[Pdns-users] v3.0.1 + MySQL + OpenSuSE 12.1

[Rick Hodger]

I'm in the process of upgrading our servers and I've come across a curious problem. Our old servers are openSuSE 11.x and running Power DNS v2.9 quite happily, but I'm struggling to get 3.0.1 to work on OpenSuSe 12.1.

The RPM version exits with a segmentation fault and nothing we do seems to be able to get it work short of removing the MySQL config.

We compiled a version from source, and if we attempt to start it up in demon mode, it logs the following and exits.

Jan 31 12:47:43 radius pdns[6135]: PowerDNS 3.0.1 (C) 2001-2011 PowerDNS.COM BV (Jan 31 2012, 11:57:53, gcc 4.6.2) starting up
Jan 31 12:47:43 radius pdns[6135]: 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.
Jan 31 12:47:43 radius pdns[6135]: DNS Proxy launched, local port 14557, remote 127.0.0.1:1053
Jan 31 12:47:43 radius pdns[6135]: Launched webserver on 0.0.0.0:8081
Jan 31 12:47:43 radius pdns[6135]: Master/slave communicator launching
Jan 31 12:47:43 radius pdns[6135]: Creating backend connection for TCP
Jan 31 12:47:43 radius pdns[6135]: Got a signal 11, attempting to print trace:
Jan 31 12:47:43 radius pdns[6135]: pdns_server() [0x4bdec2]
Jan 31 12:47:43 radius pdns[6135]: /lib64/libc.so.6(+0x34e10) [0x7f6e5d788e10]
Jan 31 12:47:43 radius pdns[6135]: /usr/lib64/libmysqlclient.so.18(my_stat+0x6c) [0x7f6e5ed82d0c]
Jan 31 12:47:43 radius pdns[6135]: /usr/lib64/libmysqlclient.so.18(+0x4b054) [0x7f6e5ed7e054]
Jan 31 12:47:43 radius pdns[6135]: /usr/lib64/libmysqlclient.so.18(my_search_option_files+0x264) [0x7f6e5ed7ee84]
Jan 31 12:47:43 radius pdns[6135]: /usr/lib64/libmysqlclient.so.18(my_load_defaults+0x13b) [0x7f6e5ed7f1eb]
Jan 31 12:47:43 radius pdns[6135]: /usr/lib64/libmysqlclient.so.18(mysql_read_default_options+0x74) [0x7f6e5ed65f24]
Jan 31 12:47:43 radius pdns[6135]: /usr/lib64/libmysqlclient.so.18(mysql_real_connect+0x8d) [0x7f6e5ed6794d]
Jan 31 12:47:43 radius pdns[6135]: pdns_server(_ZN6SMySQLC2ERKSsS1_tS1_S1_S1_+0xc9) [0x45c379]
Jan 31 12:47:43 radius pdns[6135]: pdns_server(_ZN13gMySQLBackendC1ERKSsS1_+0x148) [0x455608]
Jan 31 12:47:43 radius pdns[6135]: pdns_server(_ZN13gMySQLFactory4makeERKSs+0x35) [0x45bc15]
Jan 31 12:47:43 radius pdns[6135]: pdns_server(_ZN17BackendMakerClass3allEb+0x167) [0x4a8137]
Jan 31 12:47:43 radius pdns[6135]: pdns_server(_ZN12UeberBackendC2ERKSs+0x14c) [0x4c1c9c]
Jan 31 12:47:43 radius pdns[6135]: pdns_server(_ZN13PacketHandlerC1Ev+0x1c) [0x480d9c]
Jan 31 12:47:43 radius pdns[6135]: pdns_server(_ZN17CommunicatorClass8mainloopEv+0xaa) [0x4ea28a]
Jan 31 12:47:43 radius pdns[6135]: pdns_server() [0x4eab29]
Jan 31 12:47:43 radius pdns[6135]: /lib64/libpthread.so.0(+0x7f05) [0x7f6e5daeaf05]
Jan 31 12:47:43 radius pdns[6135]: /lib64/libc.so.6(clone+0x6d) [0x7f6e5d82d53d]

Curiously though, if we start it in non-demon mode it actually manages to get going and begins answering queries, but only after it logs about a gazillion "gmysql Connection successful" lines. This is the tail end of the output after about 20-30 seconds of the same line being logged over and over.

Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 [bindbackend] Done parsing domains, 0 rejected, 15829 new, 0 removed
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 About to create 1 backend threads for UDP
Jan 31 12:40:26 No new unfresh slave domains, 0 queued for AXFR already
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 gmysql Connection successful
Jan 31 12:40:26 Done launching threads, ready to distribute questions
Jan 31 12:40:26 No master domains need notifications

Any help or ideas would be appreciated.

Best regards,
Rick
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