main.mysqld--help 'unix' sometimes fails with a timeout in buildbot

Description

As of now, happened 3 times according to the cross-reference report:
http://buildbot.askmonty.org/buildbot/builders/kvm-bintar-quantal-x86/builds/1484
http://buildbot.askmonty.org/buildbot/builders/kvm-bintar-quantal-x86/builds/1479
http://buildbot.askmonty.org/buildbot/builders/kvm-bintar-quantal-x86/builds/1299

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 main.mysqld--help 'unix' w2 [ fail ] timeout after 900 seconds Test ended at 2014-12-06 13:16:11 Test case timeout after 900 seconds == /run/shm/var_auto_hGGZ/2/log/mysqld--help.log == == /run/shm/var_auto_hGGZ/2/tmp/analyze-timeout-mysqld.1.err == mysqltest: Could not open connection 'default': 2013 Lost connection to MySQL server at 'reading initial communication packet', system error: 104 "Connection reset by peer" - saving '/run/shm/var_auto_hGGZ/2/log/main.mysqld--help-unix/' to '/usr/local/mariadb-10.1.2-linux-i686/mysql-test/var/log/main.mysqld--help-unix/' Retrying test main.mysqld--help, attempt(2/3)... worker[2] > Restart - not started ***Warnings generated in error logs during shutdown after running tests: main.mysql_cp932 main.mysql_comments main.mysql_not_windows main.mysql-bug41486 main.mysqld--defaults-file main.mysql_upgrade_no_innodb main.mysql_locale_posix main.mysql5613mysql main.mysql_tzinfo_to_sql_symlink main.mysql_protocols main.mysqld--help main.mysqladmin main.mysql-bug45236 Attempting backtrace. You can use the following information to find out main.mysqld--help 'unix' w2 [ retry-pass ] 68

Always on 10.1*, always on kvm-bintar-quantal-x86.
Different slaves.
Couldn't reproduce it so far on the same VM image with the same sequence of tests

Environment

None

Status

Assignee

Sergei Golubchik

Reporter

Elena Stepanova

Labels

External issue ID

None

External issue ID

None

Components

Fix versions

Affects versions

10.1

Priority

Minor
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