I was also able to get it to start by manually adding these lines to the apparmor profile in /etc/apparmor.d/usr.sbin.mysqld:
/run/mysqld/mysqld.pid w, /run/mysqld/mysqld.sock w, There are already lines for /var/run/mysqld, but it appears that apparmor is not following the symlink that was put there during the precise upgrade. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/934013 Title: Mysql fails to start after upgrade to precise To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.5/+bug/934013/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs