Bug 1413444 - display bit information wrong or missing in xorg-x11-server-Xorg-1.19.1
Summary: display bit information wrong or missing in xorg-x11-server-Xorg-1.19.1
Keywords:
Status: CLOSED WORKSFORME
Alias: None
Product: Fedora
Classification: Fedora
Component: xorg-x11-server
Version: 25
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: X/OpenGL Maintenance List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-01-16 02:32 UTC by Aaron Lu
Modified: 2019-09-03 13:28 UTC (History)
3 users (show)

Fixed In Version:
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Last Closed: 2017-01-19 01:36:12 UTC

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Description Aaron Lu 2017-01-16 02:32:22 UTC 
Description of problem:
I use xflux and after a recent update of xorg-x11-server-Xorg, when launching xflux, it will complain:
"Sorry, we only support 8 and 10-bit displays right now."
and quit.

Version-Release number of selected component (if applicable):
xorg-x11-server-Xorg-1.19.1-1.fc25.x86_64

How reproducible:
Always

Steps to Reproduce:
1. start gnome on xorg
2. launch xflux
3.

Actual results:
xflux can not run:
Found 1 screen.
Sorry, we only support 8 and 10-bit displays right now.

Expected results:
xflux runs without problems

Additional info:
Downgrade to xorg-x11-server-Xorg-1.19.0-0.3.20161026.fc25.x86_64 fixed the problem.
I know nothing about X, but it *feels* like the new xorg server omitted/changed an API for application to query the display bit information.
Comment 1 Aaron Lu 2017-01-17 01:53:42 UTC 
The said xflux is available here:
https://justgetflux.com/linux.html
It's something similar to iOS' night shift that is used to control blue light.
Comment 2 Aaron Lu 2017-01-19 01:36:12 UTC 
I just realized there is redshift in Fedora's repo which does the same thing and is still working.
Comment 3 stupidblogger 2019-09-03 13:28:10 UTC 
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