On Jun 2, 2009, at 4:52 PM, travis+ml-b...@subspacefield.org wrote:
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

We've seen this exact issue with another Ubuntu build of BIND, from I believe either Ubuntu 8.04 or 7.10. The solution was to build BIND from source code.

If you can, it's best to build a .deb package from the source code, so that later versions of BIND from Ubuntu will not overwrite your build. If you do this, make sure you compile it with the same configure options as Ubuntu (or really, Debian) uses, but be sure to not use any patches they apply to their build.

If you don't want to build a deb package, then you should probably copy your config to somewhere like /usr/local/etc, adjusting paths inside named.conf (and included files) as needed, and install your BIND to /usr/local also (which is the default behavior). Then rename and adjust the init script in /etc/init/bind9 (rename it to something like bind9-local). This way, subsequent operating system updates won't ever overwrite your version, even if you accidentally re-install the bind9 package.

Chris Buxton
Professional Services
Men & Mice

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