https://bugs.kde.org/show_bug.cgi?id=521832
Bug ID: 521832
Summary: Battery charge limit resets to default on every reboot
/ new session in Plasma
Classification: I don't know
Product: kde
Version First unspecified
Reported In:
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
In KDE Plasma on Debian, setting the battery charge limit (e.g., to 85%) works
during the current session, but the setting is lost upon reboot. On every new
session, the charge limit reverts to the default (100%).
Interestingly, other settings in the very same configuration section (such as
low and critical battery level notifications) are preserved and remembered
correctly after a reboot. It seems only the charge threshold configuration
fails to persist or be reapplied at startup.
STEPS TO REPRODUCE
1. Open System Settings -> Power Management.
2. Set the battery charge limit to 85%.
3. Reboot the computer.
4. Check the battery charge limit again.
OBSERVED RESULT
The charge limit is reset back to default (100%).
EXPECTED RESULT
The battery charge limit should persist across reboots and remain at 85%.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian GNU/Linux
KDE Plasma Version: [Tutaj wpisz wersję Plasma, np. 5.27 lub 6.1 - sprawdzisz
to w "Ustawienia systemowe" -> "O systemie"]
KDE Frameworks Version: [Opcjonalnie - z sekcji "O systemie"]
Qt Version: [Opcjonalnie - z sekcji "O systemie"]
ADDITIONAL INFORMATION
The battery is detected as BAT0. Manually echoing the value to
/sys/class/power_supply/BAT0/charge_control_end_threshold via root on startup
works as a workaround, suggesting it might be an issue with Powerdevil lacking
or failing to request permissions to re-apply the threshold during login/boot.
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