On Mon, Jan 06, 2014 at 07:38:00PM -0200, Felipe de Andrade Neves Lavratti wrote: > I am running the Gnome Trusty Thar and the Gnome interface frequently > freezes. I can access the other tty consoles through the keyboard shortcut > but I couldn't find the process that freezes. Tried to kill gnome-shell but > the tty7 doesn't unfreeze. > > How can I diagnose it?
The part about tty7 not unfreezing when you kill gnome-shell makes me
suspect the video driver. A GPU hang, perhaps? Unfortunately I've
little clue how to diagnose those.
Do you see anything interesting in dmesg? In /var/log/Xorg.0.log?
Does gnome-shell actually die when you kill it? It's possible
gnome-session -- or upstart nowadays -- restarts a new instance of
gnome-shell when it sees the old one died, so check if the PID changes
or if the process goes away entirely.
Marius Gedminas
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