Bug 538522

Summary: With KMS, X fails to start with a "no screens found" error when attached to a monitor with a bad EDID
Product: [Fedora] Fedora Reporter: Nicholas Miell <nmiell>
Component: xorg-x11-drv-atiAssignee: X/OpenGL Maintenance List <xgl-maint>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: low    
Version: 12CC: jglisse, xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2009-11-20 17:53:32 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
successful (nodmodeset) Xorg log
none
failing Xorg log
none
xorg.conf none

Description Nicholas Miell 2009-11-18 18:26:47 UTC 
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
Comment 1 Nicholas Miell 2009-11-18 18:29:34 UTC 
Created attachment 370156 [details]
failing Xorg log
Comment 2 Nicholas Miell 2009-11-18 18:30:31 UTC 
Created attachment 370157 [details]
xorg.conf
Comment 3 Jérôme Glisse 2009-11-20 17:53:32 UTC 

*** This bug has been marked as a duplicate of bug 533632 ***