[Bug 24727] New: monitor blank on DVI-0 connector

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Oct 25 15:06:04 PDT 2009


           Summary: monitor blank on DVI-0 connector
           Product: xorg
           Version: 7.4
          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: ancoron at chaoslayer.de
         QAContact: xorg-team at lists.x.org

Created an attachment (id=30679)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=30679)
dual head xorg.conf

My issue here is very much similar to the issue reported in

My setup is as follows:

- ATI Radeon HD2400 Pro (1x DVI-I, 1x VGA, 1x HDMI)
- Dell 3007WFP 30" at DVI-0 (2560x1600 @ 60Hz)
- Iiyama Vision Master Pro 510 (22" CRT) at VGA-0 (1600x1200 @ 85Hz)
- Kubuntu 9.04
- no KMS

After upgrading the radeon driver through xorg-edgers PPA (23.10.2009) my
primary display which is the big Dell LCD doesn't come up in KDM. The logs are
all fine. There seems to be no problem.

If I start in cloned mode the secondary display (the CRT) displays fine the
2560x1600 @60 Hz (yes it's a good one, looks a bit odd 16:10 vs. 4:3) but is
usable and behaves as expected. So all things are fine on the VGA-0 connector.

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