[Bug 507763] [NEW] When using dual DVI-screens, both display adapters register as DVI1 as well as DVI0.

Ghost wraith_994 at yahoo.co.nz
Fri Jan 15 03:28:03 UTC 2010

Public bug reported:

Binary package hint: kdebase-workspace

Running a dual screen setup with an ATI card. This was fine until I
upgraded the card. DVI1 and DVI0 are now seen on both adapters of my
graphics card. Meaning that both screens insist that they're DVI1 and 0
at the same time - yet when I disable one a screen goes blank. Both
adapters are also seen as connected even if I pull one out and restart
the system that way. Am trying to run a dual-screen setup, but instead
ending up with the same image duplicated across both monitors and the
system telling me that I'm only running one physical monitor, but it's
putting both (identical) displays on it. Most likely over the top of
each other.

Further info: Recently upgraded my graphics card from an X1900XTX, to a
4850 (both ATI) - and now get told I have an *unknown display type* on
starting Kubuntu. Suspect this is related to the problem, though simply
loading the *default* allows the displays to run - but with the problem
as stated.

Currently running Kubuntu 9.10, but problem has existed (for me) since

ProblemType: Bug
Architecture: amd64
Date: Fri Jan 15 15:56:45 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/systemsettings
Package: systemsettings 4:4.3.2-0ubuntu7.1
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
SourcePackage: kdebase-workspace
Uname: Linux 2.6.31-17-generic x86_64
XsessionErrors: (polkit-gnome-authentication-agent-1:3537): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

** Affects: kdebase-workspace (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: amd64 apport-bug

When using dual DVI-screens, both display adapters register as DVI1 as well as DVI0.
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