Ubuntu
xserver-xorg-video-intel package

  1. Bug #348428
  2. Comment #17

Comment 17 for bug 348428

Revision history for this message
Tormod Volden (tormodvolden) wrote : Re: Swithing to another user and then to anything else, freezes laptop. Jaunty

No, my own problem was not related, sorry (local configuration conflict).

What you also can try is to switch to a virtual console, log in and start an X session manually:
 startx -- :19
Does this cause the same crash? (Log would be Xorg.19.log)