It's tough to catch the thing in the act on the new server as they always eventually clear..though they still sit in startup for up to 30 seconds on occasion.
A few here that look interesting: #0 0x00007f62b6150583 in __select_nocancel () at ../sysdeps/unix/syscall-template.S:82 #1 0x00007f62b82948ca in pg_usleep (microsec=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/port/pgsleep.c:43 #2 0x00007f62b8195119 in s_lock (lock=0x7f60a5ff3540 "", file=0x7f62b83a7408 "/build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/lmgr/lwlock.c", line=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/lmgr/s_lock.c:113 #3 0x00007f62b8194cb7 in LWLockRelease (lockid=38) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/lmgr/lwlock.c:593 #4 0x00007f62b81808dd in BufferAlloc (smgr=0x7f62b95a2910, relpersistence=<value optimized out>, forkNum=<value optimized out>, blockNum=<value optimized out>, mode=<value optimized out>, strategy=<value optimized out>, hit=0x7fff9045d92f "") at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:745 #5 ReadBuffer_common (smgr=0x7f62b95a2910, relpersistence=<value optimized out>, forkNum=<value optimized out>, blockNum=<value optimized out>, mode=<value optimized out>, strategy=<value optimized out>, hit=0x7fff9045d92f "") at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:325 #6 0x00007f62b81811e4 in ReadBufferExtended (reln=0x7f60a58bea30, forkNum=MAIN_FORKNUM, blockNum=14895, mode=RBM_NORMAL, strategy=0x18a994d6) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:246 #7 0x00007f62b7fd5110 in index_getnext (scan=0x7f62b978dc90, direction=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/access/index/indexam.c:514 #8 0x00007f62b80e2946 in IndexNext (node=0x7f62b978cb08) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/nodeIndexscan.c:78 #9 0x00007f62b80d77b7 in ExecScanFetch (node=0x7f62b978cb08, accessMtd=<value optimized out>, recheckMtd=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execScan.c:82 #10 ExecScan (node=0x7f62b978cb08, accessMtd=<value optimized out>, recheckMtd=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execScan.c:132 #11 0x00007f62b80d0068 in ExecProcNode (node=0x7f62b978cb08) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execProcnode.c:398 #12 0x00007f62b80e51c7 in ExecMergeJoin (node=0x7f62b978c6b8) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/nodeMergejoin.c:1285 #13 0x00007f62b80cffc8 in ExecProcNode (node=0x7f62b978c6b8) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execProcnode.c:443 #14 0x00007f62b80dba99 in ExecAppend (node=0x7f62b9783ee0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/nodeAppend.c:209 #15 0x00007f62b80d00a8 in ExecProcNode (node=0x7f62b9783ee0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execProcnode.c:375 #16 0x00007f62b80dda58 in agg_fill_hash_table (node=0x7f62b97837d0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/nodeAgg.c:1237 #17 ExecAgg (node=0x7f62b97837d0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/nodeAgg.c:1007 #18 0x00007f62b80cff78 in ExecProcNode (node=0x7f62b97837d0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execProcnode.c:466 #19 0x00007f62b80ceed2 in ExecutePlan (queryDesc=0x7f62b9783130, direction=NoMovementScanDirection, count=0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execMain.c:1439 #20 standard_ExecutorRun (queryDesc=0x7f62b9783130, direction=NoMovementScanDirection, count=0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execMain.c:313 #21 0x00007f62b81a45c7 in PortalRunSelect (portal=0x7f62b94afdf0, forward=<value optimized out>, count=0, dest=0x7f62b9543080) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/pquery.c:943 #22 0x00007f62b81a5a30 in PortalRun (portal=<value optimized out>, count=<value optimized out>, isTopLevel=<value optimized out>, dest=<value optimized out>, altdest=<value optimized out>, completionTag=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/pquery.c:787 #23 0x00007f62b81a310c in exec_execute_message (argc=<value optimized out>, argv=<value optimized out>, username=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/postgres.c:1963 #24 PostgresMain (argc=<value optimized out>, argv=<value optimized out>, username=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/postgres.c:3983 #25 0x00007f62b8161ad3 in BackendRun () at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:3606 #26 BackendStartup () at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:3291 #27 ServerLoop () at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:1455 #28 0x00007f62b816457c in PostmasterMain (argc=-1186270896, argv=0x7f62b9471190) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:1116 #29 0x00007f62b8102ec3 in main (argc=5, argv=0x7f62b9471170) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/main/main.c:199 ================= [Thread debugging using libthread_db enabled] PinBuffer (buf=0x7f60ac8748f0, strategy=0x0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:1060 1060 /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c: No such file or directory. in /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c #0 PinBuffer (buf=0x7f60ac8748f0, strategy=0x0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:1060 #1 0x00007f62b81808d2 in BufferAlloc (smgr=0x7f62b961be00, relpersistence=<value optimized out>, forkNum=<value optimized out>, blockNum=<value optimized out>, mode=<value optimized out>, strategy=<value optimized out>, hit=0x7fff9045d98f "") at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:742 #2 ReadBuffer_common (smgr=0x7f62b961be00, relpersistence=<value optimized out>, forkNum=<value optimized out>, blockNum=<value optimized out>, mode=<value optimized out>, strategy=<value optimized out>, hit=0x7fff9045d98f "") at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:325 #3 0x00007f62b81811e4 in ReadBufferExtended (reln=0x7f62b9787d78, forkNum=MAIN_FORKNUM, blockNum=865, mode=RBM_NORMAL, strategy=0xa01962db) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/storage/buffer/bufmgr.c:246 #4 0x00007f62b7fc97bf in heapgetpage (scan=0x7f62b9874730, page=865) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/access/heap/heapam.c:223 #5 0x00007f62b7fc9cea in heapgettup_pagemode (scan=0x7f62b9874730, dir=<value optimized out>, nkeys=<value optimized out>, key=0x0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/access/heap/heapam.c:817 #6 0x00007f62b7fca786 in heap_getnext (scan=0x7f62b9874730, direction=NoMovementScanDirection) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/access/heap/heapam.c:1342 #7 0x00007f62b80e7f8b in SeqNext (node=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/nodeSeqscan.c:66 #8 0x00007f62b80d769a in ExecScanFetch (node=0x7f62b9873800, accessMtd=<value optimized out>, recheckMtd=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execScan.c:82 #9 ExecScan (node=0x7f62b9873800, accessMtd=<value optimized out>, recheckMtd=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execScan.c:167 #10 0x00007f62b80d0078 in ExecProcNode (node=0x7f62b9873800) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execProcnode.c:394 #11 0x00007f62b80e8a69 in ExecSort (node=0x7f62b9873560) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/nodeSort.c:103 #12 0x00007f62b80cff98 in ExecProcNode (node=0x7f62b9873560) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execProcnode.c:458 #13 0x00007f62b80ceed2 in ExecutePlan (queryDesc=0x7f62b9871970, direction=NoMovementScanDirection, count=0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execMain.c:1439 #14 standard_ExecutorRun (queryDesc=0x7f62b9871970, direction=NoMovementScanDirection, count=0) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/executor/execMain.c:313 #15 0x00007f62b81a45c7 in PortalRunSelect (portal=0x7f62b94afdf0, forward=<value optimized out>, count=0, dest=0x7f62b9543080) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/pquery.c:943 #16 0x00007f62b81a5a30 in PortalRun (portal=<value optimized out>, count=<value optimized out>, isTopLevel=<value optimized out>, dest=<value optimized out>, altdest=<value optimized out>, completionTag=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/pquery.c:787 #17 0x00007f62b81a310c in exec_execute_message (argc=<value optimized out>, argv=<value optimized out>, username=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/postgres.c:1963 #18 PostgresMain (argc=<value optimized out>, argv=<value optimized out>, username=<value optimized out>) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/tcop/postgres.c:3983 #19 0x00007f62b8161ad3 in BackendRun () at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:3606 #20 BackendStartup () at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:3291 #21 ServerLoop () at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:1455 #22 0x00007f62b816457c in PostmasterMain (argc=-1186270896, argv=0x7f62b9471190) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/postmaster/postmaster.c:1116 #23 0x00007f62b8102ec3 in main (argc=5, argv=0x7f62b9471170) at /build/buildd/postgresql-9.1-9.1.3/build/../src/backend/main/main.c:199 -- Jeff Frost <j...@pgexperts.com> CTO, PostgreSQL Experts, Inc. Phone: 1-888-PG-EXPRT x506 FAX: 415-762-5122 http://www.pgexperts.com/ -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs