[Bug 353126] Re: Compiz / vnc screen refresh with nvidia-restricted driver/VirtualBox/ATI fglrx driver using X.org

[Greg Michalec]

Unfortunately, I'm still seeing this issue in Oneric Beta 1.
Steps to reproduce:
1) log in to guest session
2) Enable Desktop Sharing
3) Open Remote Desktop Viewer
4) Open VNC connection to localhost:5900

You'll see the initial screen, and the mouse will move around, but no
screen updates are made. If you repeat the steps abovem , but starting
the guest session in 'Ubuntu 2D' mode, it will work as expected.

Obviously there is something incompatible between the VNC server and
desktop compositing, but since Vino, Vinaigre, and Compiz are now all
part of the default Ubuntu experience, it seems that the current
situation will cause nothing but frustration for new users. Even if
there is no programmatic solution, can't there be some sort of
indication of why this won't work, or a best way to work around - i.e.
maybe a notification in the Desktop Sharing preferences tool warning
that sharing will not work unless you restart to a 2d session (if this
is indeed the best/easiest solution).

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https://bugs.launchpad.net/bugs/353126

Title:
  Compiz / vnc screen refresh with nvidia-restricted
  driver/VirtualBox/ATI fglrx driver using X.org

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