stack_bottom = 0x0 thread_stack 0x40000
|
*** buffer overflow detected ***: /u01/mariadb/bin/mysqld terminated
|
======= Backtrace: =========
|
/lib64/libc.so.6(__fortify_fail+0x37)[0x7f6f9059c597]
|
/lib64/libc.so.6(+0x10c750)[0x7f6f9059a750]
|
/lib64/libc.so.6(+0x10e507)[0x7f6f9059c507]
|
/u01/mariadb/bin/mysqld(my_addr_resolve+0xda)[0x7f6f9327932a]
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/u01/mariadb/bin/mysqld(my_print_stacktrace+0x1c2)[0x7f6f93262a22]
|
/u01/mariadb/bin/mysqld(handle_fatal_signal+0x357)[0x7f6f92cf04b7]
|
/lib64/libpthread.so.0(+0xf100)[0x7f6f9213d100]
|
/u01/mariadb/bin/mysqld(_ZN12Active_tranx24clear_active_tranx_nodesEPKcy+0xc6)[0x7f6f92c3f7d6]
|
/u01/mariadb/bin/mysqld(_ZN21Repl_semi_sync_master10switch_offEv+0x1e)[0x7f6f92c3fcae]
|
/u01/mariadb/bin/mysqld(_ZN21Repl_semi_sync_master11init_objectEv+0xd4)[0x7f6f92c3fe64]
|
/u01/mariadb/bin/mysqld(+0x4f2b3f)[0x7f6f92a60b3f]
|
/u01/mariadb/bin/mysqld(_Z11mysqld_mainiPPc+0x4b7)[0x7f6f92a67287]
|
/lib64/libc.so.6(__libc_start_main+0xf5)[0x7f6f904afb15]
|
/u01/mariadb/bin/mysqld(+0x4ec7ed)[0x7f6f92a5a7ed]
|
|
353 int Repl_semi_sync_master::init_object()
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354 {
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355 int result;
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356
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357 m_init_done = true;
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358
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359 /* References to the parameter works after set_options(). */
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360 set_wait_timeout(rpl_semi_sync_master_timeout);
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361 set_trace_level(rpl_semi_sync_master_trace_level);
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362 set_wait_point(rpl_semi_sync_master_wait_point);
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363
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364 /* Mutex initialization can only be done after MY_INIT(). */
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365 mysql_mutex_init(key_LOCK_binlog,
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366 &LOCK_binlog, MY_MUTEX_INIT_FAST);
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367 mysql_cond_init(key_COND_binlog_send,
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368 &COND_binlog_send, NULL);
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369
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370 if (rpl_semi_sync_master_enabled)
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371 {
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372 result = enable_master();
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373 if (!result)**
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374 result= ack_receiver.start(); /* Start the ACK thread. */
|
375 }
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376 else
|
377 {
|
378 result = disable_master();
|
379 }
|
380
|
381 /*
|
382 If rpl_semi_sync_master_wait_no_slave is disabled, let's temporarily
|
383 switch off semisync to avoid hang if there's none active slave.
|
384 */
|
385 if (!rpl_semi_sync_master_wait_no_slave)
|
386 switch_off();
|
387
|
388 return result;
|
389 }
|
|
391 int Repl_semi_sync_master::enable_master()
|
392 {
|
393 int result = 0;
|
394
|
395 /* Must have the lock when we do enable of disable. */
|
396 lock();
|
397
|
398 if (!get_master_enabled())
|
399 {
|
400 m_active_tranxs = new Active_tranx(&LOCK_binlog, m_trace_level);
|
401 if (m_active_tranxs != NULL)
|
|
|
964 int Repl_semi_sync_master::switch_off()
|
965 {
|
966 int result;
|
967
|
968 DBUG_ENTER("Repl_semi_sync_master::switch_off");
|
969
|
970 m_state = false;
|
971
|
972 /* Clear the active transaction list. */
|
973 assert(m_active_tranxs != NULL);
|
974 result = m_active_tranxs->clear_active_tranx_nodes(NULL, 0);
|
975
|
976 rpl_semi_sync_master_off_times++;
|