[Bug 13412] New: Gutsy - Second monitor will not turn on with Radeon driver

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Nov 27 15:12:03 PST 2007


           Summary: Gutsy - Second monitor will not turn on with Radeon
           Product: xorg
           Version: 7.2
          Platform: x86 (IA32)
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: jared.jones at psualum.com
         QAContact: xorg-team at lists.x.org

I have a dual-head CRT-display setup that worked with Ubuntu Feisty Fawn. It
consists of an ATI Radeon 9600 (RV350), a Compaq P1100, and a Compaq V1100
(both CRT monitors).

Attached is my xorg.conf file. These are the versions included with Gutsy

When my computer boots, both the kdm and KDE desktop only activates the VGA-0
output (Compaq P1100 CRT monitor-Left). When I execute these commands, the
desktop grows correctly but the DVI-0 output does not turn on the Compaq V1100
CRT monitor-Right:

xrandr --addmode DVI-0 1600x1200
xrandr --output DVI-0 --mode 1600x1200 --right-of VGA-0

Is the problem:

   1. Do I need xorg-7.3 and xserver-xorg-core-1.4?
   2. Is the monitor too old to be detected (~1999)?
   3. The DVI->VGA adapter I use?
   4. Do I need to add a Device Section in xorg.conf for the PCI:1:0:1
secondary adapter?
   5. Is there a bug in the radeon driver?

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