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I am running Gnome Shell on Ubuntu 11.10 (32 bits). When I run some apps in fullscreen, system restarts X and I go back to the display manager screen (LightDM). It happens for example with MAME games and with many other games. It happens, more or less, at the 95% of the times. In some cases, I do not know why, It does not happen.

I have an Intel video card. I have tested this on two laptops; one of these uses an onboard Intel video card, and the other one uses the GPU included into the processor (Intel Sandy Bridge). On the same system, this does not happen on Unity, Gnome Classic or KDE.

Is there a fix to this problem?

Thanks

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closed as off topic by Jorge Castro, fossfreedom Mar 27 '12 at 12:36

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

    
Welcome to Ask Ubuntu! This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro Mar 27 '12 at 12:17