Created attachment 370153 [details]
successful (nodmodeset) Xorg log

Description of problem:
When using kernel mode setting and a monitor that reports bad EDID data, X will not start due to a "no screens found" error, even if there's a screen listed in xorg.conf.

Version-Release number of selected component (if applicable):
kernel-2.6.31.5-127.fc12.x86_64
xorg-x11-drv-ati-6.13.0-0.10.20091006git457646d73.fc12.x86_64
xorg-x11-server-Xorg-1.7.1-7.fc12.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Boot the system with a monitor that reports a bad EDID
  
Actual results:
X fails to start with a "no screens found" error.

Expected results:
X uses the configured monitor settings