Bug#730224: The problem is with the nvidia software in debian.

[Ray Dillinger]

As expected the problem is something about the interaction with the
debian nvidia software, gdm, and my laptop.  I have found a workaround.

I did

# apt-get remove *nvidia*


And the configuration went back to the nouveau drivers, and the problem
went away.

The laptop isn't a gaming machine so I don't mind lack of graphics
acceleration. But losing CUDA parallel processing is a real problem
for me.

Anyway, I've got something that works. Next up, I'll switch to cinnamon
and see if I'm allowed to get CUDA working with that.

				Bear




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