pg与sdb连接报错：
系统日志：/var/log/message
Dec 27 03:49:01 sdb-117 rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="1361" x-info="http://www.rsyslog.com"] rsyslogd was HUPed
Dec 30 17:34:48 sdb-117 kernel: postmaster[20460]: segfault at fabd0530 ip 00007f723453253c sp 00007fffca51c498 error 4 in libc-2.12.so[7f72344b7000+18a000]
Dec 30 23:32:21 sdb-117 kernel: postmaster[39000]: segfault at 0 ip 00007f3b28d8f55c sp 00007fffa7286398 error 4 in libc-2.12.so[7f3b28d14000+18a000]
Dec 31 01:13:55 sdb-117 kernel: postmaster[878]: segfault at 0 ip 00007f1f74b188a0 sp 00007fff9708b608 error 6 in sdb_fdw.so[7f1f74afa000+3b000]
