[Pdns-users] PDNS problem --> "Bus Error"

Truong duc Luong luongductruong at gmail.com
Mon Nov 7 10:19:44 UTC 2005


I run PowerDNS (/etc/init.d/pdns monitor), it installed on SunOS 5.8
SPARC. If I query  from my PC (client), PDNS reply correctly with some
DNSs .Next, the error, "Bus Error" , occured and PDNS stops.

I don't compile the PDNS with option: enable-recursor but I enable
this option in Configuration file (pdns.conf). I use gmysql and geo as
backend. Following is the detail of pdns.conf:

--------------------------------------------------------------------------------------------------------
# Autogenerated configuration file template
#################################
# allow-axfr-ips        If disabled, DO allow zonetransfers from these
IP addresses
#
# allow-axfr-ips=

#################################
# allow-recursion       List of netmasks that are allowed to recurse
#
# allow-recursion=

#################################
# cache-ttl     Seconds to store packets in the PacketCache
#
cache-ttl=0

#################################
# chroot        If set, chroot to this directory for more security
#
# chroot=

#################################
# config-dir    Location of configuration directory (pdns.conf)
#
config-dir=/usr/local/pdns/etc

#################################
# config-name   Name of this virtual configuration - will rename the
binary image
#
# config-name=

#################################
# control-console       Debugging switch - don't use
#
# control-console=no

#################################
# daemon        Operate as a daemon
#
# daemon=no

#################################
# default-soa-name      name to insert in the SOA record if none set
in the backend
#
# default-soa-name=a.misconfigured.powerdns.server

#################################
# disable-axfr  Disable zonetransfers but do allow TCP queries
#
# disable-axfr=no

#################################
# disable-tcp   Do not listen to TCP queries
#
# disable-tcp=no

#################################
# distributor-threads   Default number of Distributor (backend) threads to start
#
# distributor-threads=3

#################################
# fancy-records Process URL and MBOXFW records
#
# fancy-records=no

#################################
# guardian      Run within a guardian process
#
# guardian=no

#################################
# launch        Which backends to launch and order to query them in
#
# launch=

#################################
# lazy-recursion        Only recurse if question cannot be answered locally
#
lazy-recursion=yes

#################################
# load-modules  Load this module - supply absolute or relative path
#
# load-modules=

#################################
# local-address Local IP address to which we bind
#
local-address=my_ip
#################################
# local-ipv6    Local IP address to which we bind
#
# local-ipv6=

#################################
# local-port    The port on which we listen
#
#local-port=53
local-port=53
#################################
# log-dns-details       If PDNS should log failed update requests
#
log-dns-details=yes

#################################
# log-failed-updates    If PDNS should log failed update requests
#
log-failed-updates=yes

#n################################
# logfile       Logfile to use
#
#logfile=pdns.log
logfile=/var/log/pdns.log

#################################
# logging-facility      Log under a specific facility
#
logging-facility=0

#################################
# loglevel      Amount of logging. Higher is more. Do not set below 3
#
# loglevel=4
loglevel=7
#################################
# master        Act as a master
#
master=yes

#n################################
# max-queue-length      Maximum queuelength before considering situation lost
#
# max-queue-length=5000

#################################
# max-tcp-connections   Maximum number of TCP connections
#
# max-tcp-connections=10

#################################
# module-dir    Default directory for modules
#
# module-dir=/usr/local/bin/../lib

#################################
# negquery-cache-ttl    Seconds to store packets in the PacketCache
#
negquery-cache-ttl=300

#################################
# only-soa      Make sure that no SOA serial is less than this number
#
# only-soa=org

#################################
# out-of-zone-additional-processing     Do out of zone additional processing
#
# out-of-zone-additional-processing=no

#################################
# query-cache-ttl       Seconds to store packets in the PacketCache
#
query-cache-ttl=0

#################################
# query-logging Hint backends that queries should be logged
#
# query-logging=no

#################################
# queue-limit   Maximum number of milliseconds to queue a query
#
# queue-limit=1500

#################################
# receiver-threads      Number of receiver threads to launch
#
# receiver-threads=1

#################################
# recursive-cache-ttl   Seconds to store packets in the PacketCache
#
# recursive-cache-ttl=10

#################################
# recursor      If recursion is desired, IP address of a recursing nameserver
#
recursor=my_recur_ip

#################################
# setgid        If set, change group id to this gid for more security
#
setgid=pdns

#################################
# setuid        If set, change user id to this uid for more security
#
setuid=pdns

#################################
# skip-cname    Do not perform CNAME indirection for each query
#
# skip-cname=no

#################################
# slave Act as a slave
#
slave=yes

#################################
# slave-cycle-interval  Reschedule failed SOA serial checks once every
.. seconds
#
# slave-cycle-interval=60

#################################
# smtpredirector        Our smtpredir MX host
#
# smtpredirector=a.misconfigured.powerdns.smtp.server

#################################
# soa-minimum-ttl       Default SOA mininum ttl
#
# soa-minimum-ttl=3600

#################################
# soa-serial-offset     Make sure that no SOA serial is less than this number
#
# soa-serial-offset=0

#################################
# socket-dir    Where the controlsocket will live
#
# socket-dir=/var/run

#################################
# strict-rfc-axfrs      Perform strictly rfc compliant axfrs (very slow)
#
# strict-rfc-axfrs=no

#################################
# urlredirector Where we send hosts to that need to be url redirected
#
# urlredirector=127.0.0.1

#################################
# use-logfile   Use a log file
#
use-logfile=yes

#################################
# webserver     Start a webserver for monitoring
#
# webserver=no

#################################
# webserver-address     IP Address of webserver to listen on
#
# webserver-address=127.0.0.1

#################################
# webserver-password    Password required for accessing the webserver
#
# webserver-password=

#################################
# webserver-port        Port of webserver to listen on
#
# webserver-port=8081

#################################
# webserver-print-arguments     If the webserver should print arguments
#
# webserver-print-arguments=no

#################################
# wildcard-url  Process URL and MBOXFW records
#
# wildcard-url=no

#################################
# wildcards     Honor wildcards in the database
#
wildcards=no
#################################

launch=gmysql,geo
gmysql-host=127.0.0.1
gmysql-user=*****
gmysql-dbname=*****

geo-zone=myzone.com
geo-soa-values=localhost, master at myzone.com
geo-ns-records=mynsrecord
geo-ip-map-zonefile=/usr/local/pdns/etc/zz.countries.nerd.dk.rbldnsd
geo-maps=/usr/local/pdns/geo-maps
-------------------------------------------------------------------------------------------------------------
I'm a newbie on DNS. What am i wrong? How to fix this? Help me plz!
--
Thanks!


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