GNU gdb Red Hat Linux (6.3.0.0-1.96rh) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu"...cUsing host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) core-file core.5584 Core was generated by `/usr/local/mysql/bin/mysqld --no-defaults --core-file --debug=d,info,error,quer'. Program terminated with signal 11, Segmentation fault. Reading symbols from /lib/tls/librt.so.1...done. Loaded symbols for /lib/tls/librt.so.1 Reading symbols from /lib/tls/libpthread.so.0...done. Loaded symbols for /lib/tls/libpthread.so.0 Reading symbols from /lib/libdl.so.2...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /lib/libcrypt.so.1...done. Loaded symbols for /lib/libcrypt.so.1 Reading symbols from /lib/libnsl.so.1...done. Loaded symbols for /lib/libnsl.so.1 Reading symbols from /lib/tls/libm.so.6...done. Loaded symbols for /lib/tls/libm.so.6 Reading symbols from /lib/tls/libc.so.6...done. Loaded symbols for /lib/tls/libc.so.6 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /lib/libgcc_s.so.1...done. Loaded symbols for /lib/libgcc_s.so.1 #0 0x0051c7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2 (gdb) (gdb) (gdb) backtrace full #0 0x0051c7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2 No symbol table info available. #1 0x0030394b in pthread_kill () from /lib/tls/libpthread.so.0 No symbol table info available. #2 0x08279d63 in write_core (sig=5584) at stacktrace.c:220 No locals. #3 0x0817b9b5 in handle_segfault (sig=11) at mysqld.cc:2115 thd = (class THD *) 0x0 #4 No symbol table info available. #5 0x083464ba in page_copy_rec_list_end_no_locks (new_page=0x9525c000 "Lu\005\233", page=0x95260000 "Lu\005\233", rec=0x95260063 "infimum", index=0xb235e668, mtr=0x7e3beeb0) at page0page.c:519 cur1 = {rec = 0x952626d1 "-989974195725 \2000QÉ001"} cur2 = {rec = 0x9525fe62 "-989974195722 \2000Ro\001"} sup = (rec_t *) 0x95260070 "supremum\001" heap = (mem_heap_t *) 0x0 offsets_ = {100, 2, 2147483654, 32, 36, 46, 11749, 11825, 2425520128, 2425531915, 2425531085, 3, 2117856304, 4, 1, 789, 15445, 2425520128, 2117856776, 137288164, 2985869160, 0, 789, 2117856944, 100, 2985869160, 2117856352, 2117856944, 2117858068, 3153175, 2117858064, 2989896216, 165287816, 617, 2117856392, 138103574, 165287816, 2117860272, 12, 165287816, 0, 43, 2117856424, 2989896216, 165287812, 3153175, 2117856424, 165287812, 165287816, 617, 2117856456, 138103574, 165287816, 2117860272, 2117856472, 165287816, 0, 43, 2117856488, 165287812, 9, 165287800, 2117856488, 137742434, 165287816, 139056013, 617, 2989896216, 165287812, 165287800, 2117856552, 137733886, 165287816, 138942042, 43, 2989896360, 512, 0, 165287812, 2989896216, 9, 512, 2989895704, 2989896232, 2989896232, 2989896232, 2117856584, 137730580, 0, 0, 2117856648, 0, 0, 2989896232, 2989896232, 137650331, 2502279288, 0, 16252, 137449231} offsets = (ulint *) 0x7e3bebd0 #6 0x082e0bfd in btr_page_reorganize_low (recovery=0, page=0x9525c000 "Lu\005\233", index=0xb235e668, mtr=0x7e3beeb0) at ../include/page0page.ic:189 new_page = (ib_page_t *) 0x95260000 "Lu\005\233" log_mode = 21 data_size1 = 12622 data_size2 = 2117856744 max_ins_size1 = 3250 max_ins_size2 = 2180481024 #7 0x082e0dcf in btr_page_reorganize (page=0x9525c000 "Lu\005\233", index=0xb235e668, mtr=0x7e3beeb0) at btr0btr.c:920 No locals. #8 0x082bb620 in ibuf_insert_to_index_page (entry=0xb2368aa8, page=0x9525c000 "Lu\005\233", index=0xb235e668, mtr=0x7e3beeb0) at ibuf0ibuf.c:2854 page_cur = {rec = 0x9525fe71 " \2000Ro\001"} rec = (rec_t *) 0xd327b4 "" bitmap_page = (ib_page_t *) 0x0 #9 0x082bc8bb in ibuf_merge_or_delete_for_page (page=0x9525c000 "Lu\005\233", space=362, page_no=67259, update_ibuf_bitmap=1) at ibuf0ibuf.c:3220 dummy_index = (dict_index_t *) 0xb235e668 heap = (mem_heap_t *) 0xb235e028 pcur = {btr_cur = {index = 0xb1f8bf68, page_cur = {rec = 0x9092ae31 ""}, left_page = 0x269 "", thr = 0x7e3bf348, flag = 3, tree_height = 2, up_match = 3, up_bytes = 0, low_match = 2, low_bytes = 2, n_fields = 3105526639, n_bytes = 2224417534, fold = 2502279168, path_arr = 0x8495eafe}, latch_mode = 2, old_stored = 122766467, old_rec = 0x0, old_n_fields = 6, rel_pos = 1, block_when_stored = 0x8142b798, modify_clock = { high = 0, low = 115}, pos_state = 1997660512, search_mode = 2, trx_if_known = 0x0, mtr = 0x5d7d9dac, old_rec_buf = 0x0, buf_size = 38} entry = (dtuple_t *) 0x0 search_tuple = (dtuple_t *) 0xb235e068 ibuf_rec = (rec_t *) 0x9092ae31 "" bitmap_page = (ib_page_t *) 0x0 ibuf_data = (ibuf_data_t *) 0xb1f8b4e8 n_inserts = 162 tablespace_being_deleted = 0 corruption_noticed = 0 mtr = {state = 0, memo = {heap = 0x0, used = 32, data = "\002\000\000\000\230UJ\2017\000\000\000\000\000\000\000\003\000\000\000\030F×200\002\000\000\000\030â201\002\000\000\000\000\000\000\000\002\000\000\000\000\000\000\0008\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\002", '\0' , base = {count = 0, start = 0x0, end = 0xc6c251}, list = {prev = 0x0, next = 0x0}}, log = {heap = 0xb2363828, used = 16777456, data = "&\201jÁ006»\000\002\000\002\000 \200\0048S\002ª\016\000\202\232+\023&\201jÁ006»\000\002\000\002\000 \200\0048n\002¬\016\000\202\232+9&\201jÁ006»\000\002\000\002\000 \200\004,\203\002®\016\000\202\232+_&\201jÁ006»\000\002\000\002\000 \200\004&J\002°\016\000\202\232+\205&\201jÁ006»\000\002\000\002\000 \200\004&/\002²\016\000\202\232+«&\201jÁ006»\000\002\000\002\000 \200\004&\024\002´\016\000\202\232+Ñ\201jÁ006»\000\002\000\002\000 \200\004!p\002¶\016\000\202\232+÷01jÁ006»\000\002\000\002\000 \200\004!U\002¸\016\000\202\232,\035&\201jÁ006»\000\002"..., base = {count = 3, start = 0x7e3bf0d0, end = 0xb2369068}, list = {prev = 0x0, next = 0xb2363868}}, modifications = 1, n_log_recs = 43, log_mode = 22, start_lsn = {high = 56, low = 1642168857}, end_lsn = {high = 56, low = 1642170392}, magic_n = 2117858088} #10 0x08310a18 in buf_page_io_complete (block=0x814a5598) at buf0buf.c:1887 io_type = 561 #11 0x08337009 in fil_aio_wait (segment=2) at fil0fil.c:4155 system = (fil_system_t *) 0xb1f7e668 ret = 0 fil_node = (fil_node_t *) 0xb1fb5968 message = (void *) 0x814a5598 type = 10 #12 0x082a085a in io_handler_thread (arg=0x0) at srv0start.c:446 segment = 2 #13 0x00300371 in start_thread () from /lib/tls/libpthread.so.0 No symbol table info available. #14 0x00cd29be in clone () from /lib/tls/libc.so.6 No symbol table info available. (gdb)