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Edit: Everything works on Ubuntu, but on Arch, it does not update, either via restarting the daemon, acpi -V or using inxi. Also the AC Power adapter doesn't do anything (at least in arch) so no status update etc.


Hello I Installed Arch on my new laptop, however, the battery percentage/percentage update seems to be broken, I have never seen this before and could really find anything useful which might help.

I installed ACPI and tried to downgrade upower, also disabled session restore in KDE settings as well as fast boot inside UEFI.

I booted from USB into ubuntu and the battery works there, I used lspci -nnk to view the modules/components and what drivers they use, there are only two things that don't match arch's lspci -nnk output.

The driver (and kernel module used) for the Signal Processing Controller is intel-pmt on Ubuntu and intel_vsec on arch. The driver for the Serial Bus Controller doesn't seem to have any modules or drivers present under Ubuntu, but on Arch it uses intel-spi as the driver and spi_intel_pci as the kernel module.

The Laptop in question is a Fujitsu Lifebook A3511 (i3-11th gen)

Ubuntu Upower version: 0.99.17 | Original Arch Upower version: 0.99.20

Downgraded Arch's version to 0.99.19, .18, .17 and .10 (nothing worked).

Extra Info

Vanilla Arch (5.19.6-arch1-1), Encrypted NVME drive (Luks), Grub bootloader, pretty much everything else works, just that stupid battery not updating smh.


Full lspci -nnk output (Ubuntu)

00:00.0 Host bridge [0600]: Intel Corporation Device [8086:9a04] (rev 01)
    Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:9a78] (rev 01)
    Subsystem: Fujitsu Client Computing Limited Device [1e26:004f]
    Kernel driver in use: i915
    Kernel modules: i915
00:04.0 Signal processing controller [1180]: Intel Corporation TigerLake-LP Dynamic Tuning Processor Participant [8086:9a03] (rev 01)
    Subsystem: Fujitsu Client Computing Limited TigerLake-LP Dynamic Tuning Processor Participant [1e26:0057]
    Kernel driver in use: proc_thermal
    Kernel modules: processor_thermal_device_pci_legacy
00:08.0 System peripheral [0880]: Intel Corporation GNA Scoring Accelerator module [8086:9a11] (rev 01)
    Subsystem: Fujitsu Client Computing Limited GNA Scoring Accelerator module [1e26:0057]
00:0a.0 Signal processing controller [1180]: Intel Corporation Tigerlake Telemetry Aggregator Driver [8086:9a0d] (rev 01)
    Subsystem: Fujitsu Client Computing Limited Tigerlake Telemetry Aggregator Driver [1e26:0057]
    Kernel driver in use: intel-pmt
    Kernel modules: intel_pmt
00:0d.0 USB controller [0c03]: Intel Corporation Tiger Lake-LP Thunderbolt 4 USB Controller [8086:9a13] (rev 01)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP Thunderbolt 4 USB Controller [1e26:0057]
    Kernel driver in use: xhci_hcd
    Kernel modules: xhci_pci
00:14.0 USB controller [0c03]: Intel Corporation Tiger Lake-LP USB 3.2 Gen 2x1 xHCI Host Controller [8086:a0ed] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP USB 3.2 Gen 2x1 xHCI Host Controller [1e26:0057]
    Kernel driver in use: xhci_hcd
    Kernel modules: xhci_pci
00:14.2 RAM memory [0500]: Intel Corporation Tiger Lake-LP Shared SRAM [8086:a0ef] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP Shared SRAM [1e26:0057]
00:14.3 Network controller [0280]: Intel Corporation Wi-Fi 6 AX201 [8086:a0f0] (rev 20)
    Subsystem: Intel Corporation Wi-Fi 6 AX201 [8086:0074]
    Kernel driver in use: iwlwifi
    Kernel modules: iwlwifi
00:15.0 Serial bus controller [0c80]: Intel Corporation Tiger Lake-LP Serial IO I2C Controller #0 [8086:a0e8] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP Serial IO I2C Controller [1e26:0057]
    Kernel driver in use: intel-lpss
    Kernel modules: intel_lpss_pci
00:16.0 Communication controller [0780]: Intel Corporation Tiger Lake-LP Management Engine Interface [8086:a0e0] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP Management Engine Interface [1e26:0057]
    Kernel driver in use: mei_me
    Kernel modules: mei_me
00:17.0 SATA controller [0106]: Intel Corporation Device [8086:a0d3] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
    Kernel driver in use: ahci
    Kernel modules: ahci
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:a0b8] (rev 20)
    Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation Device [8086:a0bc] (rev 20)
    Kernel driver in use: pcieport
00:1d.0 PCI bridge [0604]: Intel Corporation Tiger Lake-LP PCI Express Root Port #9 [8086:a0b0] (rev 20)
    Kernel driver in use: pcieport
00:1d.1 PCI bridge [0604]: Intel Corporation Device [8086:a0b1] (rev 20)
    Kernel driver in use: pcieport
00:1f.0 ISA bridge [0601]: Intel Corporation Tiger Lake-LP LPC Controller [8086:a082] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP LPC Controller [1e26:0057]
00:1f.3 Multimedia audio controller [0401]: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller [8086:a0c8] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP Smart Sound Technology Audio Controller [1e26:0040]
    Kernel driver in use: sof-audio-pci-intel-tgl
    Kernel modules: snd_hda_intel, snd_sof_pci_intel_tgl
00:1f.4 SMBus [0c05]: Intel Corporation Tiger Lake-LP SMBus Controller [8086:a0a3] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP SMBus Controller [1e26:0057]
    Kernel driver in use: i801_smbus
    Kernel modules: i2c_i801
00:1f.5 Serial bus controller [0c80]: Intel Corporation Tiger Lake-LP SPI Controller [8086:a0a4] (rev 20)
    Subsystem: Fujitsu Client Computing Limited Tiger Lake-LP SPI Controller [1e26:0057]
06:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller 980 [144d:a809]
    Subsystem: Samsung Electronics Co Ltd Device [144d:a801]
    Kernel driver in use: nvme
    Kernel modules: nvme
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
    Subsystem: Fujitsu Client Computing Limited RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1e26:0017]
    Kernel driver in use: r8169
    Kernel modules: r8169
08:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader [10ec:522a] (rev 01)
    Subsystem: Fujitsu Client Computing Limited RTS522A PCI Express Card Reader [1e26:0019]
    Kernel driver in use: rtsx_pci
    Kernel modules: rtsx_pci


Full lspci -nnk output (Arch)

00:00.0 Host bridge [0600]: Intel Corporation Device [8086:9a04] (rev 01)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:9a78] (rev 01)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:004f]
        Kernel driver in use: i915
        Kernel modules: i915
00:04.0 Signal processing controller [1180]: Intel Corporation TigerLake-LP Dynamic Tuning Processor Participant [8086:9a03] (rev 01)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: proc_thermal
        Kernel modules: processor_thermal_device_pci_legacy
00:08.0 System peripheral [0880]: Intel Corporation GNA Scoring Accelerator module [8086:9a11] (rev 01)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
00:0a.0 Signal processing controller [1180]: Intel Corporation Tigerlake Telemetry Aggregator Driver [8086:9a0d] (rev 01)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: intel_vsec
        Kernel modules: intel_vsec
00:0d.0 USB controller [0c03]: Intel Corporation Tiger Lake-LP Thunderbolt 4 USB Controller [8086:9a13] (rev 01)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci
00:14.0 USB controller [0c03]: Intel Corporation Tiger Lake-LP USB 3.2 Gen 2x1 xHCI Host Controller [8086:a0ed] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci
00:14.2 RAM memory [0500]: Intel Corporation Tiger Lake-LP Shared SRAM [8086:a0ef] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
00:14.3 Network controller [0280]: Intel Corporation Wi-Fi 6 AX201 [8086:a0f0] (rev 20)
        Subsystem: Intel Corporation Device [8086:0074]
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
00:15.0 Serial bus controller [0c80]: Intel Corporation Tiger Lake-LP Serial IO I2C Controller #0 [8086:a0e8] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci
00:16.0 Communication controller [0780]: Intel Corporation Tiger Lake-LP Management Engine Interface [8086:a0e0] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: mei_me
        Kernel modules: mei_me
00:17.0 SATA controller [0106]: Intel Corporation Tiger Lake-LP SATA Controller [8086:a0d3] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: ahci
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:a0b8] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation Device [8086:a0bc] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: pcieport
00:1d.0 PCI bridge [0604]: Intel Corporation Tiger Lake-LP PCI Express Root Port #9 [8086:a0b0] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: pcieport
00:1d.1 PCI bridge [0604]: Intel Corporation Device [8086:a0b1] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: pcieport
00:1f.0 ISA bridge [0601]: Intel Corporation Tiger Lake-LP LPC Controller [8086:a082] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
00:1f.3 Multimedia audio controller [0401]: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller [8086:a0c8] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0040]
        Kernel driver in use: sof-audio-pci-intel-tgl
        Kernel modules: snd_hda_intel, snd_sof_pci_intel_tgl
00:1f.4 SMBus [0c05]: Intel Corporation Tiger Lake-LP SMBus Controller [8086:a0a3] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
00:1f.5 Serial bus controller [0c80]: Intel Corporation Tiger Lake-LP SPI Controller [8086:a0a4] (rev 20)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0057]
        Kernel driver in use: intel-spi
        Kernel modules: spi_intel_pci
06:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller 980 [144d:a809]
        Subsystem: Samsung Electronics Co Ltd Device [144d:a801]
        Kernel driver in use: nvme
        Kernel modules: nvme
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0017]
        Kernel driver in use: r8169
        Kernel modules: r8169
08:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader [10ec:522a] (rev 01)
        Subsystem: Fujitsu Client Computing Limited Device [1e26:0019]
        Kernel driver in use: rtsx_pci
        Kernel modules: rtsx_pci

1 Answer 1

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So, after posting the same issue in Arch's Discord community, a member suggested using the LTS kernel.

This has fixed the issue completely, correct battery percentage with live update, and status.


To change your kernel (on arch)

  1. Get the linux-lts package via pacman or other means (I use yay)
yay -S linux-lts
  1. Run mkinitcpio
sudo mkinitcpio -p linux-lts
  1. Remove the standard linux kernel (Optional)

I suggest keeping it for testing/fallback if lts doesn't help.

yay -R linux
  1. Update grub
sudo grub-mkconfig -o /boot/grub/grub.cfg
  1. Reboot

If you didn't remove the standard kernel select advanced options for Arch and select to boot with the lts kernel 6. Verify the kernel (output should have something ending in -lts)

uname -r

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