Ver similar/identical issue with my Acer Desktop System running Ubuntu 14.04
AMD64 dual screen with Nvidia driver ver 331.113.
Upgraded the kernel to 3.13.0-45 today (6 Feb 2015) and GUI (Gnome Desktop)
freezes after logon. Also 2nd screen appears to be be dead.
No such problems on prior kernel r
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-331 (Ubuntu)
Status: New => Confirmed
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