### Start of trace one (Process 23755)

#0  0x485ec845 in __pthread_sigsuspend () from /lib/i686/libpthread.so.0
#1  0x485ec318 in __pthread_wait_for_restart_signal () from /lib/i686/libpthread.so.0
#2  0x485edd30 in __pthread_alt_lock () from /lib/i686/libpthread.so.0
#3  0x485ead37 in pthread_mutex_lock () from /lib/i686/libpthread.so.0
#4  0x402e22fc in vsyslog () from /lib/i686/libc.so.6
#5  0x402e1e6f in syslog () from /lib/i686/libc.so.6
#6  0x081e4a52 in write_syslog (level=5, line=0x4033afac "") at elog.c:1013
#7  0x081e4d7f in send_message_to_server_log (edata=0x82aad80) at elog.c:1146
#8  0x081e3b0c in errfinish (dummy=0) at elog.c:341
#9  0x081e46a6 in elog_finish (elevel=-4, fmt=0x485ac920 "ignoring modified tuple in DELETE trigger")
    at elog.c:849
#10 0x485247d2 in PLy_trigger_handler (fcinfo=0xbfffddf0, proc=0x83b8860) at plpython.c:455
#11 0x485244d0 in plpython_call_handler (fcinfo=0xbfffddf0) at plpython.c:370
#12 0x080f253e in ExecCallTriggerFunc (trigdata=0xbfffdcbc, finfo=0x485df998, per_tuple_context=0xfffffffc)
    at trigger.c:1150
#13 0x080f2b7a in ExecBRDeleteTriggers (estate=0x83ad828, relinfo=0x83ad960, tupleid=0xfffffffc,
    cid=4294967292) at trigger.c:1377
#14 0x08105b7c in ExecDelete (slot=0x83adee0, tupleid=0xbfffe000, estate=0x83ad828) at execMain.c:1474
#15 0x08105545 in ExecutePlan (estate=0x83ad828, planstate=0x83adf00, operation=CMD_DELETE, numberTuples=0,
    direction=-4, dest=0x82768d4) at execMain.c:1262
#16 0x081046c8 in ExecutorRun (queryDesc=0x83ba1a8, direction=ForwardScanDirection, count=-4)
    at execMain.c:249
#17 0x08118464 in _SPI_pquery (queryDesc=0x83ad828, runit=0 '\0', useCurrentSnapshot=8 '\b', tcount=-4)
    at spi.c:1254
#18 0x08118356 in _SPI_execute_plan (plan=0xfffffffc, Values=0x83a5328, Nulls=0x83a9b48 " ",
    useCurrentSnapshot=0 '\0', tcount=0) at spi.c:1201
#19 0x08116832 in SPI_execp (plan=0x83ad828, Values=0x83a5328,
    Nulls=0xfffffffc <Address 0xfffffffc out of bounds>, tcount=0) at spi.c:241
#20 0x485281e9 in PLy_spi_execute_plan (ob=0x834d418, list=0x834c82c, limit=0) at plpython.c:2205
#21 0x4852802d in PLy_spi_execute (self=0x0, args=0x83bdd54) at plpython.c:2082
#22 0x48542624 in PyCFunction_Call () from /usr/lib/pgsql/plpython.so
#23 0x4856841e in eval_frame () from /usr/lib/pgsql/plpython.so
#24 0x48568e8e in PyEval_EvalCodeEx () from /usr/lib/pgsql/plpython.so
#25 0x4856a3eb in fast_function () from /usr/lib/pgsql/plpython.so
#26 0x48568363 in eval_frame () from /usr/lib/pgsql/plpython.so
#27 0x48568e8e in PyEval_EvalCodeEx () from /usr/lib/pgsql/plpython.so
#28 0x48565d85 in PyEval_EvalCode () from /usr/lib/pgsql/plpython.so
#29 0x48525bd7 in PLy_procedure_call (proc=0x83b8860, kargs=0xfffffffc <Address 0xfffffffc out of bounds>,
    vargs=0xfffffffc) at plpython.c:881
#30 0x48524621 in PLy_trigger_handler (fcinfo=0xbfffe7c0, proc=0x83b8860) at plpython.c:420
#31 0x485244d0 in plpython_call_handler (fcinfo=0xbfffe7c0) at plpython.c:370
#32 0x080f253e in ExecCallTriggerFunc (trigdata=0xbfffe68c, finfo=0x485df998, per_tuple_context=0xfffffffc)
    at trigger.c:1150
#33 0x080f2b7a in ExecBRDeleteTriggers (estate=0x8336d78, relinfo=0x8336eb0, tupleid=0xfffffffc,
    cid=4294967292) at trigger.c:1377
#34 0x08105b7c in ExecDelete (slot=0x8337430, tupleid=0xbfffe9d0, estate=0x8336d78) at execMain.c:1474
#35 0x08105545 in ExecutePlan (estate=0x8336d78, planstate=0x8337450, operation=CMD_DELETE, numberTuples=0,
    direction=-4, dest=0x83282d0) at execMain.c:1262
#36 0x081046c8 in ExecutorRun (queryDesc=0x8344da0, direction=ForwardScanDirection, count=-4)
    at execMain.c:249
#37 0x0817b782 in ProcessQuery (parsetree=0xfffffffc, plan=0x8336d78, params=0x8, dest=0x0,
    completionTag=0x8344da0 "\004") at pquery.c:139
#38 0x0817c2f4 in PortalRunMulti (portal=0x832ba10, dest=0x83282d0, altdest=0x83282d0,
    completionTag=0xbfffeb30 "") at pquery.c:860
#39 0x0817bc63 in PortalRun (portal=0x832ba10, count=2147483647, dest=0x83282d0, altdest=0xfffffffc,
    completionTag=0xbfffeb30 "") at pquery.c:494
#40 0x08178543 in exec_simple_query (
    query_string=0x8326358 ' ' <repeats 45 times>, "DELETE FROM dbbq1 WHERE id = 53831") at postgres.c:914
#41 0x0817ad31 in PostgresMain (argc=4, argv=0x82b8168, username=0x82b8138 "admin") at postgres.c:2918
#42 0x08154880 in BackendFork (port=0x82d2358) at postmaster.c:2564
#43 0x08154273 in BackendStartup (port=0x82d2358) at postmaster.c:2207
#44 0x081527d8 in ServerLoop () at postmaster.c:1119
#45 0x08151e9e in PostmasterMain (argc=5, argv=0x82b72a0) at postmaster.c:897
#46 0x08121bd3 in main (argc=5, argv=0xbffffb74) at main.c:214
#47 0x4021aa07 in __libc_start_main () from /lib/i686/libc.so.6

### End of trace one (Process 23755)

### Start of trace two (Process 25376)

#0  0x485ec845 in __pthread_sigsuspend () from /lib/i686/libpthread.so.0
#1  0x485ec318 in __pthread_wait_for_restart_signal () from /lib/i686/libpthread.so.0
#2  0x485edd30 in __pthread_alt_lock () from /lib/i686/libpthread.so.0
#3  0x485ead37 in pthread_mutex_lock () from /lib/i686/libpthread.so.0
#4  0x402e22fc in vsyslog () from /lib/i686/libc.so.6
#5  0x402e1e6f in syslog () from /lib/i686/libc.so.6
#6  0x081e4a52 in write_syslog (level=5, line=0x4033afac "") at elog.c:1013
#7  0x081e4d7f in send_message_to_server_log (edata=0x82aad80) at elog.c:1146
#8  0x081e3b0c in errfinish (dummy=0) at elog.c:341
#9  0x081e46a6 in elog_finish (elevel=-4, fmt=0x485ac920 "ignoring modified tuple in DELETE trigger")
    at elog.c:849
#10 0x485247d2 in PLy_trigger_handler (fcinfo=0xbfffe7c0, proc=0x83428b8) at plpython.c:455
#11 0x485244d0 in plpython_call_handler (fcinfo=0xbfffe7c0) at plpython.c:370
#12 0x080f253e in ExecCallTriggerFunc (trigdata=0xbfffe68c, finfo=0x485df998, per_tuple_context=0xfffffffc)
    at trigger.c:1150
#13 0x080f2b7a in ExecBRDeleteTriggers (estate=0x83adbe8, relinfo=0x83adda0, tupleid=0xfffffffc,
    cid=4294967292) at trigger.c:1377
#14 0x08105b7c in ExecDelete (slot=0x83ae320, tupleid=0xbfffe9d0, estate=0x83adbe8) at execMain.c:1474
#15 0x08105545 in ExecutePlan (estate=0x83adbe8, planstate=0x83ae340, operation=CMD_DELETE, numberTuples=0,
    direction=-4, dest=0x8328698) at execMain.c:1262
#16 0x081046c8 in ExecutorRun (queryDesc=0x8341c20, direction=ForwardScanDirection, count=-4)
    at execMain.c:249
#17 0x0817b782 in ProcessQuery (parsetree=0xfffffffc, plan=0x83adbe8, params=0x8, dest=0x0,
    completionTag=0x8341c20 "\004") at pquery.c:139
#18 0x0817c2f4 in PortalRunMulti (portal=0x832bdd8, dest=0x8328698, altdest=0x8328698,
    completionTag=0xbfffeb30 "") at pquery.c:860
#19 0x0817bc63 in PortalRun (portal=0x832bdd8, count=2147483647, dest=0x8328698, altdest=0xfffffffc,
    completionTag=0xbfffeb30 "") at pquery.c:494
#20 0x08178543 in exec_simple_query (
    query_string=0x8326720 ' ' <repeats 45 times>, "DELETE FROM dbbq1 WHERE id = 54114") at postgres.c:914
#21 0x0817ad31 in PostgresMain (argc=4, argv=0x82b8168, username=0x82b8138 "admin") at postgres.c:2918
#22 0x08154880 in BackendFork (port=0x82d3008) at postmaster.c:2564
#23 0x08154273 in BackendStartup (port=0x82d3008) at postmaster.c:2207
#24 0x081527d8 in ServerLoop () at postmaster.c:1119
#25 0x08151e9e in PostmasterMain (argc=5, argv=0x82b72a0) at postmaster.c:897
#26 0x08121bd3 in main (argc=5, argv=0xbffffb74) at main.c:214
#27 0x4021aa07 in __libc_start_main () from /lib/i686/libc.so.6

### End of trace two (Process 25376)