[Bug 92780] [feisty] ctrl+alt+backspace fails

[wax]

Public bug reported:

When i am working in gnome and try a ctrl+alt+backspace, the xserver fails to restart.
it freezes on running local boot scripts (etc/rc.local).
When i try the same from the safe mode, i get xinit: connection to xserver lost
I can not find any information in my logs(not sure where too look).
When i do ctrl+alt+backspace from the login screen, there is no problem and xserver just restarts.

** Affects: gdm (upstream)
     Importance: Unknown
         Status: Unknown
** Affects: gdm (Ubuntu)
     Importance: Undecided
     Assignee: Cesare Tirabassi
         Status: Confirmed

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[feisty] ctrl+alt+backspace fails
https://launchpad.net/bugs/92780