Description:
BACKUP DATABASE * causes assertion
mysqld: handler.cc:1971: THD* handler::ha_thd() const: Assertion `!table || !table->in_use || table->in_use == _current_thd()' failed.
with the following backtrace:
#0 0x00110402 in __kernel_vsyscall ()
#1 0x00bdc617 in pthread_kill () from /lib/libpthread.so.0
#2 0x0849136f in write_core (sig=6) at stacktrace.c:305
#3 0x082e98bd in handle_segfault (sig=6) at mysqld.cc:2621
#4 <signal handler called>
#5 0x00110402 in __kernel_vsyscall ()
#6 0x00a6e690 in raise () from /lib/libc.so.6
#7 0x00a6ff91 in abort () from /lib/libc.so.6
#8 0x00a6793e in __assert_fail () from /lib/libc.so.6
#9 0x08416c96 in handler::ha_thd (this=0x9bee6b0) at handler.cc:1971
#10 0x0841f285 in handler::mark_trx_read_write (this=0x9bee6b0) at handler.cc:2976
#11 0x08416e6f in handler::ha_write_row (this=0x9bee6b0, buf=0x9bfd750 ">Ь") at handler.cc:5308
#12 0x088f56bc in report_ob_init (process_id=0, state=BUP_STARTING, operation=OP_BACKUP, error_num=0, user_comment=0x8a5f98a "", backup_file=0x9bf5fa8 "a",
command=0x9bf5f20 "BACKUP DATABASE * to 'a'") at backup_progress.cc:480
#13 0x088e7dc9 in execute_backup_command (thd=0x9bafec0, lex=0x9bb1078) at kernel.cc:287
#14 0x082fbd65 in mysql_execute_command (thd=0x9bafec0) at sql_parse.cc:2134
#15 0x08304550 in mysql_parse (thd=0x9bafec0, inBuf=0x9bf5f20 "BACKUP DATABASE * to 'a'", length=24, found_semicolon=0xa9d4e270) at sql_parse.cc:5623
#16 0x08304f69 in dispatch_command (command=COM_QUERY, thd=0x9bafec0, packet=0x9be72f1 "BACKUP DATABASE * to 'a'", packet_length=24) at sql_parse.cc:1031
#17 0x083061c8 in do_command (thd=0x9bafec0) at sql_parse.cc:723
#18 0x082f2611 in handle_one_connection (arg=0x9bafec0) at sql_connect.cc:1125
#19 0x00bd750b in start_thread () from /lib/libpthread.so.0
#20 0x00b18b2e in clone () from /lib/libc.so.6
How to repeat:
mysql> BACKUP DATABASE * to 'a';
ERROR 2013 (HY000): Lost connection to MySQL server during query
Description: BACKUP DATABASE * causes assertion mysqld: handler.cc:1971: THD* handler::ha_thd() const: Assertion `!table || !table->in_use || table->in_use == _current_thd()' failed. with the following backtrace: #0 0x00110402 in __kernel_vsyscall () #1 0x00bdc617 in pthread_kill () from /lib/libpthread.so.0 #2 0x0849136f in write_core (sig=6) at stacktrace.c:305 #3 0x082e98bd in handle_segfault (sig=6) at mysqld.cc:2621 #4 <signal handler called> #5 0x00110402 in __kernel_vsyscall () #6 0x00a6e690 in raise () from /lib/libc.so.6 #7 0x00a6ff91 in abort () from /lib/libc.so.6 #8 0x00a6793e in __assert_fail () from /lib/libc.so.6 #9 0x08416c96 in handler::ha_thd (this=0x9bee6b0) at handler.cc:1971 #10 0x0841f285 in handler::mark_trx_read_write (this=0x9bee6b0) at handler.cc:2976 #11 0x08416e6f in handler::ha_write_row (this=0x9bee6b0, buf=0x9bfd750 ">Ь") at handler.cc:5308 #12 0x088f56bc in report_ob_init (process_id=0, state=BUP_STARTING, operation=OP_BACKUP, error_num=0, user_comment=0x8a5f98a "", backup_file=0x9bf5fa8 "a", command=0x9bf5f20 "BACKUP DATABASE * to 'a'") at backup_progress.cc:480 #13 0x088e7dc9 in execute_backup_command (thd=0x9bafec0, lex=0x9bb1078) at kernel.cc:287 #14 0x082fbd65 in mysql_execute_command (thd=0x9bafec0) at sql_parse.cc:2134 #15 0x08304550 in mysql_parse (thd=0x9bafec0, inBuf=0x9bf5f20 "BACKUP DATABASE * to 'a'", length=24, found_semicolon=0xa9d4e270) at sql_parse.cc:5623 #16 0x08304f69 in dispatch_command (command=COM_QUERY, thd=0x9bafec0, packet=0x9be72f1 "BACKUP DATABASE * to 'a'", packet_length=24) at sql_parse.cc:1031 #17 0x083061c8 in do_command (thd=0x9bafec0) at sql_parse.cc:723 #18 0x082f2611 in handle_one_connection (arg=0x9bafec0) at sql_connect.cc:1125 #19 0x00bd750b in start_thread () from /lib/libpthread.so.0 #20 0x00b18b2e in clone () from /lib/libc.so.6 How to repeat: mysql> BACKUP DATABASE * to 'a'; ERROR 2013 (HY000): Lost connection to MySQL server during query