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Re: misc/53421: 8.0_RC2 named has resource issue


I don't know if this has been fixed in netbsd-8, but I found a "solution". By compiling the standard bind software with the following options, I have kept my name server up since Dec. 4th. Here's the info from named -V:

GameofThrones:/var/named# /usr/local/sbin/named -V
BIND 9.12.3 <id:6c8e92c>
running on NetBSD i386 8.0 NetBSD 8.0 (GENERIC) #0: Tue Jul 17 14:59:51 UTC 2018
built by make with '--disable-symtable' '--disable-atomic'
compiled by GCC 5.5.0
compiled with OpenSSL version: OpenSSL 1.0.2k  26 Jan 2017
linked to OpenSSL version: OpenSSL 1.0.2k  26 Jan 2017
compiled with zlib version: 1.2.10
linked to zlib version: 1.2.10
threads support is enabled

GameofThrones:/var/named# uname -a
NetBSD GameofThrones 8.0 NetBSD 8.0 (GENERIC) #0: Tue Jul 17 14:59:51 UTC 2018 i386

And, just in case someone wanted proof that my name server has been up this long:

GameofThrones:/var/named# ps awux | grep named
root 15764 0.0 4.3 62108 44208 ? Ssl 4Dec18 92:48.36 /usr/local/sbin/named

Now I should note that I'm using forwarders in my named.conf file, but I was experiencing the same problem as reported in this bug. Namely named would print the following error to the log file and then no longer answer UDP requests:

dnslog.txt.72:23-Nov-2018 06:09:23.130 UDP client handler shutting down due to fatal receive error: not enough free resources

I hope this helps in some small way.


Jason M.

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