Looking at the kernel log it would appear that apparmor is blocking access to /etc/mysql/my.cnf. However looking at the profile not sure why this is as /etc/mysql/my.cnf has read permission.
** Tags added: apparmor -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to mysql-dfsg-5.1 in ubuntu. https://bugs.launchpad.net/bugs/735830 Title: package mysql-server-5.1 5.1.37-1ubuntu5.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
