#0 0x00007f1dc09c94ec in __pthread_kill (threadid=, signo=) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:63 #1 0x0000000000d0a9ab in my_write_core (sig=6) at /usr/local/src/mariadb-5.5.37/mysys/stacktrace.c:457 #2 0x0000000000808365 in handle_fatal_signal (sig=6) at /usr/local/src/mariadb-5.5.37/sql/signal_handler.cc:262 #3 #4 0x00007f1dbf66b475 in *__GI_raise (sig=) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #5 0x00007f1dbf66e6f0 in *__GI_abort () at abort.c:92 #6 0x0000000000b50954 in buf_pool_from_bpage (bpage=0x7f1abe041100) at /usr/local/src/mariadb-5.5.37/storage/xtradb/include/buf0buf.ic:78 #7 0x0000000000b50d5a in buf_page_get_mutex (bpage=0x7f1abe041100) at /usr/local/src/mariadb-5.5.37/storage/xtradb/include/buf0buf.ic:340 #8 0x0000000000b55b7c in buf_LRU_free_block (bpage=0x7f1abe041100, zip=1, have_LRU_mutex=0x7f1aaf364d20) at /usr/local/src/mariadb-5.5.37/storage/xtradb/buf/buf0lru.c:1925 #9 0x0000000000b53670 in buf_LRU_free_from_common_LRU_list (buf_pool=0x7f1d8b77e678, n_iterations=1, have_LRU_mutex=0x7f1aaf364d20) at /usr/local/src/mariadb-5.5.37/storage/xtradb/buf/buf0lru.c:1055 #10 0x0000000000b537b9 in buf_LRU_search_and_free_block (buf_pool=0x7f1d8b77e678, n_iterations=1) at /usr/local/src/mariadb-5.5.37/storage/xtradb/buf/buf0lru.c:1104 #11 0x0000000000b54060 in buf_LRU_get_free_block (buf_pool=0x7f1d8b77e678) at /usr/local/src/mariadb-5.5.37/storage/xtradb/buf/buf0lru.c:1343 #12 0x0000000000b4245f in buf_page_get_gen (space=169, zip_size=8192, offset=71826, rw_latch=1, guess=0x0, mode=10, file=0xedb9f8 "/usr/local/src/mariadb-5.5.37/storage/xtradb/row/row0sel.c", line=4051, mtr=0x7f1aaf365700) at /usr/local/src/mariadb-5.5.37/storage/xtradb/buf/buf0buf.c:2694 #13 0x0000000000b21f29 in btr_cur_search_to_nth_level (index=0x7f1ab79a7878, level=0, tuple=0x7f1ab7a803a8, mode=2, latch_mode=1, cursor=0x7f1ab7a800e8, has_search_latch=0, file=0xedb9f8 "/usr/local/src/mariadb-5.5.37/storage/xtradb/row/row0sel.c", line=4051, mtr=0x7f1aaf365700) at /usr/local/src/mariadb-5.5.37/storage/xtradb/btr/btr0cur.c:640 #14 0x0000000000ab2443 in btr_pcur_open_with_no_init_func (index=0x7f1ab79a7878, tuple=0x7f1ab7a803a8, mode=2, latch_mode=1, cursor=0x7f1ab7a800e8, has_search_latch=0, file=0xedb9f8 "/usr/local/src/mariadb-5.5.37/storage/xtradb/row/row0sel.c", line=4051, mtr=0x7f1aaf365700) at /usr/local/src/mariadb-5.5.37/storage/xtradb/include/btr0pcur.ic:482 #15 0x0000000000ab9938 in row_search_for_mysql (buf=0x7f1ab7b82e78 "6\320-\001\003US1\273\315)O\022", mode=2, prebuilt=0x7f1ab7a80078, match_mode=1, direction=0) at /usr/local/src/mariadb-5.5.37/storage/xtradb/row/row0sel.c:4049 #16 0x0000000000a6933d in ha_innobase::index_read (this=0x7f1ab8418078, buf=0x7f1ab7b82e78 "6\320-\001\003US1\273\315)O\022", key_ptr=0x7f1ab7b83208 "\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245h4z\025\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245"..., key_len=7, find_flag=HA_READ_KEY_EXACT) at /usr/local/src/mariadb-5.5.37/storage/xtradb/handler/ha_innodb.cc:7693 #17 0x0000000000a6a35e in ha_innobase::rnd_pos (this=0x7f1ab8418078, buf=0x7f1ab7b82e78 "6\320-\001\003US1\273\315)O\022", pos=0x7f1ab7b83208 "\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245h4z\025\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245"...) at /usr/local/src/mariadb-5.5.37/storage/xtradb/handler/ha_innodb.cc:8200 #18 0x0000000000813ce9 in handler::rnd_pos_by_record (this=0x7f1ab8418078, record=0x7f1ab7b82e78 "6\320-\001\003US1\273\315)O\022") at /usr/local/src/mariadb-5.5.37/sql/handler.h:2236 #19 0x00000000008fa184 in handler::ha_rnd_pos_by_record (this=0x7f1ab8418078, buf=0x7f1ab7b82e78 "6\320-\001\003US1\273\315)O\022") at /usr/local/src/mariadb-5.5.37/sql/sql_class.h:4412 #20 0x00000000008f83fd in Rows_log_event::find_row (this=0x7f1ab8492e20, rli=0x7f1ad63b17f0) at /usr/local/src/mariadb-5.5.37/sql/log_event.cc:10642 #21 0x00000000008f8f6a in Delete_rows_log_event::do_exec_row (this=0x7f1ab8492e20, rli=0x7f1ad63b17f0) at /usr/local/src/mariadb-5.5.37/sql/log_event.cc:10962 #22 0x00000000008f3d5b in Rows_log_event::do_apply_event (this=0x7f1ab8492e20, rli=0x7f1ad63b17f0) at /usr/local/src/mariadb-5.5.37/sql/log_event.cc:8639 #23 0x00000000005b7d5a in Log_event::apply_event (this=0x7f1ab8492e20, rli=0x7f1ad63b17f0) at /usr/local/src/mariadb-5.5.37/sql/log_event.h:1256 #24 0x00000000005afb96 in apply_event_and_update_pos (ev=0x7f1ab8492e20, thd=0x7f1ab7816060, rli=0x7f1ad63b17f0) at /usr/local/src/mariadb-5.5.37/sql/slave.cc:2641 #25 0x00000000005b012b in exec_relay_log_event (thd=0x7f1ab7816060, rli=0x7f1ad63b17f0) at /usr/local/src/mariadb-5.5.37/sql/slave.cc:2801 #26 0x00000000005b25ae in handle_slave_sql (arg=0x7f1ad63b0000) at /usr/local/src/mariadb-5.5.37/sql/slave.cc:3670 #27 0x00007f1dc09c3b50 in start_thread (arg=) at pthread_create.c:304 #28 0x00007f1dbf7150ed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #29 0x0000000000000000 in ?? ()