Public bug reported:
This is a MAJOR MAJOR usability bug that has existed in Linux for as
long as I remember, however Ubuntu has some settings that make it worse.
If a full-screen game freezes but remains running, there is absolutely
no way to kill it and return to your desktop. The only way out is a hard
reset!
This problem is caused by the fact that unlike windows, X11 doesn't
treat alt-tab, (or ctrl-alt-del) as special keys, so if the game freezes
you cannot alt-tab away from it. Even worse, ubuntu has disabled ctrl-
alt-backspace so you can't simply kill X and start again. Finally, for
me ctrl-alt-F1 et al do not work due to an unrelated bug with (I
believe) plymouth.
The fix is clear: change X11 so that it treats alt-tab like it treats
ctrl-alt-f1 (or alternatively create a proper ctrl-alt-delete thingy).
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/905009
Title:
If a full-screen game crashes there is no way to recover.
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