On Tue, Nov 10, 2026 at 10:49 PM Angela Arch Linux <[email protected]> wrote:
> Hi, > > Since you mentioned the same kernel works on Fedora, it's likely a missing > power management daemon or firmware dependency in Debian. > > Try installing "thermald" (Intel) or "amd64-microcode" (AMD). > Also, check if your CPU requires the specific P-State driver: > I have: amd64-microcode/testing,now 3.20260923.1 amd64 [installed] Platform firmware and microcode for AMD CPUs and SoCs and intel-microcode/testing,now 3.20260925.1 amd64 [installed] Processor microcode firmware for Intel CPUs My processor is actually AMD. For PState I have: librte-power-amd-pstate26/testing,now 25.11.4-1 amd64 [installed] Data Plane Development Kit (librte-power-amd-pstate runtime library) sudo apt install thermald intel-microcode > sudo systemctl enable --now thermald > I installed thermald but it is not supported. Nov 11 00:04:54 hp-pavilion.home.arpa systemd[1]: Starting thermald.service - Thermal Daemon Service... Nov 11 00:04:54 hp-pavilion.home.arpa thermald[33197]: Unsupported cpu model or platform After rebooting, check if "Performance" appears in "powerprofilesctl list". > > Another possibility: Fedora might be loading a specific firmware that > Debian > keeps in "non-free-firmware". Check "dmesg | grep -i power" to see if > the CPU is complaining about missing ACPI or thermal tables. > sudo dmesg | grep -i power [ 0.246664] thermal_sys: Registered thermal governor 'power_allocator' [ 0.418642] ACPI: \_SB_.PCI0.GPP2.DEV0.PWRE: New power resource [ 0.419128] ACPI: \_SB_.PCI0.GP17.XHC0.P0U0: New power resource [ 0.419172] ACPI: \_SB_.PCI0.GP17.XHC0.P3U0: New power resource [ 0.419434] ACPI: \_SB_.PCI0.GP17.XHC1.P0U1: New power resource [ 0.419477] ACPI: \_SB_.PCI0.GP17.XHC1.P3U1: New power resource [ 0.419741] ACPI: \_SB_.P0S0: New power resource [ 0.419757] ACPI: \_SB_.P3S0: New power resource [ 0.419802] ACPI: \_SB_.P0S1: New power resource [ 0.419817] ACPI: \_SB_.P3S1: New power resource [ 0.422872] ACPI: \_SB_.PRWL: New power resource [ 0.429670] Low-power S0 idle used by default for system suspend [ 0.448425] pci 0000:04:00.1: D0 power state depends on 0000:04:00.0 [ 0.448434] pci 0000:04:00.3: extending delay after power-on from D3hot to 20 msec [ 0.448579] pci 0000:04:00.4: extending delay after power-on from D3hot to 20 msec [ 0.958457] PM: genpd: Disabling unused power domains [ 1.122915] input: Power Button as /devices/platform/PNP0C0C:00/input/input1 [ 1.124077] ACPI: button: Power Button [PWRB] [ 6.458155] sr 1:0:0:0: Power-on or device reset occurred [ 24.492652] wlo1: Limiting TX power to 23 (23 - 0) dBm as advertised by 18:a5:ff:1c:da:27 The only thing that stood out was: [ 0.958457] PM: genpd: Disabling unused power domains Tim > Hope this helps. > > > ---- 回复的原邮件 ---- > 发件人 Timothy M Butterworth<[email protected]> > <[email protected]> > 日期 2026年11月11日 08:50 > 收件人 derlyne<[email protected]> <[email protected]> > 抄送至 Debian User<[email protected]> > <[email protected]> > 主题 Re: Power Profiles not supported > > > On Tue, Nov 10, 2026 at 7:26 AM derlyne <[email protected]> > wrote: > >> The package to install to manage power profiles is >> `power-profiles-daemon`. It provides the system service and the >> `powerprofilesctl` command; the required dependencies are installed >> automatically. >> >> sudo apt install power-profiles-daemon >> sudo systemctl enable --now power-profiles-daemon >> > > I already have this installed and running. > > To display and change profiles graphically, the interface depends on your >> desktop environment: GNOME and KDE Plasma include this functionality in >> their settings or power-management tools. You generally don’t need to >> install a separate package if those components are already installed. >> > > I have KDE. > > >> >> Check the detected profiles with: >> >> powerprofilesctl list >> >> >> “Power Saver” and “Balanced” are normally available; “Performance” >> depends on hardware support. >> > > Performance shows up if I boot Fedora and I am able to switch the > profiles from the system tray battery widget. Both Fedora and Forky have > the 7.2 Linux kernel so it does not appear to be a kernel support issue. > > >> (... gmail...) >> > > > -- > ⢀⣴⠾⠻⢶⣦⠀ > ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system > ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ > ⠈⠳⣄⠀⠀ > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
