xorg-server from git master: ctrl+alt+backspace doesn't work anymore

[Shunichi Fuji]

>        Option "DontZap"  "boolean"
>               This disallows the use of the Ctrl+Alt+Backspace sequence.  That
>               sequence is normally used to terminate the Xorg server.  When
>               this option is enabled (as per default), that key sequence has
>               no special meaning.  Default: on.

you should setup your xorg.conf in the above parameter to use zap.
commit 8c560422b44e012053612754430d2b87dc44ed59 changed the default behavior.

On Sat, 27 Dec 2008 00:27:21 +0200
Vasily Khoruzhick <anarsoul at gmail.com> wrote:

> Hi,
> 
> I recently upgraded to latest X11 stack from gentoo x11 overlay (just want to 
> test gem+dri2 :)), and it seems that ctrl+alt+backspace doesn't kill X 
> anymore. Is it bug or planned behavior?
> 
> Regards
> Vasily
>