[Bug 64023] The system crashes after I login, switch users, login, and switch back

[JDnewbie]

Public bug reported:

Steps To reproduce crash:
Step 1: Login User: max
Step 2: switch users and log in as student user
Step 3: switch users and log in as max
Step 4 :Popup appears telling you that your already logged in, and whether you want to return to the previous session. click "return to previous"

Step 5: the dispay flickers which involves the cursor vibrating, and switching back and forth between tty5 
Step 6 gui popup: "the greeter application appears to be crashing. Attempting to us a diffrent one" hit enter
Step 3 repeat steps 1&2 four times
4 Linux blue screen of Death: "The display server has been shut down about six times in the last 90 seconds. It is likely that something bad is going on. Wait for 2 minutes before trying agian on display :0"

I am using Edubuntu on a Dell Dimension 2350. No idea about graphics
cards.

See the following forum post for more information:
http://www.ubuntuforums.org/showthread.php?t=270546

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

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The system crashes after I login, switch users, login, and switch back
https://launchpad.net/bugs/64023