[F20, KDE] color profile applied 1 s and then disappears

[Frédéric Bron]

Hi, thanks for help,

>> I installed a color profile for my LCD monitor.
>
> Where did it come from?

I measured it with a colorimeter using argyllcms.

> What do you get for?
> colormgr get-devices

...
Object Path:   /org/freedesktop/ColorManager/devices/xrandr_Chi_Mei_Optoelectronics_corp__fred_1000
...
Type:          display
Enabled:       Yes
Embedded:      Yes
Model:         P170HMx
Vendor:        Clevo
Serial:        unknown
Seat:          seat0
Scope:         temp
Colorspace:    rgb
Device ID:     xrandr-Chi Mei Optoelectronics corp.
Profile 1:     icc-9eb6fda60c1c8fcffd3111c8931dd354
               /var/lib/colord/icc/P170HMx-nvidia-brightness4.2014-01-12_22-58-25.precise_matrix.icc
Profile 2:     icc-3e9bad7a0d3e98539aff767539cc891d
               /home/fred/.local/share/icc/edid-67b7d71da13bf89f5583ec6c33a36b1b.icc
Metadata:      OutputPriority=primary
Metadata:      XRANDR_name=LVDS-0
Metadata:      OwnerCmdline=kded4
Metadata:      OutputEdidMd5=67b7d71da13bf89f5583ec6c33a36b1b

>> When I start KDE, the
>> correct profile is applied but 1second later, it is disabled. I see
>> that because the background picture changes dramatically. Why?
>
> Can you see anything in the journal at the time of starting KDE and subsequent disabling?

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... I filed a bug at nvidia but I doubt anybody will
answer...
https://devtalk.nvidia.com/default/topic/762690/linux/after-a-few-seconds-the-display-color-profile-is-back-to-default-fedora-20-kde4-/

colord[842]: Profile added: icc-47e361dbcd0364df8d8878267f9d3810
                                            colord[842]: Profile
added: icc-3e9bad7a0d3e98539aff767539cc891d
                       colord[842]: Automatic database add
icc-3e9bad7a0d3e98539aff767539cc891d to xrandr-Chi Mei Optoelectronics
corp.
colord[842]: Automatic database add
icc-9eb6fda60c1c8fcffd3111c8931dd354 to xrandr-Chi Mei Optoelectronics
corp.
colord[842]: Automatic metadata add
icc-3e9bad7a0d3e98539aff767539cc891d to xrandr-Chi Mei Optoelectronics
corp.
colord[842]: Device added: xrandr-Chi Mei Optoelectronics corp.

Frédéric