MySQL 5.5 Fail start Fedora 16
Ensure you have enough space in / and data dir.


Kill all processes for mysql in ps -ef | grep -i mysql 
If you see any any ibdata file generated under your default data directory you may remove them also iblogfile1,2 since its a fresh installation no need to safe backup them.
chown -R mysql:root /var/lib/mysql
chmod -R 775 /var/lib/mysql also the same permissions to /etc/my.cnf.
Now try to start the instance by issuing /etc/init.d/mysql start and tail -f /var/log/mysqld.log. It should start without any issues if you get any error message .