(gdb) bt #0 0x000000307260c60c in pthread_kill () from /lib64/libpthread.so.0 #1 0x0000000000690d1f in handle_fatal_signal (sig=8) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/signal_handler.cc:249 #2 <signal handler called> #3 0x000000000096d38a in ha_partition::min_rows_for_estimate (this=this@entry=0x7ff5e80197e0) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/ha_partition.cc:6351 #4 0x000000000096d420 in ha_partition::records_in_range (this=0x7ff5e80197e0, inx=0, min_key=0x7ff6005d5f00, max_key=0x7ff6005d5f20) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/ha_partition.cc:6427 #5 0x000000000073a143 in check_quick_keys (param=param@entry=0x7ff6005d7b30, idx=0, key_tree=0x7ff5e8013d88, min_key=min_key@entry=0x7ff6005d7c88 "", min_key_flag=min_key_flag@entry=0, min_keypart=min_keypart@entry=-1, max_key=max_key@entry=0x7ff6005d8b86 "\001", max_key_flag=max_key_flag@entry=0, max_keypart=max_keypart@entry=-1) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/opt_range.cc:7807 #6 0x000000000073a8ce in check_quick_select (param=param@entry=0x7ff6005d7b30, idx=idx@entry=0, tree=<optimized out>, update_tbl_stats=update_tbl_stats@entry=true) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/opt_range.cc:7578 #7 0x0000000000747599 in get_key_scans_params (estimated_records=<synthetic pointer>, read_time=1.2, update_tbl_stats=true, index_read_must_be_used=false, tree=0x7ff5e8013828, param=0x7ff6005d7b30) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/opt_range.cc:4966 #8 SQL_SELECT::test_quick_select (this=0x7ff5e80062f8, thd=0x3552c30, keys_to_use=..., prev_tables=<optimized out>, limit=<optimized out>, force_quick_range=<optimized out>) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/opt_range.cc:2322 #9 0x00000000005d41db in get_quick_record_count (limit=<optimized out>, keys=0x7ff5e8005ec8, table=0x7ff5e8018f00, select=0x7ff5e80062f8, thd=<optimized out>) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_select.cc:2635 #10 make_join_statistics (join=join@entry=0x7ff5e8011260, tables_arg=0x7ff5e8004da0, conds=0x7ff5e80058c0, keyuse_array=keyuse_array@entry=0x7ff5e8012818) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_select.cc:3084 #11 0x00000000005d73fd in JOIN::optimize (this=this@entry=0x7ff5e8011260) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_select.cc:1076 #12 0x00000000005d9c27 in mysql_select (thd=thd@entry=0x3552c30, rref_pointer_array=rref_pointer_array@entry=0x35550b8, tables=<optimized out>, wild_num=<optimized out>, fields=..., conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748608, result=result@entry=0x7ff5e8005a68, unit=0x35548c0, select_lex=select_lex@entry=0x3554ee0) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_select.cc:2586 #13 0x00000000005dfd5f in handle_select (thd=0x3552c30, lex=0x3554800, result=0x7ff5e8005a68, setup_tables_done_option=0) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_select.cc:312 #14 0x00000000005990f1 in execute_sqlcom_select (thd=thd@entry=0x3552c30, all_tables=0x7ff5e8004da0) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_parse.cc:4739 #15 0x00000000005a06c3 in mysql_execute_command (thd=thd@entry=0x3552c30) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_parse.cc:2283 #16 0x00000000005a4741 in mysql_parse (thd=thd@entry=0x3552c30, rawbuf=<optimized out>, length=40, parser_state=parser_state@entry=0x7ff6005db810) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_parse.cc:5809 #17 0x00000000005a5bc0 in dispatch_command (command=COM_QUERY, thd=0x3552c30, packet=<optimized out>, packet_length=40) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_parse.cc:1060 #18 0x000000000063dedf in do_handle_one_connection (thd_arg=thd_arg@entry=0x3552c30) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_connect.cc:1458 #19 0x000000000063dfa1 in handle_one_connection (arg=0x3552c30) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/sql_connect.cc:1365 #20 0x0000003072607d14 in start_thread () from /lib64/libpthread.so.0 #21 0x00000030722f197d in clone () from /lib64/libc.so.6 (gdb) frame 3 #3 0x000000000096d38a in ha_partition::min_rows_for_estimate (this=this@entry=0x7ff5e80197e0) at /percona-server/5.5/Percona-Server-5.5.25a-rel27.1/sql/ha_partition.cc:6351 6351 DBUG_RETURN(stats.records * max_used_partitions / tot_used_partitions); (gdb) p tot_used_partitions $1 = 0
Testcase: CREATE TABLE t1 (c1 int key) PARTITION BY KEY (c1) PARTITIONS 2; SELECT * FROM t1 WHERE c1 > 0 AND c1 < 1;
Crashes: Percona-Server-5.5.25a-rel27.1 (optimized) mysql-5.5.25a-linux2.6-x86_64 (optimized)
Does not crash: mysql-5.5.27-linux2.6-x86_64 (optimized) (!) mysql-5.1.63-linux-x86_64-glibc23 (optimized) mysql-5.1.57-linux-x86_64-glibc23 (optimized) Percona-Server-5.1.63-rel13.4-458.Linux.x86_64 (optimized)
A user seeing this crash: http://stackoverflow.com/questions/11538705/mysql-with-innodb-table-keep-crashing
The crash in mysql-5.5.25a-linux2.6-x86_64 has a slightly different stacktrace (no frame #5 ha_partition::records_in_range):
(gdb) bt #0 0x000000307260c60c in pthread_kill () from /lib64/libpthread.so.0 #1 0x000000000066d3e1 in handle_fatal_signal (sig=8) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/signal_handler.cc:247 #2 <signal handler called> #3 ha_partition::min_rows_for_estimate (this=<optimized out>) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/ha_partition.cc:6340 #4 0x000000000072c9ef in check_quick_keys (param=0x7fb0c9086fb0, idx=3154162400, key_tree=0x0, min_key=0x7fb0c9087108 "", min_key_flag=0, min_keypart=-1, max_key=0x7fb0c9088006 "\001", max_key_flag=0, max_keypart=-1) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/opt_range.cc:7789 #5 0x000000000072d0fe in check_quick_select (param=0x7fb0c9086fb0, idx=0, tree=0x7fb0bc013fd8, update_tbl_stats=<optimized out>) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/opt_range.cc:7560 #6 0x000000000072d37c in get_key_scans_params (param=0x7fb0c9086fb0, tree=0x7fb0bc013a78, index_read_must_be_used=false, update_tbl_stats=<optimized out>, read_time=1.2) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/opt_range.cc:4959 #7 0x0000000000737009 in SQL_SELECT::test_quick_select (this=0x7fb0bc0062a8, thd=0x35528c0, keys_to_use=..., prev_tables=<optimized out>, limit=<optimized out>, force_quick_range=<optimized out>) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/opt_range.cc:2321 #8 0x00000000005a9e96 in get_quick_record_count (limit=<optimized out>, keys=<optimized out>, table=<optimized out>, select=<optimized out>, thd=<optimized out>) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_select.cc:2614 #9 make_join_statistics (join=0x7fb0bc0114b0, tables_arg=0x7fb0bc004d60, conds=<optimized out>, keyuse_array=0x7fb0bc012a68) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_select.cc:3058 #10 0x00000000005ab261 in JOIN::optimize (this=0x7fb0bc0114b0) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_select.cc:1055 #11 0x00000000005aeea1 in mysql_select (thd=0x35528c0, rref_pointer_array=0x3554aa8, tables=0x0, wild_num=1, fields=..., conds=0x7fb0bc005880, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=0, result=0x7fb0bc005a28, unit=0x35542b0, select_lex=0x35548d0) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_select.cc:2565 #12 0x00000000005b4c59 in handle_select (thd=0x35528c0, lex=0x3554200, result=0x7fb0bc005a28, setup_tables_done_option=0) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_select.cc:297 #13 0x0000000000572c91 in execute_sqlcom_select (thd=0x35528c0, all_tables=0x7fb0bc004d60) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_parse.cc:4589 #14 0x00000000005785ab in mysql_execute_command (thd=0x35528c0) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_parse.cc:2150 #15 0x000000000057a8ea in mysql_parse (thd=0x35528c0, rawbuf=<optimized out>, length=<optimized out>, parser_state=0x7fb0c908cbb0) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_parse.cc:5626 #16 0x000000000057c491 in dispatch_command (command=COM_QUERY, thd=0x35528c0, packet=<optimized out>, packet_length=40) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_parse.cc:1036 #17 0x0000000000612d97 in do_handle_one_connection (thd_arg=<optimized out>) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_connect.cc:814 #18 0x0000000000612e04 in handle_one_connection (arg=<optimized out>) at /pb2/build/sb_0-6211460-1340979815.56/mysql-5.5.25a/sql/sql_connect.cc:733 #19 0x0000003072607d14 in start_thread () from /lib64/libpthread.so.0 #20 0x00000030722f197d in clone () from /lib64/libc.so.6
(gdb) bt libpthread. so.0 server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/signal_ handler. cc:249 :min_rows_ for_estimate (this=this@ entry=0x7ff5e80 197e0) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/ha_ partition. cc:6351 :records_ in_range (this=0x7ff5e80 197e0, inx=0, min_key= 0x7ff6005d5f00, max_key= 0x7ff6005d5f20) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/ha_ partition. cc:6427 param@entry= 0x7ff6005d7b30, idx=0, key_tree= 0x7ff5e8013d88, key=min_ key@entry= 0x7ff6005d7c88 "", min_key_ flag=min_ key_flag@ entry=0, min_keypart= min_keypart@ entry=- 1, key=max_ key@entry= 0x7ff6005d8b86 "\001", max_key_ flag=max_ key_flag@ entry=0, max_keypart= max_keypart@ entry=- 1) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/opt_ range.cc: 7807 param@entry= 0x7ff6005d7b30, idx=idx@entry=0, tree=<optimized out>, update_ tbl_stats= update_ tbl_stats@ entry=true) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/opt_ range.cc: 7578 scans_params (estimated_ records= <synthetic pointer>, read_time=1.2, update_ tbl_stats= true, read_must_ be_used= false, tree=0x7ff5e801 3828, param=0x7ff6005 d7b30) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/opt_ range.cc: 4966 :test_quick_ select (this=0x7ff5e80 062f8, thd=0x3552c30, keys_to_use=..., prev_tables= <optimized out>, limit=<optimized out>, force_quick_ range=< optimized out>) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/opt_ range.cc: 2322 record_ count (limit=<optimized out>, keys=0x7ff5e800 5ec8, table=0x7ff5e80 18f00, select= 0x7ff5e80062f8, thd=<optimized out>) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ select. cc:2635 statistics (join=join@ entry=0x7ff5e80 11260, tables_ arg=0x7ff5e8004 da0, conds=0x7ff5e80 058c0, array=keyuse_ array@entry= 0x7ff5e8012818) at /percona- server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ select. cc:3084 entry=0x7ff5e80 11260) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ select. cc:1076 entry=0x3552c30 , rref_pointer_ array=rref_ pointer_ array@entry= 0x35550b8, tables=<optimized out>, wild_num=<optimized out>, fields=..., conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_ options= 2147748608, result= result@ entry=0x7ff5e80 05a68, unit=0x35548c0, select_ lex=select_ lex@entry= 0x3554ee0) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ select. cc:2586 0x7ff5e8005a68, setup_tables_ done_option= 0) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ select. cc:312 sqlcom_ select (thd=thd@ entry=0x3552c30 , all_tables= 0x7ff5e8004da0) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ parse.cc: 4739 command (thd=thd@ entry=0x3552c30 ) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ parse.cc: 2283 entry=0x3552c30 , rawbuf=<optimized out>, length=40, state=parser_ state@entry= 0x7ff6005db810) at /percona- server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ parse.cc: 5809 server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ parse.cc: 1060 one_connection (thd_arg= thd_arg@ entry=0x3552c30 ) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ connect. cc:1458 one_connection (arg=0x3552c30) at /percona- server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/sql_ connect. cc:1365 libpthread. so.0 :min_rows_ for_estimate (this=this@ entry=0x7ff5e80 197e0) server/ 5.5/Percona- Server- 5.5.25a- rel27.1/ sql/ha_ partition. cc:6351 stats.records * max_used_partitions / tot_used_ partitions) ;
#0 0x000000307260c60c in pthread_kill () from /lib64/
#1 0x0000000000690d1f in handle_fatal_signal (sig=8) at /percona-
#2 <signal handler called>
#3 0x000000000096d38a in ha_partition:
at /percona-
#4 0x000000000096d420 in ha_partition:
at /percona-
#5 0x000000000073a143 in check_quick_keys (param=
min_
max_
at /percona-
#6 0x000000000073a8ce in check_quick_select (param=
at /percona-
#7 0x0000000000747599 in get_key_
index_
at /percona-
#8 SQL_SELECT:
at /percona-
#9 0x00000000005d41db in get_quick_
at /percona-
#10 make_join_
keyuse_
#11 0x00000000005d73fd in JOIN::optimize (this=this@
at /percona-
#12 0x00000000005d9c27 in mysql_select (thd=thd@
at /percona-
#13 0x00000000005dfd5f in handle_select (thd=0x3552c30, lex=0x3554800, result=
at /percona-
#14 0x00000000005990f1 in execute_
at /percona-
#15 0x00000000005a06c3 in mysql_execute_
at /percona-
#16 0x00000000005a4741 in mysql_parse (thd=thd@
parser_
#17 0x00000000005a5bc0 in dispatch_command (command=COM_QUERY, thd=0x3552c30, packet=<optimized out>, packet_length=40)
at /percona-
#18 0x000000000063dedf in do_handle_
at /percona-
#19 0x000000000063dfa1 in handle_
#20 0x0000003072607d14 in start_thread () from /lib64/
#21 0x00000030722f197d in clone () from /lib64/libc.so.6
(gdb) frame 3
#3 0x000000000096d38a in ha_partition:
at /percona-
6351 DBUG_RETURN(
(gdb) p tot_used_partitions
$1 = 0
Testcase:
CREATE TABLE t1 (c1 int key) PARTITION BY KEY (c1) PARTITIONS 2;
SELECT * FROM t1 WHERE c1 > 0 AND c1 < 1;
Crashes: Server- 5.5.25a- rel27.1 (optimized) 5.5.25a- linux2. 6-x86_64 (optimized)
Percona-
mysql-
Does not crash: 5.5.27- linux2. 6-x86_64 (optimized) (!) 5.1.63- linux-x86_ 64-glibc23 (optimized) 5.1.57- linux-x86_ 64-glibc23 (optimized) Server- 5.1.63- rel13.4- 458.Linux. x86_64 (optimized)
mysql-
mysql-
mysql-
Percona-
A user seeing this crash: stackoverflow. com/questions/ 11538705/ mysql-with- innodb- table-keep- crashing
http://
The crash in mysql-5. 5.25a-linux2. 6-x86_64 has a slightly different stacktrace (no frame #5 ha_partition: :records_ in_range) :
(gdb) bt libpthread. so.0 sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/signal_ handler. cc:247 :min_rows_ for_estimate (this=<optimized out>) at /pb2/build/ sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/ha_ partition. cc:6340 0x7fb0c9086fb0, idx=3154162400, key_tree=0x0, min_key= 0x7fb0c9087108 "", min_key_flag=0, 0x7fb0c9088006 "\001", max_key_flag=0, max_keypart=-1) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/opt_ range.cc: 7789 0x7fb0c9086fb0, idx=0, tree=0x7fb0bc01 3fd8, update_ tbl_stats= <optimized out>) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/opt_ range.cc: 7560 scans_params (param= 0x7fb0c9086fb0, tree=0x7fb0bc01 3a78, index_read_ must_be_ used=false, update_ tbl_stats= <optimized out>, read_time=1.2) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/opt_ range.cc: 4959 :test_quick_ select (this=0x7fb0bc0 062a8, thd=0x35528c0, keys_to_use=..., prev_tables= <optimized out>, limit=<optimized out>, force_quick_ range=< optimized out>) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/opt_ range.cc: 2321 record_ count (limit=<optimized out>, keys=<optimized out>, table=<optimized out>, select=<optimized out>, thd=<optimized out>) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ select. cc:2614 statistics (join=0x7fb0bc0 114b0, tables_ arg=0x7fb0bc004 d60, conds=<optimized out>, keyuse_ array=0x7fb0bc0 12a68) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ select. cc:3058 114b0) at /pb2/build/ sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ select. cc:1055 array=0x3554aa8 , tables=0x0, wild_num=1, fields=..., conds=0x7fb0bc0 05880, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=0, result= 0x7fb0bc005a28, unit=0x35542b0, select_ lex=0x35548d0) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ select. cc:2565 0x7fb0bc005a28, setup_tables_ done_option= 0) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ select. cc:297 sqlcom_ select (thd=0x35528c0, all_tables= 0x7fb0bc004d60) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ parse.cc: 4589 command (thd=0x35528c0) at /pb2/build/ sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ parse.cc: 2150 state=0x7fb0c90 8cbb0) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ parse.cc: 5626 sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ parse.cc: 1036 one_connection (thd_arg=<optimized out>) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ connect. cc:814 one_connection (arg=<optimized out>) sb_0-6211460- 1340979815. 56/mysql- 5.5.25a/ sql/sql_ connect. cc:733 libpthread. so.0
#0 0x000000307260c60c in pthread_kill () from /lib64/
#1 0x000000000066d3e1 in handle_fatal_signal (sig=8) at /pb2/build/
#2 <signal handler called>
#3 ha_partition:
#4 0x000000000072c9ef in check_quick_keys (param=
min_keypart=-1, max_key=
at /pb2/build/
#5 0x000000000072d0fe in check_quick_select (param=
at /pb2/build/
#6 0x000000000072d37c in get_key_
at /pb2/build/
#7 0x0000000000737009 in SQL_SELECT:
at /pb2/build/
#8 0x00000000005a9e96 in get_quick_
at /pb2/build/
#9 make_join_
at /pb2/build/
#10 0x00000000005ab261 in JOIN::optimize (this=0x7fb0bc0
#11 0x00000000005aeea1 in mysql_select (thd=0x35528c0, rref_pointer_
at /pb2/build/
#12 0x00000000005b4c59 in handle_select (thd=0x35528c0, lex=0x3554200, result=
at /pb2/build/
#13 0x0000000000572c91 in execute_
at /pb2/build/
#14 0x00000000005785ab in mysql_execute_
#15 0x000000000057a8ea in mysql_parse (thd=0x35528c0, rawbuf=<optimized out>, length=<optimized out>, parser_
at /pb2/build/
#16 0x000000000057c491 in dispatch_command (command=COM_QUERY, thd=0x35528c0, packet=<optimized out>, packet_length=40)
at /pb2/build/
#17 0x0000000000612d97 in do_handle_
at /pb2/build/
#18 0x0000000000612e04 in handle_
at /pb2/build/
#19 0x0000003072607d14 in start_thread () from /lib64/
#20 0x00000030722f197d in clone () from /lib64/libc.so.6