https://bugs.kde.org/show_bug.cgi?id=507610
Bug ID: 507610
Summary: REGRESSION: Brightness control sometimes randomly
doesn't actually update brightness - and when it does,
has huge delay
Classification: Plasma
Product: plasmashell
Version First 6.3.6
Reported In:
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Brightness and Color widget
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
SUMMARY
STEPS TO REPRODUCE
1. Click on the screen brightness tray icon
2. adjust the brightness with the slider
3.
EXPECTED RESULT
The brightness should change immediately in real time according to the position
of the slider, every time you move it
OBSERVED RESULT
Every time you move the slider, regardless of whether it's by dragging it
quickly or slowly from a value to another, or by clicking on a precise value,
one of two things happens, COMPLETELY RANDOMLY:
A) the actual screen brightness changes to the new value after a couple of
seconds
B) the actual screen brightness never changes, it remains at the previous value
(or if you dragged the slider slowly, possibly at some random value among the
ones that you passed through while moving the slider)
This renders the brightness control utterly unusable:
1) If you know perfectly the exact value of brightness that you want (and you
are able to click at the exact precise position in the slider), this is "only"
extremely annoying: you click on the value of brightness you want; it randomly
works or not; if it doesn't, you click on some other value and then back on the
value you want, and after a couple of retries if you're lucky, a few if you are
not, you'll get it to work
2) If you are a normal person and want to just drag the slider slowly until you
reach the brightness that you like (while obviously seeing the brightness
change accordingly in real time), then you simply can't, and the brightness
control is just unusable.
This is an absolutely disastrous regression.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.16.0
Qt Version: 6.9.1
Kernel Version: 6.6.99-1-MANJARO (64-bit)
Graphics Platform: Wayland
Processors: 12 × 12th Gen Intel® Core™ i7-1255U
Memory: 15.3 GiB of RAM
Graphics Processor: Intel® Iris® Xe Graphics
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: Vivobook_ASUSLaptop X1502ZA_F1502ZA
System Version: 1.0
ADDITIONAL INFORMATION
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