It might be fixed in 295.49, however there is no way to test this,
because 295.49 is only available in quantal while I am running lucid. In
fact I cannot install it manually either, because it depends on xserver-
xorg-core (>= 2:1.10.99.901) and the newest version available in lucid
is 2:1.7.6-2ubuntu7.11.

However, my point is, that this bug is a regression, because it did not appear 
in the original 195.36 nvidia driver at was introduced with the security patch. 
I read bug #959842 and the only two regressions listed there are
a) problems with CUDA debugging and
b) problems with some OpenGL applications running slow.

CUDA debugging clearly has nothing to do with gnome-screensaver. and I
am quite sure it is not the known OpenGL problem either, because I
changed the screen saver to "blank screen" and the problem persists.
Thus, I think OpenGL is not involved either.

In conclusion, at the moment with have a version of the nvidia driver in
lucid, which breaks (basic) things that worked before. I think there are
two appropriate ways to address this:

Either the patch can be changed in a way that fixes this bug. This is
the preferred solution. If this cannot be done (like with the CUDA
debugging problem), we should try to make the 295.49 version of the
driver work with the X11 version from lucid.

By the way, if this bug is really not fixed before 295.49, that it is
even present in precise, which would mean that both LTS versions
supported at the moment have a broken version of the nvidia driver.

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https://bugs.launchpad.net/bugs/986371

Title:
  Regression in nvidia-graphics-drivers causes freezes in combination
  with gnome-screensaver

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