Hi PBXTers! I am having trouble getting PBXT working properly on various versions of MySQL. When using MariaDB 5.1.42 and 5.1.44 with their built-in PBXT, it looks like PBXT gets stuck trying to replay logs? Here is an except of the error log:
Apr 18 22:28:04 mcp mysqld: 100418 22:28:04 [Error] DB-RECOVERY-mysql pthread_rwlock_t* xt_xlock_rwlock(thread_xt.cc:1644) errno (35): Resource deadlock avoided Apr 18 22:28:04 mcp mysqld: 100418 22:28:04 [Error] DB-RECOVERY-mysql pthread_rwlock_t* xt_xlock_rwlock(thread_xt.cc:1644) For Percona 5.1.45, I end up getting a crash when trying to create a new table: --- mysql> use test; ERROR 1049 (42000): Unknown database 'test' mysql> create database test; Query OK, 1 row affected (0.00 sec) mysql> use test; Database changed mysql> create table pbxt1 (num1 serial, string varchar(64)) ENGINE='PBXT'; ERROR 2013 (HY000): Lost connection to MySQL server during query .. mysql> Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 - mysqld got signal 11 ; Apr 18 22:30:52 mcp-new mysqld: This could be because you hit a bug. It is also possible that this binary Apr 18 22:30:52 mcp-new mysqld: or one of the libraries it was linked against is corrupt, improperly built, Apr 18 22:30:52 mcp-new mysqld: or misconfigured. This error can also be caused by malfunctioning hardware. Apr 18 22:30:52 mcp-new mysqld: We will try our best to scrape up some info that will hopefully help diagnose Apr 18 22:30:52 mcp-new mysqld: the problem, but since we have already crashed, something is definitely wrong Apr 18 22:30:52 mcp-new mysqld: and this may fail. Apr 18 22:30:52 mcp-new mysqld: Apr 18 22:30:52 mcp-new mysqld: key_buffer_size=16777216 Apr 18 22:30:52 mcp-new mysqld: read_buffer_size=131072 Apr 18 22:30:52 mcp-new mysqld: max_used_connections=1 Apr 18 22:30:52 mcp-new mysqld: max_threads=151 Apr 18 22:30:52 mcp-new mysqld: threads_connected=1 Apr 18 22:30:52 mcp-new mysqld: It is possible that mysqld could use up to Apr 18 22:30:52 mcp-new mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 346495 K Apr 18 22:30:52 mcp-new mysqld: bytes of memory Apr 18 22:30:52 mcp-new mysqld: Hope that's ok; if not, decrease some variables in the equation. Apr 18 22:30:52 mcp-new mysqld: Apr 18 22:30:52 mcp-new mysqld: thd: 0x26c3850 Apr 18 22:30:52 mcp-new mysqld: Attempting backtrace. You can use the following information to find out Apr 18 22:30:52 mcp-new mysqld: where mysqld died. If you see no messages after this, something went Apr 18 22:30:52 mcp-new mysqld: terribly wrong... Apr 18 22:30:52 mcp-new mysqld: stack_bottom = 0x7f27aeda30c8 thread_stack 0x20000 Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x8dd90e] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(handle_segfault+0x40d)[0x5e104d] Apr 18 22:30:52 mcp-new mysqld: /lib/libpthread.so.0[0x7f27c8f38190] Apr 18 22:30:52 mcp-new mysqld: /lib/libc.so.6(strlen+0x11)[0x7f27c7f3c441] Apr 18 22:30:52 mcp-new mysqld: /usr/lib/mysql/plugin/libpbxt.so(_Z23xt_last_2_names_of_pathPKc+0x9)[0x7f27c4c46879] Apr 18 22:30:52 mcp-new mysqld: /usr/lib/mysql/plugin/libpbxt.so(_ZN18XTSystemTableShare13isSystemTableEPKc+0x1b)[0x7f27c4c59bab] Apr 18 22:30:52 mcp-new mysqld: /usr/lib/mysql/plugin/libpbxt.so[0x7f27c4c28a22] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z15get_new_handlerP14st_table_shareP11st_mem_rootP10handlerton+0x68)[0x6d4228] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z14open_table_defP3THDP14st_table_sharej+0x1359)[0x638709] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z15ha_create_tableP3THDPKcS2_S2_P24st_ha_create_informationb+0x58)[0x6d7828] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z16rea_create_tableP3THDPKcS2_S2_P24st_ha_create_informationR4ListI12Create_fieldEjP6st_keyP7handler+0x17b)[0x69791b] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z26mysql_create_table_no_lockP3THDPKcS2_P24st_ha_create_informationP10Alter_infobj+0xc49)[0x6ec3a9] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z18mysql_create_tableP3THDPKcS2_P24st_ha_create_informationP10Alter_infobj+0x8e)[0x6ec4fe] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x544a)[0x5f77da] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z11mysql_parseP3THDPKcjPS2_+0x342)[0x5f7b32] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0xd89)[0x5f88c9] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_Z10do_commandP3THD+0xe8)[0x5f91a8] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(handle_one_connection+0x21d)[0x5eb8ed] Apr 18 22:30:52 mcp-new mysqld: /lib/libpthread.so.0[0x7f27c8f2fa04] Apr 18 22:30:52 mcp-new mysqld: /lib/libc.so.6(clone+0x6d)[0x7f27c7f9c80d] Apr 18 22:30:52 mcp-new mysqld: Trying to get some variables. Apr 18 22:30:52 mcp-new mysqld: Some pointers may be invalid and cause the dump to abort... Apr 18 22:30:52 mcp-new mysqld: thd->query at 0x2bbbd90 = create table pbxt1 (num1 serial, string varchar(64)) ENGINE='PBXT' Apr 18 22:30:52 mcp-new mysqld: thd->thread_id=35 Apr 18 22:30:52 mcp-new mysqld: thd->killed=NOT_KILLED Apr 18 22:30:52 mcp-new mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains Apr 18 22:30:52 mcp-new mysqld: information that should help you find out what is causing the crash. Apr 18 22:30:52 mcp-new mysqld_safe: Number of processes running now: 0 Apr 18 22:30:52 mcp-new mysqld_safe: mysqld restarted Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 [Note] Plugin 'FEDERATED' is disabled. Apr 18 22:30:52 mcp-new mysqld: InnoDB: The InnoDB memory heap is disabled Apr 18 22:30:52 mcp-new mysqld: InnoDB: Mutexes and rw_locks use GCC atomic builtins Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 InnoDB: highest supported file format is Barracuda. Apr 18 22:30:52 mcp-new mysqld: InnoDB: The log sequence number in ibdata files does not match Apr 18 22:30:52 mcp-new mysqld: InnoDB: the log sequence number in the ib_logfiles! Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 InnoDB: Database was not shut down normally! Apr 18 22:30:52 mcp-new mysqld: InnoDB: Starting crash recovery. Apr 18 22:30:52 mcp-new mysqld: InnoDB: Reading tablespace information from the .ibd files... Apr 18 22:30:52 mcp-new mysqld: InnoDB: Restoring possible half-written data pages from the doublewrite Apr 18 22:30:52 mcp-new mysqld: InnoDB: buffer... Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 InnoDB Plugin 1.0.6-10 started; log sequence number 44278 Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 [Note] PrimeBase XT (PBXT) Engine 1.0.10i RC loaded... Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 [Note] Paul McCullagh, PrimeBase Technologies GmbH, http://www.primebase.org Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 [Note] The server was not shutdown correctly, recovery required Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 [Note] Recovering after a crash using tc.log Apr 18 22:30:52 mcp-new mysqld: 100418 22:30:52 - mysqld got signal 11 ; Apr 18 22:30:52 mcp-new mysqld: This could be because you hit a bug. It is also possible that this binary Apr 18 22:30:52 mcp-new mysqld: or one of the libraries it was linked against is corrupt, improperly built, Apr 18 22:30:52 mcp-new mysqld: or misconfigured. This error can also be caused by malfunctioning hardware. Apr 18 22:30:52 mcp-new mysqld: We will try our best to scrape up some info that will hopefully help diagnose Apr 18 22:30:52 mcp-new mysqld: the problem, but since we have already crashed, something is definitely wrong Apr 18 22:30:52 mcp-new mysqld: and this may fail. Apr 18 22:30:52 mcp-new mysqld: Apr 18 22:30:52 mcp-new mysqld: key_buffer_size=16777216 Apr 18 22:30:52 mcp-new mysqld: read_buffer_size=131072 Apr 18 22:30:52 mcp-new mysqld: max_used_connections=0 Apr 18 22:30:52 mcp-new mysqld: max_threads=151 Apr 18 22:30:52 mcp-new mysqld: threads_connected=0 Apr 18 22:30:52 mcp-new mysqld: It is possible that mysqld could use up to Apr 18 22:30:52 mcp-new mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 346495 K Apr 18 22:30:52 mcp-new mysqld: bytes of memory Apr 18 22:30:52 mcp-new mysqld: Hope that's ok; if not, decrease some variables in the equation. Apr 18 22:30:52 mcp-new mysqld: Apr 18 22:30:52 mcp-new mysqld: thd: 0x0 Apr 18 22:30:52 mcp-new mysqld: Attempting backtrace. You can use the following information to find out Apr 18 22:30:52 mcp-new mysqld: where mysqld died. If you see no messages after this, something went Apr 18 22:30:52 mcp-new mysqld: terribly wrong... Apr 18 22:30:52 mcp-new mysqld: stack_bottom = (nil) thread_stack 0x20000 Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x8dd90e] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(handle_segfault+0x40d)[0x5e104d] Apr 18 22:30:52 mcp-new mysqld: /lib/libpthread.so.0[0x7fcdd8900190] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_ZN11TC_LOG_MMAP7recoverEv+0x149)[0x67bd99] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(_ZN11TC_LOG_MMAP4openEPKc+0x3f8)[0x67e678] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld[0x5e30c8] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld(main+0x1de)[0x5e61ce] Apr 18 22:30:52 mcp-new mysqld: /lib/libc.so.6(__libc_start_main+0xfd)[0x7fcdd78a3abd] Apr 18 22:30:52 mcp-new mysqld: /usr/sbin/mysqld[0x516aa9] Apr 18 22:30:52 mcp-new mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains Apr 18 22:30:52 mcp-new mysqld: information that should help you find out what is causing the crash. Apr 18 22:30:52 mcp-new mysqld_safe: mysqld from pid file /var/run/mysqld/mysqld.pid ended --- I have not logged a bug yet since I wasn't sure if there was enough information to log one but thought I would at least pass this along. Werd, Tim S. _______________________________________________ Mailing list: https://launchpad.net/~pbxt-discuss Post to : [email protected] Unsubscribe : https://launchpad.net/~pbxt-discuss More help : https://help.launchpad.net/ListHelp

