Bug 498064

Summary:	screen brightness goes by itself up to 100% and then screen goes black
Product:	[Plasma] plasmashell	Reporter:	Eugene Savitsky <eugene.savitsky>
Component:	Brightness and Color widget	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED WORKSFORME
Severity:	normal	CC:	jpetso, natalie_clarius, nate
Priority:	NOR
Version First Reported In:	6.2.4
Target Milestone:	1.0
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Eugene Savitsky 2024-12-30 20:10:08 UTC

Never saw it happens before.

Notebook running on battery. Screen by itself started to get from 10% up to 100% brightness and then turns black (out of brightness range?) As I could see the widget itself shows 10% brightness. 

Closing lid/restart from sleep did not fixed it. Happened even on SDDM screen, as seen on video. On the video you cannot see the brightness is going up, but believe me it is.
Pressing Esc a few times started all from the beginning.

After reboot all is fine again.

openSUSE Tumblweed. If there are some logs I could provide them.

Comment 1 Eugene Savitsky 2024-12-30 20:13:32 UTC

Bugzilla does not let attach it, but here is the video in the cloud: https://disk.yandex.com/i/Gp1B3Y53tCRzbg

Comment 2 Eugene Savitsky 2025-01-01 16:24:40 UTC

It just happened again to me. 

And the trigger is: reaching 29% on battery power. First time battery was on 29% as well.

Comment 3 Eugene Savitsky 2025-01-07 09:25:58 UTC

Update.
6.2.5 - same issue.

But when I have full screen Youtube video running the problem does not appear.

BTW My hardware:
Operating System: openSUSE Tumbleweed 20250105
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.12.8-1-default (64-bit)
Graphics Platform: Wayland

Processors: 16 × AMD Ryzen 7 5825U with Radeon Graphics
Memory: 14,5 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: LENOVO
Product Name: 82RQ
System Version: IdeaPad 3 17ABA7

Comment 4 Eugene Savitsky 2025-01-12 23:23:37 UTC

Seems to be fixed in 6.3.80 (openSUSE Krypton). Tried two times and all is OK.

Comment 5 Jakob Petsovits 2025-01-13 22:56:03 UTC

Thanks for reporting and testing on different versions. Plasma 6.3 (beta 1) does have a few extra changes on top of 6.2.5, so it's possible that things are fixed there that didn't work before. I'm unsure what would have caused this, though. Closing as resolved/worksforme unless you decide to reopen it with more info - there won't be any more releases in the 6.2.x series, so 6.3 is all we can try to tackle anyway.

If you encounter this again, please follow the instructions in the powerdevil README to get verbose log output: https://invent.kde.org/plasma/powerdevil/-/blob/master/README.md