12.1.2.3 Reporting Bugs in the MySQL Test Suite

If your MySQL version doesn't pass the test suite you should do the following:

• Don't send a bug report before you have found out as much as possible of what when wrong! When you do it, please use the mysqlbug script so that we can get information about your system and MySQL version. See section 1.7.1.3 How to Report Bugs or Problems.
• Make sure to include the output of mysql-test-run, as well as contents of all .reject files in mysql-test/r directory.
• If a test in the test suite fails, check if the test fails also when run by its own:

  cd mysql-test
  mysql-test-run --local test-name
  

  If this fails, then you should configure MySQL with --with-debug and run mysql-test-run with the --debug option. If this also fails send the trace file `var/tmp/master.trace' to ftp://support.mysql.com/pub/mysql/secret so that we can examine it. Please remember to also include a full description of your system, the version of the mysqld binary and how you compiled it.
• Try also to run mysql-test-run with the --force option to see if there is any other test that fails.
• If you have compiled MySQL yourself, check our manual for how to compile MySQL on your platform or, preferable, use one of the binaries we have compiled for you at http://www.mysql.com/downloads/. All our standard binaries should pass the test suite !
• If you get an error, like Result length mismatch or Result content mismatch it means that the output of the test didn't match exactly the expected output. This could be a bug in MySQL or that your mysqld version produces slight different results under some circumstances. Failed test results are put in a file with the same base name as the result file with the .reject extension. If your test case is failing, you should do a diff on the two files. If you cannot see how they are different, examine both with od -c and also check their lengths.
• If a test fails totally, you should check the logs file in the mysql-test/var/log directory for hints of what went wrong.
• If you have compiled MySQL with debugging you can try to debug this by running mysql-test-run with the --gdb and/or --debug options. See section E.1.2 Creating Trace Files. If you have not compiled MySQL for debugging you should probably do that. Just specify the --with-debug options to configure! See section 2.3 Installing a MySQL Source Distribution.

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