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Bug 89060 - Dual head monitor problem with Radeon VE and Xinerama
Dual head monitor problem with Radeon VE and Xinerama
Status: CLOSED DUPLICATE of bug 87854
Product: Red Hat Linux
Classification: Retired
Component: XFree86 (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Mike A. Harris
David Lawrence
Depends On:
  Show dependency treegraph
Reported: 2003-04-16 21:05 EDT by Chris Lalancette
Modified: 2007-04-18 12:53 EDT (History)
0 users

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2006-02-21 13:52:43 EST
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Regression: ---
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Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
XF86Config file that produces the bug. (3.57 KB, text/plain)
2003-04-16 21:07 EDT, Chris Lalancette
no flags Details

  None (edit)
Description Chris Lalancette 2003-04-16 21:05:31 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20030225

Description of problem:
I was running a dual head X on RedHat 7.3 with an ATI Radeon VE card with no
problems.  I upgraded to RedHat 9, but I saved the XF86Config-4 file from my 7.3
installation.  Once I had 9 installed, I used the same XF86Config file (with
Xinerama enabled), and X starts up fine, but when I move my mouse from one of
the screens to the other, it shuts the first screen off.  I can fix it by
Ctrl-Alt-F1 and then Ctrl-Alt-F7, but that only lasts until I move the mouse
over.  This happens both with GNOME/Metacity, and with TWM (just by running
xinit and then starting TWM by hand).  Note that the window is still there, as I
can drag windows onto it, and do everything else; it's just that the monitor is
in sleep mode.  I have not yet had a chance to test with another video card, but
within the next few days I will try that.  I have attached my XF86Config file
for reference.

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

How reproducible:

Steps to Reproduce:
1.  Have a Radeon VE with Dual Monitors.
2.  Use the attached XF86Config.
3.  start a window manager, either with xinit and then TWM, or startx (starting

Actual Results:  Both monitors come up fine (which results in a single 2048x768
display), but moving the mouse off of the "left" screen (in my setup) causes the
"left" monitor to go blank.

Expected Results:  The "left" monitor should stay on, and continue to operate.

Additional info:
Comment 1 Chris Lalancette 2003-04-16 21:07:23 EDT
Created attachment 91163 [details]
XF86Config file that produces the bug.

This is the XF86Config file that I am currently using.
Comment 2 Mike A. Harris 2003-04-18 05:33:37 EDT

*** This bug has been marked as a duplicate of 87854 ***
Comment 3 Red Hat Bugzilla 2006-02-21 13:52:43 EST
Changed to 'CLOSED' state since 'RESOLVED' has been deprecated.

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