[Bug 26668] New: Dual head not working with Radeon HD 5800

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=26668

           Summary: Dual head not working with Radeon HD 5800
           Product: xorg
           Version: 7.5
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: mathieu.berard at crans.org
         QAContact: xorg-team at lists.x.org


Created an attachment (id=33452)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33452)
Xorg log with UMS and minimal xorg.conf

Hello,
I am trying a dual head setup with no success so far...


Hardware:
Radeon HD 5850 (1002:6899)
Primary monitor: DVI-D Samsung SyncMaster 1920x1080 connected to DVI-1 output
Secondary monitor: VGA Acer AL2216W 1680x1050 connected to DVI-0 output (with
DVI-A/VGA adaptator)

Software:
Ubuntu Lucid
kernel 2.6.32 + drm from drm-radeon-testing (git commit 45fa67...)
xorg 1.7.5
radeon ddx 6.12.99 (git commit a3b730ec...)

The desired setup is to have the primary monitor right of the secondary one
That is primary at +1680 +0 and secondary at +0 +15


What I have tried:
* KMS with minimal Xorg.conf
Dual Head setup using xrandr or gnome-display-properties

* UMS with minimal Xorg.conf + 'Virtual 3600 1080' display option
Dual Head setup using xrandr or gnome-display-propertie

* KMS with dual head setup in Xorg.conf

What happen:
The secondary display (the VGA one, connected to DVI-0) always stays off

There is also sometimes bug in with the cursor: it can't reach all part of the
display, it appears to hit some 'invisible wall' like if the right edge of the
desktop was in the middle of the screen.


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