:1100: unexpected error:
> ....
> and on and on and on

	Mark 244.254.254.254 as bogus.
> 
> 
> I also set debugging to d3 and have the following information:
> 
> Feb 12 00:56:11.026 client 61.171.17.89#64225: UDP request
> Feb 12 00:56:11.026 client 61.171.17.89#64225: request is not signed
> Feb 12 00:56:11.026 client 61.171.17.89#64225: recursion available: approved
> Feb 12 00:56:11.026 client 61.171.17.89#64225: query
> Feb 12 00:56:11.026 client 61.171.17.89#64225: query (cache) approved
> Feb 12 00:56:11.026 client 61.171.17.89#64225: send
> Feb 12 00:56:11.026 client 61.171.17.89#64225: sendto
> Feb 12 00:56:11.026 client 61.171.17.89#64225: senddone
> Feb 12 00:56:11.026 client 61.171.17.89#64225: next
> Feb 12 00:56:11.026 client 61.171.17.89#64225: endrequest
> Feb 12 00:56:11.027 client @0x8721670: udprecv
> Feb 12 00:56:11.031 resquery 0x87771e0 (fctx 0x87461e8): response
> Feb 12 00:56:11.031 fctx 0x87461e8: noanswer_response
> Feb 12 00:56:11.031 fctx 0x87461e8: cache_message
> Feb 12 00:56:11.031 fctx 0x87461e8: cancelquery
> Feb 12 00:56:11.031 fctx 0x87461e8: cancelqueries
> Feb 12 00:56:11.031 fctx 0x87461e8: try
> Feb 12 00:56:11.031 fctx 0x87461e8: cancelqueries
> Feb 12 00:56:11.031 fctx 0x87461e8: getaddresses
> Feb 12 00:56:11.031 fctx 0x87461e8: query
> Feb 12 00:56:11.031 resquery 0x87445e0 (fctx 0x87461e8): send
> Feb 12 00:56:11.032 socket.c:1100: unexpected error:
> <<============ 1 Error appears here
> Feb 12 00:56:11.032 internal_send: 244.254.254.254#53: Invalid argument
> Feb 12 00:56:11.032 resquery 0x87445e0 (fctx 0x87461e8): sent
> Feb 12 00:56:11.032 resquery 0x87445e0 (fctx 0x87461e8): senddone
> Feb 12 00:56:11.032 fctx 0x87461e8: cancelquery
> Feb 12 00:56:11.034 resquery 0x8774ef0 (fctx 0x874b138): response
> Feb 12 00:56:11.034 fctx 0x874b138: answer_response
> Feb 12 00:56:11.034 fctx 0x874b138: cache_message
> Feb 12 00:56:11.034 fctx 0x874b138: cancelquery
> Feb 12 00:56:11.035 fctx 0x874b138: done
> Feb 12 00:56:11.035 fctx 0x874b138: stopeverything
> Feb 12 00:56:11.035 fctx 0x874b138: cancelqueries
> Feb 12 00:56:11.035 fctx 0x874b138: sendevents
> Feb 12 00:56:11.035 fetch 0x8616de8 (fctx 0x874b138): destroyfetch
> Feb 12 00:56:11.035 fctx 0x874b138: shutdown
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 DNS_EVENT_ADBMOREADDRESSES
> Feb 12 00:56:11.035 resquery 0x8775168 (fctx 0x8763110): response
> 
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org