[Pdns-users] pdns 3.4.7 crashes or behaves strange

Wed Nov 18 10:51:23 UTC 2015

Hi Kees!

Indeed, I missed to update our custom queries. Now it seems to work fine
again.

Thanks a lot
Klaus

On 17.11.2015 21:43, Kees Monshouwer wrote:
> Hi Klaus,
> 
> Check your custom queries. The gpgsql-info-zone-query is missing the 
> account column.
> 
> To output the default queries in pdns use 'pdns_server --no-config
> --launch=gpgsql --config | grep gpgsql- -B2'
> 
> Please make sure the number of columns and the number of arguments in
> your queries match with the ones in pdns.
> 
> Kind regards,
> 
> Kees
> 
> On 11/17/2015 08:10 PM, 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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>>>> http://mailman.powerdns.com/mailman/listinfo/pdns-users
>>>>
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> 
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