UDP client handler shuts down, and BIND stops responding

Corby Bennett CorbyB at techheads.com
Tue Nov 8 18:26:38 UTC 2016


Thanks.  How do I follow-up on the status of my ticket?  

-Corby

-----Original Message-----
From: Mark Andrews [mailto:marka at isc.org] 
Sent: Tuesday, November 01, 2016 1:01 PM
To: Corby Bennett <CorbyB at techheads.com>
Cc: bind-users at lists.isc.org <bind-users at isc.org>
Subject: Re: UDP client handler shuts down, and BIND stops responding


In message <BN3PR0601MB1445850E80C9FF6E4C5DF9B4D3A10 at BN3PR0601MB1445.namprd06.prod.outlook.com>, Corby Bennett writes:
> 
> I am running BIND 9.11.0x64 on Windows Server 2012 R2, and hosting 
> over 35K=  zones.  Unfortunately, running on a non-Windows OS is not 
> an option at thi= s time.
> Occasionally BIND will stop responding to queries.  The service keeps 
> runni= ng.  Query requests are still logged, but responses are never 
> received by t= he DNS client on the other end.  Restarting the service 
> resolves this until=  the next time it happens.  This is what I see in 
> my Default.log after the =
> event:
> 
> 31-Oct-2016 21:45:06.830 general: error: socket.c:2525: unexpected error:
> 31-Oct-2016 21:45:07.142 general: error: unable to convert errno to 
> isc_res=
> ult: 234: More data is available.
> 31-Oct-2016 21:45:07.142 general: error: socket.c:2545: unexpected error:
> 31-Oct-2016 21:45:07.142 general: error: SOCKET_RECV: Windows error 
> code: 2= 34, returning ISC error 34
> 31-Oct-2016 21:45:07.142 client: error: UDP client handler shutting 
> down du= e to fatal receive error: unexpected error
> 
> I don't see any messages logged that would indicate anything out of 
> the ord= inary happening in BIND.  Right before the first error 
> message there are en= tries for denied dynamic updates, but that is 
> normal for my environment.  F= or now, I have implemented a workaround 
> to automatically restart BIND when = this problem is detected, but it 
> is a band-aid and I would prefer a real so= lution.
> 
> Has anyone ever seen anything like this before that can offer me some 
> guida= nce in troubleshooting?  Or, have I uncovered a genuine bug 
> that I should s= ubmit to ISC?
> 
> 
> Thank you,
> Corby
> 
I've opened a ticket for you.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org


More information about the bind-users mailing list