Hello Maria! https://code.launchpad.net/~percona-dev/percona-server/release-5.1.49-12-rnt When i build this branch: cd Percona-Server/ && ./BUILD/autorun.sh && ./configure --prefix=/usr/local/mysql --exec-prefix=/usr/local/mysql --bindir=/usr/local/mysql/bin --sbindir=/usr/local/mysql/bin --sysconfdir=/etc --datadir=/usr/local/mysql/share --includedir=/usr/local/mysql/include --libdir=/usr/local/mysql/lib --libexecdir=/usr/local/mysql/bin --with-client-ldflags=-all-static --localstatedir=/var/lib/mysql --sharedstatedir=/usr/local/mysql/com --mandir=/usr/local/mysql/man --infodir=/usr/local/mysql/share/info --enable-shared --enable-static --enable-assembler --enable-local-infile --with-mysqld-user=mysql --with-unix-socket-path=/var/lib/mysql/mysql.sock --with-pic --with-extra-charsets=complex --with-ssl --enable-thread-safe-client --with-readline --without-plugin-ndbcluster --without-plugin-maria --without-plugin-innobase --with-plugin-innodb_plugin --with-plugin-partition --with-plugin-csv --with-plugin-archive --with-plugin-blackhole --with-plugin-federated --without-embedded-server --without-bench --with-zlib-dir=bundled --with-big-tables && make -j3 And then run tests: cd mysql-test && ./mysql-test-run main.ctype_cp932_binlog_stm I get test error: worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 13000..13009 main.ctype_cp932_binlog_stm [ fail ] Found warnings/errors in server log file! Test ended at 2010-10-13 08:02:25 line 101013 18:02:25 [ERROR] Error in Log_event::read_log_event(): 'Event too big', data_len: 50724864, event_type: 0 ^ Found warnings in /mnt/data/home/oleg.tsarev/12687/Percona-Server/mysql-test/var/log/mysqld.1.err ok - saving '/mnt/data/home/oleg.tsarev/12687/Percona-Server/mysql-test/var/log/main.ctype_cp932_binlog_stm/' to '/mnt/data/home/oleg.tsarev/12687/Percona-Server/mysql-test/var/log/main.ctype_cp932_binlog_stm/' ------------------------------------------------------------ The servers were restarted 0 times Spent 0.000 of 1 seconds executing testcases mysql-test-run: WARNING: Got errors/warnings while running tests, please examine '/mnt/data/home/oleg.tsarev/12687/Percona-Server/mysql-test/var/log/warnings' for details. Completed: Failed 1/1 tests, 0.00% were successful. Failing test(s): main.ctype_cp932_binlog_stm I found, what reason of this bug - our patch wl47.patch. I try to fix this bug, but i know replication not enough for this. Do you know about this trouble with WL #47? Best regards, Oleg --- Oleg Tsarev, Software Engineer, Percona Inc.