mysterious wedges in bind9

Noel Butler noel.butler at
Tue Jun 2 22:36:56 UTC 2009

On Tue, 2009-06-02 at 16:52 -0500, travis+ml-bind at

> Hello,
> My primary bind9 name server which does double-duty as a server and recursive lookup
> is becoming "wedged" where it does not respond to queries or stop events from rndc.
> Sending SIGTERM does not work; I have to SIGKILL (kill -9) it.
> Package info:
> ii  bind9                 1:9.5.0.dfsg.P2-1ubun Internet Domain Name Server
> OS:
> Ubuntu 8.10
> Needless to say, this is causing me a headache.  When it's down, SSH operations
> take over a minute.
> Strangely, I have an identical server which slaves all the same domains but does
> not ever exhibit this behavior.
> What can/should I do to troubleshoot this?

for starters thats an old version, perhaps obtain the a latest source
for v9.5 it is  9.5.1-p2 and try that.
You can build and run bind manually from the build directory (this means
dont do make install and you can still keep your existing hacked ubuntu
version to eliminate it as a cause), if after a while you think its all
good, then remove ubuntus bind and then issue make install (backup your
named.,conf and zone files, as who knows what ubuntu will do when you
issue apt-get remove


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