Package: bind9
Version: 1:9.9.5.dfsg-8
Severity: important
Tags: patch

I'm running current Jessie's Debian except for the kernel which is a 3.10.69
kernel on a mips based router (http://wiki.openwrt.org/toh/arcadyan/arv7519)
the machine doesn't have floating point so I'm running with floating point
emulated.

All the services I'm running on Debian run Ok (including apache, postfix,
squid3, isc-dhcp-server, ...) but bind9 hangs after some time, the time
doesn't seem to follow any pattern, it can be from less than 10 minutos to
some hours (not many, not a full day).

Tying to see what happens with this problem I came around this forum:
http://community.ubnt.com/t5/EdgeMAX/How-To-Install-BIND-DNS-Server-on-EdgeRouter/td-p/558349/page/3
a message from napsterbater that points to:
https://lists.isc.org/pipermail/bind-users/2008-August/072137.html
on wich people suggests to use --disable-atomic to solve crashes.

I have to explain that my bind doesn't crash, it just hangs without replying
to queries or to a reload or stop command issued from the init.d script.

However as I didn't have any better solution I tried the --disable-atomic
way.

To do this I just added to the rules file after the kfreebsd exception this
code:

ifeq ($(DEB_HOST_ARCH),mips)
EXTRA_FEATURES=--disable-atomic
endif

And rebuilt bind9's packages with this code on our rules.

This build has been in production for more than 27 hours without problems,
so It seem  that the atomic fix is working.

There might be some other ways to solve this problem, if so and you need
some testing, please let me know.

Regards.


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