[xorg-bugzilla-noise] [Bug 1214] New: Xinerama/Multi head fails on a dual Appian radeon card (4 outputs)

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1214        
   
           Summary: Xinerama/Multi head fails on a dual Appian radeon card
                    (4 outputs)
           Product: xorg
           Version: 6.8.0
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Driver/Radeon
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: mchouque at free.fr


I just upgraded my box from Fedora Core 2 to dora Core release 2.90 (FC3 Test 1)
with the latest updates (xorg-x11 version 6.7.99.902-8).
My setup was working perfectly in Core 2 but it's no longer the case.

This PC has a PCI Appian graphic card: 2 radeon gpus that output to four
screens. This setup was working perfectly but now, only 3 out of the 4 screens
(3 LCDs and one plasma screen) are usable. I say usable because the last one,
albeit on, just displays a blank screen (ie I'm able to send windows or the
mouse pointer there but it's kind of a black hole as I can't see anything).
This monitor (a dell lcd in this case) is on, ie it "sees" a signal at this
point (and is on).

Moreover, I can't switch back to the virtual console, I only get garbled output
on the screens (this also used to work with the xorg version present in Core 2).

This behaviour is totally reproducible across restarts.

I can provide more details or help debuging stuff, just let me know.

I'm also attaching my xorg.conf and Xorg.0.log.

- Mathieu        
   
   
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