Server IP : 104.21.38.3 / Your IP : 162.158.88.14 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/innodb/t/ |
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--source include/have_debug.inc --source include/have_innodb.inc --source include/have_debug_sync.inc --source include/count_sessions.inc --echo # --echo # Bug #21983865 UNEXPECTED DEADLOCK WITH INNODB_AUTOINC_LOCK_MODE=0 --echo # create table t1(f1 int not null auto_increment primary key) engine=innodb; --echo # Hold autoinc_lock on table t1 from connection con1 connect (con1, localhost, root); set debug_sync='ib_after_row_insert SIGNAL others WAIT_FOR continue_others'; --send insert into t1 values(NULL) connection default; --echo # Create 40 connections and make it to wait for autoinc_lock on table t1. --disable_query_log set debug_sync='now WAIT_FOR others'; let $1=2; while ($1 < 40) { connect (con$1,localhost,root); --send insert into t1 values(NULL) inc $1; connection default; } connect (con40,localhost,root); --enable_query_log --echo # Release the auto_inc lock on table t1 for connection con1 set debug_sync='now SIGNAL continue_others'; --echo # Now all 40 connections can finish the insert operation on t1. let $1=1; connection default; disconnect con40; while ($1 < 40) { connection con$1; --reap connection default; disconnect con$1; inc $1; } drop table t1; --source include/wait_until_count_sessions.inc