safe_mutex: Trying to lock unitialized mutex was issued after rpl.rpl_test_framework in buildbot

Description

http://buildbot.askmonty.org/buildbot/builders/bld-dan-debug/builds/1856/steps/test/logs/stdio

1 2 3 4 5 6 7 8 9 10 11 12 13 14 rpl.rpl_test_framework 'stmt' w1 [ pass ] 6510 worker[1] > Restart [mysqld.1 - pid: 15626, winpid: 15626] - using different config file worker[1] > Restart [mysqld.2 - pid: 15627, winpid: 15627] - using different config file worker[1] > Restart [mysqld.3 - pid: 15631, winpid: 15631] - using different config file worker[1] > Restart [mysqld.4 - pid: 15634, winpid: 15634] - using different config file worker[1] > Restart [mysqld.5 - pid: 15637, winpid: 15637] - using different config file worker[1] > Restart [mysqld.6 - pid: 15641, winpid: 15641] - using different config file worker[1] > Restart [mysqld.7 - pid: 15645, winpid: 15645] - using different config file worker[1] > Restart [mysqld.8 - pid: 15648, winpid: 15648] - using different config file worker[1] > Restart [mysqld.9 - pid: 15651, winpid: 15651] - using different config file ***Warnings generated in error logs during shutdown after running tests: rpl.rpl_test_framework safe_mutex: Trying to lock unitialized mutex at /opt/buildbot-slave/mariadb/dan_demeter1/build/sql/sql_plugin.cc, line 3112 Attempting backtrace. You can use the following information to find out

Environment

None

Status

Assignee

Kristian Nielsen

Reporter

Elena Stepanova

Labels

External issue ID

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External issue ID

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Components

Fix versions

Affects versions

5.5

Priority

Minor
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