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Message-Id: <201106302247.p5UMl8BJ051976@red.freebsd.org>
Date: Thu, 30 Jun 2011 22:47:08 GMT
From: Marcin Wisnicki <mwisnicki+freebsd@gmail.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: bind spams logs with unexpected errors
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>Number:         158543
>Category:       bin
>Synopsis:       named(8) spams logs with unexpected errors
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    dougb
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jun 30 22:50:08 UTC 2011
>Closed-Date:    Wed Jan 25 02:58:49 UTC 2012
>Last-Modified:  Wed Jan 25 02:58:49 UTC 2012
>Originator:     Marcin Wisnicki
>Release:        8.2-STABLE
>Organization:
>Environment:
FreeBSD ghost.pnet.one.pl 8.2-STABLE FreeBSD 8.2-STABLE #4: Sun Jun 26 15:10:04 CEST 2011     root@ghost.pnet.one.pl:/home/obj/usr/src/sys/SERWER_DDB  i386

>Description:
When Internet connection is down (ppp), named fills /var/log/messages
with thousands (dozens per second) of following errors:

Jul  1 00:17:21 ghost named[4346]: /usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/unix/socket.c:1705: unexpected error:
Jul  1 00:17:21 ghost named[4346]: internal_send: 2001:503:c27::2:30#53: Network is down
Jul  1 00:17:21 ghost named[4346]: /usr/src/lib/bind/isc/../../../contrib/bind9/lib/isc/unix/socket.c:1705: unexpected error:
Jul  1 00:17:21 ghost named[4346]: internal_send: 2001:503:c27::2:30#53: Network is down

For all ipv6 addresses of root servers.

This makes /var/log/messages grow so fast that it could fill entire
/var before newsyslog kicks in and cause all kind of problems requiring
manual intervention.  Lack of Internet, even for extended period of
time, shouldn't have such dramatic consequences. I'm therefore marking
this bug as critical.

I'm using 6to4 for IPv6, my named.conf is derived from default config
(added local zones and forwarding to dns servers of my isp).
>How-To-Repeat:
1. Disconnect from Internet
2. Restart named or try to lookup anything
3. Watch the logs or console
>Fix:


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: dougb 
State-Changed-When: Wed Jan 25 02:56:07 UTC 2012 
State-Changed-Why:  

named is telling you that the network is down, so it cannot 
do its job. If you don't want this to happen, disable it 
before you go off line (e.g., service named stop). 


Responsible-Changed-From-To: freebsd-bugs->dougb 
Responsible-Changed-By: dougb 
Responsible-Changed-When: Wed Jan 25 02:56:07 UTC 2012 
Responsible-Changed-Why:  

My area 


http://www.freebsd.org/cgi/query-pr.cgi?pr=158543 
>Unformatted:
