Comment 313 for bug 353126

Revision history for this message
KruyKaze (kruykaze) wrote : Re: [Bug 353126] Re: Compiz / vnc screen refresh with nvidia-restricted driver/VirtualBox/ATI fglrx driver using X.org

I think it's more like 2 years the problem is that it was working before and
then it broke.What I don't understand is that I know it's not uncommon to
use compiz and vnc at the same time.

On Thu, Oct 21, 2010 at 9:46 PM, Josh <email address hidden> wrote:

> I don't understand how the most user friendly Linux distribution in the
> world can have such a fundamental problem for *four years*.
>
> --
> Compiz / vnc screen refresh with nvidia-restricted driver/VirtualBox/ATI
> fglrx driver using X.org
> https://bugs.launchpad.net/bugs/353126
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in AMD fglrx video driver: Confirmed
> Status in Lucid Backports: Invalid
> Status in NVIDIA Drivers Ubuntu: Fix Released
> Status in GNOME Remote Desktop: Fix Released
> Status in X.Org X server: Fix Released
> Status in “vino” package in Ubuntu: Fix Released
> Status in “xorg-server” package in Ubuntu: Fix Released
> Status in “vino” package in Fedora: Unknown
>
> Bug description:
> Binary package hint: compiz
>
> When using the nvidia-restricted or some ATI drivers and compiz desktop
> effects the vnc server will not refresh the screen. This is being caused by
> the xserver not getting "damaged" by the nvidia-restricted drivers (see
> https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/353126/comments/245for details). Linked bugs confirm this is not an issue on intel chipsets or
> nv driver.
>
> Steps to reproduce:
> Enable desktop-effects (default) with nvidia-restricted, virtualBox's
> display or some ATI driver like RV610
> Enable remote desktop
> Connect with VNC
>
> Results:
> You see a screen snapshot of your desktop but if you click a menu item
> there are no updates to the screen.
> Notes:
> If you close and restart the vnc session, you get an updated snapshot but
> still no refreshes.
>
> Workarounds:
> Use the -noxdamage argument with vncviewer. This is really inefficient and
> bandwidth hungry since the whole screen refreshes.
> Kill compiz and use a different wm (metacity).
>
> [Tested with nvidia] Run compiz with the --use-root-window option, eg:
> compiz --replace --use-root-window &
>
> This bug has been confirmed by many others with linked reports. Might be an
> issue with xorg since there is a report of ATI drivers with similar issues
> in https://bugs.launchpad.net/bugs/328559 .
>
>
>
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>