| Summary: | Screen brightness slider not working on Lenovo T460 | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Peter <petergre> |
| Component: | xorg-x11-server | Assignee: | Adam Jackson <ajax> |
| Status: | CLOSED WONTFIX | QA Contact: | Desktop QE <desktop-qa-list> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 6.8 | ||
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2017-12-06 11:24:16 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
Red Hat Enterprise Linux 6 is in the Production 3 Phase. During the Production 3 Phase, Critical impact Security Advisories (RHSAs) and selected Urgent Priority Bug Fix Advisories (RHBAs) may be released as they become available. The official life cycle policy can be reviewed here: http://redhat.com/rhel/lifecycle This issue does not meet the inclusion criteria for the Production 3 Phase and will be marked as CLOSED/WONTFIX. If this remains a critical requirement, please contact Red Hat Customer Support to request a re-evaluation of the issue, citing a clear business justification. Note that a strong business justification will be required for re-evaluation. Red Hat Customer Support can be contacted via the Red Hat Customer Portal at the following URL: https://access.redhat.com/ |
Description of problem: gnome-power-manager brightness slider does not control screen brightness, on gnome-brightness-applet or power manager. Version-Release number of selected component (if applicable): xorg-x11-server-Xorg-1.17.4-9.5.el6_8.x86_64 gnome-power-manager-2.28.3-7.el6_4.1.x86_64 How reproducible: always Steps to Reproduce: 1. Adjust brightness slider Actual results: Slider moves and xrandr backlight property changes; no other effect seen Expected results: Backlight brightness changes Additional info: Screen brightness can be adjusted successfully by writing to /sys/class/backlight/intel_backlight/brightness [intel_backlight]# xrandr --props | grep -i backlight BACKLIGHT: 6 Backlight: 6 [intel_backlight]# cat actual_brightness 550 ### Move slider - no visible brightness change [intel_backlight]# xrandr --props | grep -i backlight BACKLIGHT: 15 Backlight: 15 [intel_backlight]# cat actual_brightness 550 [intel_backlight]# echo 300 >brightness ### screen brightness changes [intel_backlight]# xrandr --props | grep -i backlight BACKLIGHT: 15 Backlight: 15 [intel_backlight]# cat actual_brightness 300