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SOLVED xcalib error: Unsupported Ramp Size

Posted: Thu Sep 12, 2019 9:52 am
by sadhu
I had a script in LM 18.3 that worked fine, but doesn't work in LM 19.2

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xcalib -d :0 -s 0 -v /usr/share/color/icc/colord/Gamma5500K.icc
xcalib -co 90 -a
Both of these command come back with: Error - unsupported ramp size 0

What do I have to do to prevent this error?

-Thanks,
Sadhu

Re: xcalib error: Unsupported Ramp Size

Posted: Mon Sep 16, 2019 2:21 pm
by sadhu
Found the answer elsewhere, so I thought I'd put it here for Mint 19 users.

Create a file /etc/X11/xorg.conf.d/20-intel.conf, and paste in this text

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Section "Device"
  Identifier "Intel Graphics"
  Driver "intel"
EndSection
in a terminal enter sudo xed /usr/share/doc/xserver-xorg-video-intel/xorg.conf and make sure the file contains Driver "intel" under the Section "Device". The Identifier may be called differently.

Now reboot or restart X sudo systemctl restart display-manager.

Re: SOLVED xcalib error: Unsupported Ramp Size

Posted: Tue Mar 31, 2020 5:57 am
by RodGA
This is great solution! Thank you, it worked well!

NOTE though: the file to create must have a .CONF not .con at the end.

That is, the file should be /etc/X11/xorg.conf.d/20-intel.conf

(Don't forget the 'f' at the end)

Re: SOLVED xcalib error: Unsupported Ramp Size

Posted: Tue Mar 31, 2020 7:10 am
by sadhu
RodGA wrote:
Tue Mar 31, 2020 5:57 am
NOTE though: the file to create must have a .CONF not .con at the end.
Thanks :)

I'm not so good at proofreading. Now it's fixed.

-Sadhu