Comment 1 for bug 1420303

This is uncovered by

$ ./mysql-test-run --big-test rpl_semi_sync_group_commit_deadlock
...
rpl.rpl_semi_sync_group_commit_deadlock 'stmt' [ fail ] Found warnings/errors in server log file!
        Test ended at 2015-02-10 16:16:44
line
2015-02-10 17:16:05 94862 [ERROR] Error writing file 'master-bin' (errno: 2 - No such file or directory)
.... repeated 2 times: [ERROR] Error writing file 'master-bin' (errno: 2 - No such file or directory)
2015-02-10 17:16:05 94862 [ERROR] Error writing file 'master-bin' (errno: 35 - Resource temporarily unavailable)
.... repeated 1681 times: [ERROR] Error writing file 'master-bin' (errno: 35 - Resource temporarily unavailable)
2015-02-10 17:16:25 94862 [ERROR] Error writing file 'master-bin' (errno: 2 - No such file or directory)
.... repeated 4 times: [ERROR] Error writing file 'master-bin' (errno: 2 - No such file or directory)
2015-02-10 17:16:25 94862 [ERROR] Error writing file 'master-bin' (errno: 35 - Resource temporarily unavailable)
.... repeated 1699 times: [ERROR] Error writing file 'master-bin' (errno: 35 - Resource temporarily unavailable)
^ Found warnings in /Users/laurynas/percona/lp-mysql-server/big-test-fixes/obj-debug/mysql-test/var/log/mysqld.1.err
ok

because the testcase uses error injection simulate_binlog_flush_error hitting the same difference in err: code path between Percona Server and MySQL.