dhcpd crashes

Shawn Routhier sar at isc.org
Tue Jan 26 19:44:10 UTC 2016

This is likely one of the issues we fixed in the DDNS code - we had some issues
with stale pointers and such.  As we haven’t heard of any issues for a while I believe
they are fixed now.  

It would be best to upgrade - we released 4.2.8 almost a year ago and that is
going to be the last release in the 4.2.x series so 4.2.2 is fairly old.  

Shawn Routhier

> On Jan 20, 2016, at 4:54 AM, Chip Pleasants <wpleasants at gmail.com> wrote:
> Hi all,
> I'm hoping someone could point me in the right direction with an issue I'm seeing with dhcpd 4.2.2 on Raspbian.  Multiple times per day dhcpd just stops.  I do not see anything in the logs.  I was able to do a trace file listed below.  I would upgrade to a new version, but it doesn't seem like Raspbian has an updated version. I can provide configs if required. I do have ddns, v4, and v6 running. Any help is suggested. 
> Thanks,
> Chip
> root at fw:~# cat dhcpd-crashing-output.txt
> DHCPREQUEST for from 24:da:9b:13:3d:0f (android-3f443e4ce12d0232) via eth0
> DHCPACK on to 24:da:9b:13:3d:0f (android-3f443e4ce12d0232) via eth0
> ../../../lib/dns/client.c:2833: REQUIRE((((uctx) != ((void *)0)) && (((const isc__magic_t *)(uctx))->magic == ((('U') << 24 | ('c') << 16 | ('t') << 8 | ('x')))))) failed.
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