[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


http://bugs.freedesktop.org/show_bug.cgi?id=13412

           Summary: Gutsy - Second monitor will not turn on with Radeon
                    driver
           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
Gibbon:
 xrandr-1.2
 xorg-7.2
 xserver-xorg-7.2
 xserver-xorg-core-1.3
 xserver-xorg-video-ati-6.7.195

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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