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Description of problem:
I downloaded RHEL-7.0-20120626.0-Server-x86_64-dvd1.iso and intalled the burned DVD to a PC that has a Matrox VGA card. The minimal install was fine. When the PC rebooted, it was stuck at "Loading initial ramdisk" and wouldn't load the next graphical screen. 

I then tried it on a laptop and everything worked. 

Version-Release number of selected component (if applicable):
RHEL-7.0-20120626

How reproducible:
100%

Steps to Reproduce:
1. Install RHEL 7.0
2. Wait for PC to reboot and hang.
3.
  
Actual results:
PC hung at the "Loading initial ramdisk" message.

Expected results:
PC should boot to single user mode.

Additional info:

If it's stuck at 'loading initial ramdisk' (before you even get the kernel messages), it's likely stuck well before the graphics card gets into the picture.

I am getting the exact same symptoms using RHEL-7.0-20121029.n.3-Workstation-x86_64 under kvm. Once the VM starts, all I see is:

"""
Booting 'Red Hat Enterprise Linux Workstation'

Loading Linux 3.6.0.0-28.el7.x86_64 ...
Loading initial ramdisk ...
_
"""

There is furious disk activity for a few seconds but after that it just hangs with nothing else happening.

Please retest under RHEL 7.0 beta or later.  If the problem is still happening, feel free to reopen the bug.  If you do reopen the bug, be sure to include steps to reproduce the problem.