Your system is giving error while booting on Runlevel 5 . Make successfully boot your system in runlevel 5.
Answer and Explanation: While you load the X Window System, you will get the problem. To troubleshoot follow the following steps:
1.Check the /tmp is full ?
2.Check your quota, hard limit is already crossed ?
3.Check xfs service is running ?
4.Configure the Video card, Resolution, monitor type using: system-config-display (Most Probably in Redhat exam)
5.Edit the /etc/inittab to set default runlevel 5.
id:5:initdefault: