[ale] Dual-headed displays and X.org...

[Dow_Hurst]

Ati or Nvidia?
Twinview under Nvidia usually makes this easy to setup.  I don't know much about ATI settings.  Xinerama settings would be where to look when trying to unify the desktop if you don't use Twinview.  Newer versions of Xorg have Xinerama enabled for OpenGL acceleration.  I don't think older versions will allow this.  Maybe you need Xorg 8.6.9?  Anyone comment on this?
Thanks,
Dow




-----Original Message-----
>From: "Michael B. Trausch" <fd0man at gmail.com>
>Sent: Nov 8, 2006 2:09 PM
>To: Atlanta Linux Enthusiasts <ale at ale.org>
>Subject: [ale] Dual-headed displays and X.org...
>
>I've got a small problem trying to use my laptop in a dual-headed
>configuration.  First off:  It works in Windows.  It (almost) works
>under Linux, but there are a few issues:
>
>* The desktops are separate and do not function as one.  Is there a way
>to make them function as one unified desktop?
>* Any application that makes use of OpenGL (which apparently includes
>OpenOffice.org?) does not run; in fact, when in a dual-headed
>configuration, the X server dies completely and will not restart without
>a reboot of the entire system (subsequent attempts to start it reliably
>segfault, with the exact same error message; the segfault goes away once
>the system has been rebooted, and never appears at all when in a
>single-headed configuration).
>
>Any ideas?  I would like to be able to make use of the 17" external
>monitor that I have available for working while I use the laptop's
>screen for holding documentation and reference and the like.
>
>    Thanks a million!
>    Mike


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