I wrote a script to mass-notify a few domains:
#!/bin/sh
for domain in $* ; do
echo $domain
pdns_control notify-host $domain <slave1-ip>
pdns_control notify-host $domain <slave2-ip>
done ;
We have two slaves running on Centos 5, using sqlite3 backend. When I
ran this script, using about 40 domains, one slave crashed:
Apr 7 11:11:59 ns1 pdns[13207]: Created new slave zone '<domain>' from
supermaster <supermasterip>, queued axfr
Apr 7 11:11:59 ns1 pdns[13207]: Got a signal 11, attempting to print trace:
Apr 7 11:11:59 ns1 pdns[13207]: /usr/sbin/pdns_server-instance [0x80b8cc4]
Apr 7 11:11:59 ns1 pdns[13207]: [0xe63420]
Apr 7 11:11:59 ns1 pdns[13207]: /lib/libc.so.6(memcpy+0x1c) [0x29e6ec]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/lib/libstdc++.so.6(_ZNSs4_Rep8_M_cloneERKSaIcEj+0x64) [0x4a8da4]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/lib/libstdc++.so.6(_ZNSsC1ERKSs+0x57) [0x4a9707]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/sbin/pdns_server-instance(_ZNK5QType7getNameEv+0x87) [0x8076447]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/sbin/pdns_server-instance(_ZN12UeberBackend8cacheHasERKNS_8QuestionER17DNSResourceRecord+0x83)
[0x80c4d13]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/sbin/pdns_server-instance(_ZN12UeberBackend6lookupERK5QTypeRKSsP9DNSPacketi+0x340)
[0x80c5930]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/sbin/pdns_server-instance(_ZN13PacketHandler11makeCanonicEP9DNSPacketS1_RSs+0xa0)
[0x8082130]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/sbin/pdns_server-instance(_ZN13PacketHandler17questionOrRecurseEP9DNSPacketPb+0xa92)
[0x8087672]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/sbin/pdns_server-instance(_ZN13PacketHandler8questionEP9DNSPacket+0x29)
[0x808b069]
Apr 7 11:11:59 ns1 pdns[13207]:
/usr/sbin/pdns_server-instance(_ZN11DistributorI9DNSPacketS0_13PacketHandlerE10makeThreadEPv+0x3b8)
[0x80fc418]
I was not able to reproduce this (running the script again after
restarting the slave). Is this something to worry about/should I create
a bug report or did I just make something stupid/hit a known prob?
Thanks,
Oli
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