Bug#652957: xserver-xorg-video-nouveau: bad dimensions for background image with nouveau driver

[Sven Joachim <svenjoac@gmx.de>]

On 2011-12-23 19:34 +0100, mickael wrote:

> Le 22/12/2011 16:06, Sven Joachim a écrit :
>> On 2011-12-22 10:02 +0100, MG wrote:
>>
>>> With nouveau driver on a nvidia geforce4 mX4000, the backround image
>>> of my desktop is not correctly scaled (screen capture joined).
>> Please show the output of xrandr.
> Screen 0: minimum 320 x 200, current 1440 x 900, maximum 4096 x 4096
> VGA-1 connected 1440x900+0+0 (normal left inverted right x axis y
> axis) 408mm x 255mm
>    1440x900       59.9*+   75.0
>    1280x1024      75.0     60.0
>    1280x960       75.0
>    1152x864       75.0     60.0
>    1024x768       75.1     70.1     66.0     60.0
>    832x624        74.6
>    800x600        72.2     75.0     60.3     56.2
>    640x480        72.8     75.0     66.7     60.0
>    720x400        70.1
> TV-1 connected 1024x768+0+0 (normal left inverted right x axis y axis)
> 0mm x 0mm
>    720x576        50.0 +
>    1024x768       50.0*
>    800x600        50.0
>    720x480        50.0
>    640x480        50.0
>    400x300       100.0
>    320x240       100.0
>    320x200       100.0
>
>> Your logs show that a TV output is detected:
>>
>>> [    29.876] (II) NOUVEAU(0): Output VGA-1 connected
>>> [    29.876] (II) NOUVEAU(0): Output TV-1 connected
>>> [    29.876] (II) NOUVEAU(0): Using user preference for initial modes
>>> [    29.876] (II) NOUVEAU(0): Output VGA-1 using initial mode 1440x900
>>> [    29.876] (II) NOUVEAU(0): Output TV-1 using initial mode 1024x768
>>> [...]
>>> [    8.553872] [drm] nouveau 0000:01:00.0: Output VGA-1 is running on CRTC 0 using output A
>>> [    8.580566] [drm] nouveau 0000:01:00.0: Setting dpms mode 0 on TV encoder (output 1)
>>> [    8.580573] [drm] nouveau 0000:01:00.0: Output TV-1 is running on CRTC 1 using output B
>> Do you actually have a TV output connected?
> No.

You can disable the non-existent TV output by booting with the
"video=TV-1:d" kernel parameter.  For more information, consult the
Gentoo Wiki at [1].

> Something I just discovered is that I have the problem with gnome and
> xfce, but not with LXDE.

And the above xrandr output is under which of these environments?

Cheers,
       Sven


1. http://en.gentoo-wiki.com/wiki/Nouveau#Phantom_and_unpopulated_output_connector_issues