[Bug 48974] "white" gdm freeze on logout

[Stemp]

Public bug reported:

Binary package hint: gdm

On startup gdm just work fine, but after login (and working) if I try to logout then gdm appear white and freeze the system (can't do ctrl+alt+1).
I've use the usual gdm theme and other customs.
Ubuntu Dapper i386.

** Affects: gdm (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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"white" gdm freeze on logout
https://launchpad.net/bugs/48974