Package: linux-image-5.10.0-6-amd64 Version: 5.10.28-1 Idle power consumption has increased by 25% from Debian 10.9 to Debian 11.
Possibly a kernel or driver/firmware issue. Debian 11, updated # uname -a Linux mx1 5.10.0-6-amd64 #1 SMP Debian 5.10.28-1 (2021-04-09) x86_64 GNU/Linux dpkg --list | grep linux-image ii linux-image-5.10.0-6-amd64 5.10.28-1 amd64 Linux 5.10 for 64-bit PCs (signed) ii linux-image-amd64 5.10.28-1 amd64 Linux for 64-bit PCs (meta-package) powertop --auto-tune was executed (tunables at good) see below for C states output dpkg --list | grep powertop ii powertop 2.11-1 amd64 diagnose issues with power consumption and management processor: Coffee Lake Intel Pentium G5400 One error in dmesg dmesg: all i915 lines: [ 2.153980] i915 0000:00:02.0: [drm] VT-d active for gfx access [ 2.158236] i915 0000:00:02.0: vgaarb: deactivate vga console [ 2.172255] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 2.174543] i915 0000:00:02.0: firmware: failed to load i915/kbl_dmc_ver1_04.bin (-2) [ 2.174551] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 2.174553] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 2.174554] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 2.515706] i915 0000:00:02.0: [drm] failed to retrieve link info, disabling eDP [ 2.556098] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 2.558481] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) [ 2.608536] fbcon: i915drmfb (fb0) is primary device [ 2.647236] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device # lspci | grep -i VGA 00:02.0 VGA compatible controller: Intel Corporation CoffeeLake-S GT1 [UHD Graphics 610] kbl_dmc_ver1_04.bin not found on disk # find / -name kbl_dmc_ver1_04.bin # cat /sys/kernel/debug/dri/0/i915_dmc_info cat /sys/kernel/debug/dri/0/i915_dmc_info fw loaded: no path: i915/kbl_dmc_ver1_04.bin [..] # cat /sys/kernel/debug/dri/0/i915_params/dmc_firmware_path cat /sys/kernel/debug/dri/0/i915_params/dmc_firmware_path (null) No GUI. /usr/sbin/powertop modprobe cpufreq_stats failedLoaded 0 prior measurements RAPL device for cpu 0 RAPL Using PowerCap Sysfs : Domain Mask f RAPL device for cpu 0 RAPL Using PowerCap Sysfs : Domain Mask f Devfreq not enabled glob returned GLOB_ABORTED PowerTOP v2.11 Overview Idle stats Frequency stats Device stats Tunables WakeUp Pkg(HW) | Core(HW) | CPU(OS) 0 CPU(OS) 2 | | C0 active 0.1% 0.1% | | POLL 0.0% 0.0 ms 0.0% 0.0 ms | | C1 0.0% 1.6 ms 0.1% 0.7 ms C2 (pc2) 3.6% | | C3 (pc3) 0.0% | C3 (cc3) 0.0% | C3 0.0% 0.2 ms 0.0% 0.0 ms C6 (pc6) 0.0% | C6 (cc6) 0.0% | C6 0.0% 0.8 ms 0.0% 0.1 ms C7 (pc7) 0.0% | C7 (cc7) 99.4% | C7s 0.0% 0.0 ms 0.0% 0.0 ms C8 (pc8) 95.2% | | C8 0.3% 2.2 ms 0.3% 1.4 ms C9 (pc9) 0.0% | | C9 0.0% 3.0 ms 0.1% 4.6 ms C10 (pc10) 0.0% | | | | C10 99.3% 129.0 ms 99.3% 122.4 ms | | C1E 0.2% 3.6 ms 0.1% 1.2 ms | Core(HW) | CPU(OS) 1 CPU(OS) 3 | | C0 active 0.1% 0.0% | | POLL 0.0% 0.0 ms 0.0% 0.0 ms | | C1 0.6% 0.3 ms 0.2% 0.2 ms | | | C3 (cc3) 0.0% | C3 0.0% 0.1 ms 0.0% 0.0 ms | C6 (cc6) 0.0% | C6 0.0% 0.0 ms 0.0% 0.0 ms | C7 (cc7) 99.3% | C7s 0.0% 0.0 ms 0.0% 0.0 ms | | C8 0.0% 0.0 ms 0.0% 1.0 ms | | C9 0.0% 0.0 ms 0.0% 0.0 ms | | | | C10 99.3% 159.2 ms 99.7% 220.5 ms | | C1E 0.0% 0.0 ms 0.0% 0.0 ms | GPU | | | | Powered On 0.0% | | RC6 100.0% | | RC6p 0.0% | | RC6pp 0.0% | | | | | | | | | | | | | | | Power est. Usage Device name 0.0% I2C Adapter (i2c-1): i915 gmbus dpb 0.0% I2C Adapter (i2c-4): i915 gmbus dpd 0.0% I2C Adapter (i2c-2): i915 gmbus dpc 0.0% I2C Adapter (i2c-3): i915 gmbus misc
