[Pdns-users] SIGSEGV after some AXFR queries

bert hubert bert.hubert at netherlabs.nl
Mon Jun 29 14:00:05 UTC 2009

On Mon, Jun 29, 2009 at 3:36 PM, Marek
Kroemeke<marek at positive-internet.com> wrote:
> Hi there,
> Thanks for suggestions. I was trying to find the particular domain that
> could have some odd data in MySQL - but the problem is that this DNS
> server seems to send around ~40 AXFR requests in a row - I was not able
> to find one particular domain in log that would be there before each
> crash :-/
> We've also tried to upgrade it last Friday to the newer version (2.9.21
> and then 2.9.22)  -  but then all replies to AXFR requests ware empty
> (no error message, no serv fail - just SOA record and nothing else - so
> I had to fall back. Any suggestions about this one ?


This usually means you have corrupt records in the database - 2.9.21
and 2.9.22 are a lot stricter than 2.9.20 in this respect, and do not
silently ignore many errors.

Are you sure there is no logging?

Just for testing, see if you can run 2.9.22 in parallel and query your
SOA records.


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