| Summary: | Brightness 100% after screen locking | ||
|---|---|---|---|
| Product: | [Plasma] Powerdevil | Reporter: | Yves Glodt <yg> |
| Component: | general | Assignee: | Plasma Bugs List <plasma-bugs> |
| Status: | RESOLVED WORKSFORME | ||
| Severity: | normal | CC: | bhush94, kde, mgraesslin, nate |
| Priority: | NOR | ||
| Version: | 5.12.3 | ||
| Target Milestone: | --- | ||
| Platform: | Other | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
| Attachments: |
System settings
Energy saving settings |
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Note that the too-high brightness issue happens only after unlocking. While locked the screen is black. Can't reproduce with any lock method (timeout, keyboard shortcut, button in Kickoff, etc,), a single screen in 5.12.3 and Kubuntu 17.10. with all brightness checkboxes in Powerdevil checked. Does this issue reproduce when you don't have your external screen connected? Created attachment 111377 [details]
Energy saving settings
Yes I can. I just tried the following: * Disabled my external screen in the Display configuration * Brightness set (through the battery applet) to minimum * Set the times to 1 minute (see attached screenshot) Then I waited one minute, and the laptop screen turned black. When I moved the mouse, it turned back on, on 100% brightness. The brightness slider on the battery though still stays on minimum. I just move it right a bit, and then only it applies the acutal value of the slider. Is minimum screen brightness on AC power a setting that actually makes sense, or is that just to test the bug? Does it reproduce with something other than minimum brightness? Any brightness higher than the minimum value is too bright for me, that's why I set it to minimum. I just tried setting the slider one step higher than the minimum and so far the unwanted change to full brightness did not happen. p.s. I have two laptops. On one (running Fedora 27), the minimum value (slider full to the left) for brightness results in "medium bright", and on the other one (Fedora 28), it results in a black laptop screen. The external screen is not influenced by the slider in the plasma planel. Thanks for the update; changing status. Note that I have a new laptop now which I installed Fedora 28 on, and the issue seems to be gone. Whether it's the new hardware or the new distro which solved it, I don't know... Maybe it's time to close th report. Ok, I don't think we can procede without a user with the bug. Hopefully if it is a KDE issue it will be followed up elsewhere. |
Created attachment 111304 [details] System settings I have a dual-screen setup. A laptop plus an external Dell 24" 1920*1200 hdmi screen. I use Fedora 27 with the latest Plasma (5.12.3) and Frameworks (5.44). When the screen locks due to the timeout of 5 minutes, the brightness comes back to 100%, even it was set to a much lower value before. To correct the brightness after a lock, I usually hover the battery icon, and mouse-wheel-down until I get my usual brightness value. This issue has been happening for a long time already.