This is an upstream bug : http://bugs.mysql.com/bug.php?id=74677
*** Testcase DROP DATABASE test;CREATE DATABASE test;USE test; create TABLE t1(a bit(7)); SET @@session.default_tmp_storage_engine=MERGE; create temporary TABLE t1(a int)select * FROM t1; ** Bug watch added: MySQL Bug System #74677 http://bugs.mysql.com/bug.php?id=74677 ** Tags added: upstream ** Also affects: mysql-server via http://bugs.mysql.com/bug.php?id=74677 Importance: Unknown Status: Unknown ** Changed in: percona-server/5.6 Status: New => Triaged ** Changed in: percona-server/5.6 Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Server/Client Support Team, which is subscribed to MySQL. Matching subscriptions: Ubuntu Server/Client Support Team https://bugs.launchpad.net/bugs/1384571 Title: sql/unireg.cc:1180: bool make_empty_rec(THD*, File, uint, List<Create_field>&, uint, ulong, handler*): Assertion `data_offset == ((null_count + 7) / 8)' failed. on CREATE TEMPORARY TABLE | abort (sig=6) in make_empty_rec To manage notifications about this bug go to: https://bugs.launchpad.net/mysql-server/+bug/1384571/+subscriptions -- Mailing list: https://launchpad.net/~enterprise-support Post to : [email protected] Unsubscribe : https://launchpad.net/~enterprise-support More help : https://help.launchpad.net/ListHelp

