package mysql-server-5.0 5.1.30really5.0.75-0ubuntu10.2 [modified: usr/share/mysql/sql-bench/limits/mysql-4.0.cfg] failed to install/upgrade: subprocess post-installation script returned error exit status 1

This looks like the problem:

Log started: 2009-07-10 13:47:59
Setting up mysql-server-5.0 (5.1.30really5.0.75-0ubuntu10.2) ...

 * Stopping MySQL database server mysqld 
[ OK ]

 * Reloading AppArmor profiles ... 
[ OK ]

 * Starting MySQL database server mysqld 
[fail]

invoke-rc.d: initscript mysql, action "start" failed.

dpkg: error processing mysql-server-5.0 (--configure):

 subprocess post-installation script returned error exit status 1

dpkg: dependency problems prevent configuration of mysql-server:

 mysql-server depends on mysql-server-5.0; however:

  Package mysql-server-5.0 is not configured yet.

dpkg: error processing mysql-server (--configure):

 dependency problems - leaving unconfigured

Could you please provide the following information:

 * content of /var/log/daemon.log related to mysql processes:

    /var/log/daemon.log

 * apparmor audit messages related to mysqld:

    /var/log/kern.log

 * mysqld apparmor profile:

    /etc/apparmor.d/usr.sbin.mysqld

 * mysql configuration stripped of private information (such as password):

    /etc/mysql/my.cnf

 * extra mysql configuration from the conf.d directory:

    /etc/mysql/conf.d/

We are closing this bug report because it lacks the information we need to investigate the problem, as described in the previous comments. Please reopen it if you can give us the missing information, and don't hesitate to submit bug reports in the future. To reopen the bug report you can click on the current status, under the Status column, and change the Status back to "New". Thanks again!