Markus, if you log in at the console (ctrl-alt-F1) and examine .xsession-errors with something like less, do you see any hint of the window manager crashing? Clutter or mutter or unity error messages might be relevant.
Mark
Markus, if you log in at the console (ctrl-alt-F1) and examine
.xsession-errors with something like less, do you see any hint of the
window manager crashing? Clutter or mutter or unity error messages might
be relevant.
Mark