ubuntu-x-swat team mailing list archive

[Bryce Harrington <421048@xxxxxxxxxxxxxxxxxx>]

Regarding the bug itself...  This does sound like either a driver
problem or a problem with the hardware itself.  If the latter, then the
issue would show up in windows as well, which no one has mentioned so
maybe we can assume it isn't.

>From the spacing and pattern of the dots it looks like graphics memory
writing failure.  Like, the driver wasn't able to keep up with the data
stream and skipped writing a pixel.  This type of problem often will
just "go away" after updating to a better performing software stack
(either kernel or -nvidia or both).  Thus, in this case having it re-
tested against natty really is necessary as a first step.

If it does occur with the nvidia in natty, then this bug should be moved
from 'nvidia-graphics-drivers-180' to 'nvidia-graphics-drivers' and
tagged 'nvidia'.  If you run "apport-collect 421048" on natty I think
that should do the trick, but am not sure.  From there, Canonical can
flag the issue for NVIDIA to investigate.

** Changed in: nvidia-graphics-drivers-180 (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/421048

Title:
  Black dots appear on screen