Bug#661253: nvidia-glx: NVIDIA 295.20 causes random and unexpected X termination and hence logout

[tv.debian at googlemail.com]

Hi there, seeing this too on Wheezy/SID amd64, sometimes it's just a
logout, sometimes it's total X freeze ending up progressively in total
machine freeze if let running (no input device working, no ssh access).
It happens with stock Debian kernel (Sid) or locally compiled vanilla
(3.2.8). Downgrading to 290.10 solves the issue on both Sid and Wheezy.
kernel and system logs doesn't show anything meaningful, Xorg.0.log
doesn't contain errors that stand out, and xsession-errors is mute too.
:-( .

I run KDE desktop with compositing, lockup happens randomly, when
session is active or on the screensaver.