On 22 July 2014 20:33, Frédéric Bron <frederic.bron(a)m4x.org> wrote:
The log is attached. What follows may be relevant. It seems to me
that
the profile is correctly applied. I do not see anything removing it.
However, I discovered that without the nvidia proprietary driver,
there is no issue...
Make sure there's no non-free process clearing the gamma ramps. The
non-free driver just isn't very XRANDR 1.3 compliant, and I only test
with the nouveau driver.
Richard.