Thanks for the feedback! Here is a diff on the deb file contents between .41 and .43: $ diff filelist-7a16260.log filelist-c26f269.log 800d799 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/t/error_simulation-master.opt 838d836 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/t/frm_bad_row_type-7333.test 1167d1164 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/t/uniques_crash-7912.test 1238d1234 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/t/table_keyinfo-6838.test 1247d1242 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/t/ctype_uca_innodb.test 1283d1277 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/t/filesort_bad_i_s-7585.test 1343d1336 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/t/mysql_upgrade_view.test 1820d1812 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/r/frm_bad_row_type-7333.result 1890d1881 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/r/ctype_uca_innodb.result 2128d2118 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/r/mysql_upgrade_view.result 2131d2120 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/r/uniques_crash-7912.result 2154d2142 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/r/table_keyinfo-6838.result 2241d2228 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/r/filesort_bad_i_s-7585.result 2277d2263 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/bad_row_type.frm 2399,2407d2384 < drwxr-xr-x root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/ < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/v4.frm < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/v3.frm < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/v1badcheck.frm < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/event.MYI < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/event.frm < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/v1.frm < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/event.MYD < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/mysql_upgrade/v2.frm 2420d2396 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/bad_row_type.MYI 2426d2401 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/std_data/bad_row_type.MYD 2645d2619 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/binlog/t/temptable_uservar_disconnect-7938.test 2767d2740 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/binlog/r/temptable_uservar_disconnect-7938.result 3451d3423 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/sys_vars/t/stored_program_cache_func.test 3459d3430 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/sys_vars/r/stored_program_cache_func.result 6279d6249 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/rpl/t/rpl_special_charset.opt 6297d6266 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/rpl/t/rpl_drop_db_fail.test 6550d6518 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/rpl/t/rpl_special_charset.test 6597d6564 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/rpl/t/show_status_stop_slave_race-7126.test 6887d6853 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/rpl/r/rpl_special_charset.result 6919d6884 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/rpl/r/rpl_drop_db_fail.result 6951d6915 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/rpl/r/show_status_stop_slave_race-7126.result 7113d7076 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/innodb/t/innodb-mdev-7513.test 7143d7105 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/innodb/t/multi_repair-7404.test 7208d7169 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/innodb/r/innodb-mdev-7513.result 7292d7252 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/suite/innodb/r/multi_repair-7404.result 8224d8183 < -rw-r--r-- root/root ./usr/share/mysql/mysql-test/include/ctype_utf8_ilseq.inc 8458c8417 < -rwxr-xr-x root/root ./usr/share/mysql/mysql-test/lib/generate-ssl-certs.sh --- > -rw-r--r-- root/root ./usr/share/mysql/mysql-test/lib/generate-ssl-certs.sh It seems upstream has changed/added more tests to the test suite, which should be OK. The probably reflect code changes in the micro release and don't seem alerting to me. Seth Arnold: >started the builds anyway. But if you could investigate these and >hopefully stop them from being included in the future, that'd be best. The diff of the upstream branch at github shows quite nicely what changed, it even displays the png files side-by-side: https://github.com/ottok/mariadb-5.5/commit/1d7e28f9cf5d6d1893adc453ba319ebd3a6f5ee2 Unfortunately I don't know any tool to easily compare what changed inside the frm and MYI files which are binary storage formats. I am not sure what your objective here is, what is it you want me to make sure stops?