On Wed, Nov 11, 2026 at 12:24 AM Angela Arch Linux <[email protected]> wrote:
> To add the parameter, just run this command in your terminal (no need to > use Vim): > > sudo sed -i > 's/GRUB_CMDLINE_LINUX_DEFAULT="/GRUB_CMDLINE_LINUX_DEFAULT="amd_pstate=active > /' /etc/default/grub > sudo update-grub > sudo reboot > I modified the GRUB command line as shown: GRUB_CMDLINE_LINUX_DEFAULT="amd_pstate=active quiet splash I updated GRUB and I still load acpi-cpufreq `cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver` bash: acpi-cpufreq: command not found > > ---- 回复的原邮件 ---- > 发件人 Timothy M Butterworth<[email protected]> > <[email protected]> > 日期 2026年11月11日 13:15 > 收件人 Angela Arch Linux<[email protected]> <[email protected]> > 抄送至 heck-schneider<[email protected]> > <[email protected]>、debian-user<[email protected]> > <[email protected]> > 主题 Re: Re: Power Profiles not supported > > > 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/ > ⠈⠳⣄⠀⠀ > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
