Apparently it is crashing with just one table import as well. Here's the backtrace: Program received signal SIGABRT, Aborted. [Switching to Thread 0x7fe5a7f16700 (LWP 2780)] 0x000000318e232885 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.47.el6_2.9.x86_64 libaio-0.3.107-10.el6.x86_64 libgcc-4.4.6-3.el6.x86_64 nss-softokn-freebl-3.12.9-11.el6.x86_64 (gdb) (gdb) (gdb) (gdb) bt #0 0x000000318e232885 in raise () from /lib64/libc.so.6 #1 0x000000318e234065 in abort () from /lib64/libc.so.6 #2 0x0000000000915a80 in rec_get_offsets_func (rec=0x7fe5982bb157 "cket.com/albums/aa252/phiednate/scan0003.gif", index=0x7fe598087138, offsets=0x7fe5a7f11d40, n_fields=, heap=0x7fe5a7f122b0, file=, line=3576) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/storage/innobase/rem/rem0rec.c:561 #3 0x00000000008bc20e in fil_open_single_table_tablespace (check_space_id=, id=40, flags=0, name=0x7fe598033b70 "art159/img_out159", trx=0x7fe5982b0fd8) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/storage/innobase/fil/fil0fil.c:3575 #4 0x00000000008193b2 in row_import_tablespace_for_mysql (name=0x7fe598033b70 "art159/img_out159", trx=0x7fe5982b0fd8) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/storage/innobase/row/row0mysql.c:2786 #5 0x00000000007fa667 in ha_innobase::discard_or_import_tablespace (this=0x7fe5982aa0d0, discard=0 '\000') at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/storage/innobase/handler/ha_innodb.cc:8094 #6 0x00000000005e7cf5 in mysql_discard_or_import_tablespace (thd=0xab486010, new_db=0x7fe598004c30 "art159", new_name=0x0, create_info=0x7fe5a7f14610, table_list=0x7fe598004c80, alter_info=0x7fe5a7f146f0, order_num=0, order=0x0, ignore=false) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_table.cc:4754 #7 mysql_alter_table (thd=0xab486010, new_db=0x7fe598004c30 "art159", new_name=0x0, create_info=0x7fe5a7f14610, table_list=0x7fe598004c80, alter_info=0x7fe5a7f146f0, order_num=0, order=0x0, ignore=false) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_table.cc:5945 #8 0x000000000078657f in Alter_table_statement::execute (this=, thd=0xab486010) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_alter.cc:106 #9 0x0000000000586b00 in mysql_execute_command (thd=0xab486010) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_parse.cc:4575 #10 0x000000000058a323 in mysql_parse (thd=0xab486010, rawbuf=, length=2873654232, parser_state=0x7fe5a7f15bb0) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_parse.cc:5804 #11 0x000000000058b982 in dispatch_command (command=COM_QUERY, thd=0xab486010, packet=0x7fe598004b60 "ALTER TABLE art159.img_out159 IMPORT TABLESPACE", packet_length=2817612952) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_parse.cc:1060 #12 0x0000000000623a97 in do_handle_one_connection (thd_arg=) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_connect.cc:1433 #13 0x0000000000623bd1 in handle_one_connection (arg=0xab486010) at /usr/src/debug/Percona-Server-5.5.22-rel25.2/Percona-Server-5.5.22-rel25.2/sql/sql_connect.cc:1340 #14 0x000000318e6077f1 in start_thread () from /lib64/libpthread.so.0 #15 0x000000318e2e5ccd in clone () from /lib64/libc.so.6