[Bug 14817] New: dual video card config doesn' t work when ati one of the adapters

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Mar 4 14:22:12 PST 2008


           Summary: dual video card config doesn't work when ati one of the
           Product: xorg
           Version: 7.1
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: bryan.christ at gmail.com
         QAContact: xorg-team at lists.x.org

In single head (integrated Intel 915) configuration, video works fine.  When
same system is reconfigured for dual head (integrated Intel + radeon or Intel +
rage128 ) X fails to start.  The error messages given are:

(WW) R128: No matching Device section for instance (BusID PCI:5:9:0) found
(EE) Screen 1 deleted because of no matching config section.

Although this problem happens on 7.1.1 (from Fedora 6) it also happens on 7.2
(from Fedora 7 & 8).

Steps to reproduce
1.  Create a working configuration.  In my case a HP Compaq d530 with
Integrated Intel 915 graphics.
2.  Install a radeon or rage 128 card.
3.  Configure xorg.conf to use "separate desktops"
4.  Try to start X.

Notes:  Although the above configuration fails, many other combinations of
hardware have been tried.  One system was a HP Compaq dx5150 which had
integrated ATI video and then I tried installing a second ATI PCI card.  I have
also tried NVidia + ATI and Matrox + ATI.  All 2-card configurations feature an
ATI card fail.

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