[Bug 14336] M6 LY and problems with resolution on external (2nd) monitor

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Apr 4 08:37:27 PDT 2008


--- Comment #9 from Alex Deucher <agd5f at yahoo.com>  2008-04-04 08:37:26 PST ---
(In reply to comment #5)
> Created an attachment (id=15675)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=15675) [details]
> external monitor

that's clone mode :)

> I retried with the latest package from Tormod
> (http://launchpadlibrarian.net/12175308/xserver-xorg-video-ati_6.8.0-1ubuntu0tormod%7Egutsy_i386.deb)
> and the Virtual-line, but the result is not good.  On login, the external
> monitor looks as in the screenshot above.  The internal monitor is the same,
> only that it shows the 1024x768 area only (anything non-green with the flower).
>  After login, the external monitor completely blanks and I have only the
> internal monitor with 1024x768.

looks like gnome strikes again.  If you used the gnome gui to change the mode,
it will reset that mode every time you log in.  it's not randr 1.2 aware, so it
has no concept of multiple heads.  There's some gconf key you have to remove (I
can't remember where is lives off hand).

xrandr --output VGA-0 --right-of LVDS
will switch to dualhead.  you can set up your xorg.conf if you want dualhead to
be permanently on.

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