User paths and hostnames have been changed to anonymize the environment. [root@ibsegtest ~]# gdb -s /usr/lib/debug/usr/libexec/mysqld.debug -e /home/ibsegtest/sandbox/bin/mysqld GNU gdb (GDB) Red Hat Enterprise Linux (7.0.1-45.el5) Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/lib/debug/usr/libexec/mysqld.debug...done. (gdb) r --defaults-file=/home/ibsegtest/sandbox/my.sandbox.cnf --basedir=/usr --datadir=/home/ibsegtest/sandbox/data --plugin-dir=/usr/lib64/mysql/plugin --user=root --log-error=/home/ibsegtest/sandbox/data/mysqld.log --open-files-limit=65535 --pid-file=/home/ibsegtest/sandbox/data/mysql.pid --socket=/home/ibsegtest/sandbox/data/mysql.sock Starting program: /home/ibsegtest/sandbox/bin/mysqld --defaults-file=/home/ibsegtest/sandbox/my.sandbox.cnf --basedir=/usr --datadir=/home/ibsegtest/sandbox/data --plugin-dir=/usr/lib64/mysql/plugin --user=root --log-error=/home/ibsegtest/sandbox/data/mysqld.log --open-files-limit=65535 --pid-file=/home/ibsegtest/sandbox/data/mysql.pid --socket=/home/ibsegtest/sandbox/data/mysql.sock warning: no loadable sections found in added symbol-file system-supplied DSO at 0x2aaaaaaab000 [Thread debugging using libthread_db enabled] [New Thread 0x2aaaab4c3940 (LWP 13192)] [Thread 0x2aaaab4c3940 (LWP 13192) exited] [New Thread 0x2aaaab4c3940 (LWP 13193)] [New Thread 0x2aaab14c6940 (LWP 13194)] [New Thread 0x2aaab1ec7940 (LWP 13195)] [New Thread 0x2aaab28c8940 (LWP 13196)] [New Thread 0x2aaab32c9940 (LWP 13197)] [New Thread 0x2aaab3cca940 (LWP 13198)] [New Thread 0x2aaab46cb940 (LWP 13199)] [New Thread 0x2aaab50cc940 (LWP 13200)] [New Thread 0x2aaab5acd940 (LWP 13201)] [New Thread 0x2aaab64ce940 (LWP 13202)] [New Thread 0x2aaab7429940 (LWP 13203)] [New Thread 0x2aaab7e2a940 (LWP 13204)] [Thread 0x2aaab7429940 (LWP 13203) exited] [New Thread 0x2aaab882b940 (LWP 13205)] [New Thread 0x2aaab7429940 (LWP 13206)] [New Thread 0x2aaab922c940 (LWP 13207)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x2aaab922c940 (LWP 13207)] THD::raise_condition (this=0x0, sql_errno=139, sqlstate=0x0, level=WARN_LEVEL_WARN, msg=0x2aaab9229340 "Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768 bytes is stored inline.") at /usr/src/debug/mysql-5.5.41/sql/sql_class.cc:1086 1086 if (!(variables.option_bits & OPTION_SQL_NOTES) && (gdb) bt #0 THD::raise_condition (this=0x0, sql_errno=139, sqlstate=0x0, level=WARN_LEVEL_WARN, msg=0x2aaab9229340 "Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768 bytes is stored inline.") at /usr/src/debug/mysql-5.5.41/sql/sql_class.cc:1086 #1 0x000000000055dc2c in push_warning_printf (thd=0x0, level=WARN_LEVEL_WARN, code=139, format=) at /usr/src/debug/mysql-5.5.41/sql/sql_error.cc:636 #2 0x0000000000824d4f in ib_warn_row_too_big (table=) at /usr/src/debug/mysql-5.5.41/storage/innobase/handler/ha_innodb.cc:12114 #3 0x00000000008b4d65 in dict_index_add_to_cache (table=0xff4b08, index=0xff4eb8, page_no=3, strict=0) at /usr/src/debug/mysql-5.5.41/storage/innobase/dict/dict0dict.c:1783 #4 0x00000000008bfbcb in dict_load_indexes (table=0xff4b08, heap=0x1602c50, ignore_err=DICT_ERR_IGNORE_NONE) at /usr/src/debug/mysql-5.5.41/storage/innobase/dict/dict0load.c:1557 #5 0x00000000008bb559 in dict_load_table (name=, cached=1, ignore_err=DICT_ERR_IGNORE_NONE) at /usr/src/debug/mysql-5.5.41/storage/innobase/dict/dict0load.c:1863 #6 0x00000000008bc055 in dict_load_table_on_id (table_id=) at /usr/src/debug/mysql-5.5.41/storage/innobase/dict/dict0load.c:2044 #7 0x00000000009278a9 in row_purge (thr=0x15f1140) at /usr/src/debug/mysql-5.5.41/storage/innobase/include/dict0dict.ic:881 #8 row_purge_step (thr=0x15f1140) at /usr/src/debug/mysql-5.5.41/storage/innobase/row/row0purge.c:805 #9 0x000000000091e04c in que_thr_step (thr=0x15f1140) at /usr/src/debug/mysql-5.5.41/storage/innobase/que/que0que.c:1247 #10 que_run_threads_low (thr=0x15f1140) at /usr/src/debug/mysql-5.5.41/storage/innobase/que/que0que.c:1305 #11 que_run_threads (thr=0x15f1140) at /usr/src/debug/mysql-5.5.41/storage/innobase/que/que0que.c:1342 #12 0x000000000085ee75 in trx_purge (limit=20) at /usr/src/debug/mysql-5.5.41/storage/innobase/trx/trx0purge.c:1213 #13 0x00000000008527d3 in srv_master_do_purge () at /usr/src/debug/mysql-5.5.41/storage/innobase/srv/srv0srv.c:2734 #14 0x0000000000855823 in srv_master_thread (arg=) at /usr/src/debug/mysql-5.5.41/storage/innobase/srv/srv0srv.c:3066 #15 0x00000035eaa0683d in start_thread () from /lib64/libpthread.so.0 #16 0x00000033410d4fcd in clone () from /lib64/libc.so.6 (gdb) frame 0 #0 THD::raise_condition (this=0x0, sql_errno=139, sqlstate=0x0, level=WARN_LEVEL_WARN, msg=0x2aaab9229340 "Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768 bytes is stored inline.") at /usr/src/debug/mysql-5.5.41/sql/sql_class.cc:1086 1086 if (!(variables.option_bits & OPTION_SQL_NOTES) && (gdb) i args this = 0x0 sql_errno = 139 sqlstate = 0x0 level = WARN_LEVEL_WARN msg = 0x2aaab9229340 "Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768 bytes is stored inline."