Question

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rated 0 times [ 4] [ 0] / answers: 1 / hits: 2165 / 2 Years ago, thu, may 26, 2022, 2:14:11

I use the inverted colors mode a lot, however after installing ubuntu 12.10 it doesn't work for me any more. The command:

xcalib -i -a

Outputs:

Error - unsupported ramp size 0

I have no clue where to start looking to fix this problem. Couldn't find anything about this error. Any ideas?

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3 Years ago

answered 2 Years ago berlorful · Accepted Answer

The gamma ramp is not defined (0), but xcalib expects multiples of 16. Installing gcm solved the issue for me:

sudo apt-get install gnome-color-manager