The new driver really seems to have a major problem. I figured out that
you just need an image with 2047px width to screw up the driver.
ATTENTION: This can crash your X server and corrupt memory!
Example: [1], an otherwise harmless picture. Every picture with the same
width will work, too. I could trigger the bug at least with Firefox,
Midori, Epiphany and EOG. It looks like some applications like Chromium
alter the size, so they don't trigger it.
[1] http://www.abload.de/img/nvbugy7cd.jpg
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Regards,
Richard Schütz