[Pdns-users] pdns 3.4.7 crashes or behaves strange

Tue Nov 17 20:48:02 UTC 2015

Perhaps you should recompile with -g?

Can you try running your auth in gdb?

gdb /path/to/pdns_server
r
# when crashes
bt

Aki

On Tue, Nov 17, 2015 at 08:10:48PM +0100, Klaus Darilion wrote:
> Unfortunately I do not managed to get a core dump. Altough I set:
> ulimit -c unlimited
> echo "/tmp/core.%e.sig%s.%p" > /proc/sys/kernel/core_pattern
> 
> before starting pdns.
> 
> regards
> Klaus
> 
> On 17.11.2015 19:55, Aki Tuomi wrote:
> > Can you provide gdb output?
> > 
> > Aki
> > 
> > On Tue, Nov 17, 2015 at 07:49:29PM +0100, Klaus Darilion wrote:
> >> Hi!
> >>
> >> I have update our pdns from 3.3.3 to 3.4.7. As always I built the
> >> packages myself (using the debian-pdns folder in the tarball) on Ubuntu
> >> 10.04. I updated the DB schema, but when I start pdns it crashes
> >> multiple times as shown below. After respawing several times, pdns
> >> starts up and answers queries. But after receiving a NOTIFY it somehow
> >> locks up and does not respond to DNS anymore.
> >>
> >> I also attached my config.
> >>
> >> Any ideas what could be the problem, or how I debug it myself?
> >>
> >> Thanks
> >> Klaus
> >>
> >>
> >> 18:37:49 pdns[20183]: Listening on controlsocket in
> >> '/var/run/pdns.controlsocket'
> >> 18:37:49 pdns[20185]: Guardian is launching an instance
> >> 18:37:49 pdns[20185]: Reading random entropy from '/dev/urandom'
> >> 18:37:49 pdns[20185]: Loading '/usr/lib/pdns/libgpgsqlbackend.so'
> >> 18:37:49 pdns[20185]: [gpgsqlbackend] This is the gpgsql backend version
> >> 3.4.7 (Nov 17 2015, 18:07:59) reporting
> >> 18:37:49 pdns[20185]: This is a guarded instance of pdns
> >> 18:37:49 pdns[20185]: Listening on controlsocket on '1.2.34.27:53000'
> >> 18:37:49 pdns[20185]: Only allowing TCP control from: 1.2.34.0/27
> >> 18:37:49 pdns[20185]: UDP server bound to 1.2.34.29:53
> >> 18:37:49 pdns[20185]: UDPv6 server bound to [2000:321:9::11]:53
> >> 18:37:49 pdns[20185]: TCP server bound to 1.2.34.29:53
> >> 18:37:49 pdns[20185]: TCPv6 server bound to [2000:321:9::11]:53
> >> 18:37:49 pdns[20185]: PowerDNS Authoritative Server 3.4.7
> >> (jenkins at autotest.powerdns.com) (C) 2001-2015 PowerDNS.COM BV
> >> 18:37:49 pdns[20185]: Using 64-bits mode. Built on 20151117181304 by
> >> root at xxx, gcc 4.4.3.
> >> 18:37:49 pdns[20185]: PowerDNS comes with ABSOLUTELY NO WARRANTY. This
> >> is free software, and you are welcome to redistribute it according to
> >> the terms of the GPL version 2.
> >> 18:37:49 pdns[20185]: Polled security status of version 3.4.7 at
> >> startup, no known issues reported: OK
> >> 18:37:49 pdns[20185]: Set effective group id to 114
> >> 18:37:49 pdns[20185]: Set effective user id to 114
> >> 18:37:49 pdns[20185]: Master/slave communicator launching
> >> 18:37:49 pdns[20185]: Creating backend connection for TCP
> >> 18:37:49 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:49 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:49 pdns[20185]: Only asked for 1 backend thread - operating unthreaded
> >> 18:37:50 pdns[20185]: 2 slave domains need checking, 0 queued for AXFR
> >> 18:37:50 pdns[20185]: Received serial number updates for 2 zones, had 0
> >> timeouts
> >> 18:37:50 pdns[20185]: Domain
> >> 'dev-signing.rc0-monitoring.dnssec-signiert.at' is stale, master serial
> >> 211, our serial 0
> >> 18:37:50 pdns[20185]: Domain 'monitoring.rc0' is stale, master serial 2,
> >> our serial 0
> >> 18:37:50 pdns[20185]: Initiating transfer of
> >> 'dev-signing.rc0-monitoring.dnssec-signiert.at' from remote
> >> '2000:123:2000:1002::6'
> >> 18:37:50 pdns[20185]: Initiating transfer of 'monitoring.rc0' from
> >> remote '1.2.145.251'
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: gpgsql Connection successful. Connected to
> >> database 'regdns' on 'localhost'.
> >> 18:37:50 pdns[20185]: Got a signal 11, attempting to print trace:
> >> 18:37:50 pdns[20185]: /usr/sbin/pdns_server-instance(+0x104d3e)
> >> [0x7f0081db7d3e]
> >> 18:37:50 pdns[20185]: /lib/libc.so.6(+0x338c0) [0x7f00804c78c0]
> >> 18:37:50 pdns[20185]: /usr/lib/libstdc++.so.6(_ZNSs6assignERKSs+0x13)
> >> [0x7f0080f7d183]
> >> 18:37:50 pdns[20185]:
> >> /usr/sbin/pdns_server-instance(_ZN11GSQLBackend13getDomainInfoERKSsR10DomainInfo+0x1b0)
> >> [0x7f0081e2f970]
> >> 18:37:50 pdns[20185]:
> >> /usr/sbin/pdns_server-instance(_ZN12UeberBackend13getDomainInfoERKSsR10DomainInfo+0x3c)
> >> [0x7f0081dbfd9c]
> >> 18:37:50 pdns[20185]:
> >> /usr/sbin/pdns_server-instance(_ZN17CommunicatorClass4suckERKSsS1_+0x203) [0x7f0081de1be3]
> >> 18:37:50 pdns[20185]:
> >> /usr/sbin/pdns_server-instance(_ZN17CommunicatorClass19retrievalLoopThreadEv+0x317)
> >> [0x7f0081df52f7]
> >> 18:37:50 pdns[20185]:
> >> /usr/sbin/pdns_server-instance(_ZN17CommunicatorClass20retrieveLaunchhelperEPv+0x9)
> >> [0x7f0081df5c89]
> >> 18:37:50 pdns[20185]: /lib/libpthread.so.0(+0x69ca) [0x7f00808239ca]
> >> 18:37:50 pdns[20185]: /lib/libc.so.6(clone+0x6d) [0x7f008057f45d]
> >> 18:37:50 pdns[20183]: Our pdns instance (20185) exited after signal 6
> >> 18:37:50 pdns[20183]: Respawning
> >> 18:37:51 pdns[20243]: Guardian is launching an instance
> >> 18:37:51 pdns[20243]: Reading random entropy from '/dev/urandom'
> >> 18:37:51 pdns[20243]: Loading '/usr/lib/pdns/libgpgsqlbackend.so'
> >> 18:37:51 pdns[20243]: [gpgsqlbackend] This is the gpgsql backend version 3.4
> >>
> >>
> >>
> >>
> >>
> >> allow-axfr-ips=127.0.0.1,1.2.34.27
> >> cache-ttl=0
> >> distributor-threads=1
> >> launch=gpgsql
> >> local-address=1.2.34.29
> >> local-ipv6=2000:321:0009::11
> >> logging-facility=2
> >> loglevel=255
> >> negquery-cache-ttl=0
> >> query-cache-ttl=0
> >> query-local-address=1.2.34.29
> >> query-local-address6=2000:321:0009::11
> >> receiver-threads=8
> >> recursive-cache-ttl=0
> >> retrieval-threads=32
> >> setgid=pdns
> >> setuid=pdns
> >> slave=yes
> >> slave-cycle-interval=60
> >> slave-renotify=yes
> >> soa-refresh-default=10800
> >> trusted-notification-proxy=1.2.33.3,1.2.3.4,1.2.34.27
> >> tcp-control-address=1.2.34.27
> >> tcp-control-range=1.2.34.0/27
> >> tcp-control-secret=xxx
> >>
> >> gpgsql-dbname=regdns
> >> gpgsql-user=xxx
> >> gpgsql-password=xxx
> >> gpgsql-host=localhost
> >> gpgsql-dnssec
> >>
> >> gpgsql-master-zone-query=select master from soap_domains where name='%s'
> >> and type='SLAVE'
> >> gpgsql-info-zone-query=select
> >> id,name,master,last_check,notified_serial,type from soap_domains where
> >> name='%s'
> >> gpgsql-info-all-slaves-query=select id,name,master,last_check,type from
> >> soap_domains where type='SLAVE' and next_check <= extract(epoch from
> >> now())::integer limit 2500;
> >> gpgsql-insert-slave-query=insert into soap_domains
> >> (type,name,master,account) values('SLAVE','%s','%s','%s')
> >> gpgsql-update-serial-query=update soap_domains set notified_serial=%d
> >> where id=%d
> >> gpgsql-update-lastcheck-query=update soap_domains set last_check=%d
> >> where id=%d
> >> gpgsql-info-all-master-query=select
> >> id,name,master,last_check,notified_serial,type from soap_domains where
> >> type='MASTER'
> >>
> >> gpgsql-get-domain-metadata-query=select content from
> >> intercept_domainmetadata('%s','%s')
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
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> >> Pdns-users at mailman.powerdns.com
> >> http://mailman.powerdns.com/mailman/listinfo/pdns-users
> >>
> 