twinview problem

jouke hijlkema jouke.hylkema at
Tue Apr 29 16:04:49 CEST 2008

Thanks for your quick response. I'll have a look at randr. The USB thing 
is that if I don't use gdm, something seems missing in the HAL policies. 
I can not mount my USB key. If I run startxfce4 as root the problem is 
gone ... but I don't want that


Yves-Alexis Perez wrote:
> On Tue, Apr 29, 2008 at 01:17:11PM +0000, jouke hijlkema wrote:
>> Hello all,
>> This is probably not an XFCE issue but it's driving me insane and I was
>> hoping you could shed some light.
>> I have an NVIDIA Quadro FX 540 with 2 monitors attached, one on the dvi
>> and one on the analogue  port.
>> If I launch xfce using the xfcestart4 script, all goes well (this is
>> what I've been using for the last couple of months). However, I upgraded
>> to xubuntu 8.04 and for lots of reasons, mainly access rights on my USB
>> key, I have to use gdm. The strange thing is that now TwinView no longer
>> works (new windows open in between screens).
>> If I launch the nvidia-settings tool, it gives a warning telling me that
>> I'm not running an NVIDIA driver unless I specifically give the display ID.
> I'd say it has nothing to do with gdm (and I dont understand your issue with
> gdm and the usb keys anyway). This looks like a randr 1.2 issue, or something
> like that.

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