Re: GNOME 3 & nVidia

[Rui Tiago Cação Matos <tiagomatos gmail com>]

On 25 May 2011 11:13, Adam Tauno Williams <awilliam whitemice org> wrote:
> There is the statement "Nvidia binary drivers (slow if you have an old
> driver)": What is "old"?

I think, but I'm not sure, that anything > 270.41 is "good" enough.

> I have an odd issue with multi-head.  If I connect a second monitor to
> my laptop and run nvidia-settings I can enable the external display as
> "TwinView" and it comes up available as a second display under GNOME3
> [1].  The primary display - the one with the GNOME3 panel - scrolls as
> workspaces while the second display behaves as a workspace unto itself
> (it doesn't scroll with the other display).  This works really well, it
> is fast and smooth.  BUT if I lock the display it goes to being actual
> Twin-View where the external display is a mirror of the 'internal'
> display.  If in nvidia-settings I disable the external display and go
> back to TwinView I get the two separate displays behaviour.  Odd, I
> think.

This is unexpected and doesn't happen with nouveau.

> If I set the display as Separate-X-server [the other option from
> Disabled and TwinView] and restart X... I end up in unaccelerated
> fall-back mode.

Multiple X screens is broken in mutter.
https://bugzilla.gnome.org/show_bug.cgi?id=648156 .

Rui