[Bug 10023] New: MergedFB no display on second monitor. 2.6.20, Xorg 7.1, AMD64, R423, PCIE

bugzilla-daemon at annarchy.freedesktop.org bugzilla-daemon at annarchy.freedesktop.org
Sun Feb 18 12:19:43 PST 2007


           Summary: MergedFB no display on second monitor. 2.6.20, Xorg 7.1,
                    AMD64, R423, PCIE
           Product: xorg
           Version: 7.1
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: joe at cicat.com

I'm running a AMD64 Gentoo System, Kernel 2.6.20 (Gentoo Sources).

Card is a PCIE X800GT dual DVI out (R423).

I'm trying to run MergedFB to have an extended desktop across two Monitors. I
believe the config is good because both monitors seem to be successfully
detected in my Xorg log. But when x is started (KDE) the second screen never
appears to initialize. Looking at the pager the desktop is extended as onto the
other display  and I can scroll my mouse off the edge of the screen as though
the other monitor is active.

In doing some research before opening this bug I came across bug #1666 which
seams to be similar but when I use 'xset dpms force off' the primary monitor
goes into standby mode similar to the secondary monitor but when I move my
mouse only the primary display comes back.

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