It gets disabled by commit ("cpufreq: amd-pstate: add amd-pstate driver parameter for mode selection").
Use kernel parameter "amd_pstate=passive" to enable it once again. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed in Ubuntu. https://bugs.launchpad.net/bugs/2006942 Title: With linux kernel 5.19.0-31 amd_pstate is not used, while with 5.19.0-29 and lower does Status in linux package in Ubuntu: Confirmed Status in linux-signed package in Ubuntu: Confirmed Bug description: After upgrading to 5.19.0-31 (two of my systems) CPU driver changes to acpi-cpufreq. instead of amd_pstate. This causes cpu to keep higher frequency and increased consumption. ``` root@zeus:/sys/devices/system/cpu/cpufreq/policy0# ls -l total 0 -r--r--r-- 1 root root 4096 Feb 10 13:27 affected_cpus -r--r--r-- 1 root root 4096 Feb 10 13:28 amd_pstate_highest_perf -r--r--r-- 1 root root 4096 Feb 10 13:28 amd_pstate_lowest_nonlinear_freq -r--r--r-- 1 root root 4096 Feb 10 13:28 amd_pstate_max_freq -r--r--r-- 1 root root 4096 Feb 10 12:54 cpuinfo_max_freq -r--r--r-- 1 root root 4096 Feb 10 13:27 cpuinfo_min_freq -r--r--r-- 1 root root 4096 Feb 10 13:27 cpuinfo_transition_latency -r--r--r-- 1 root root 4096 Feb 10 13:27 related_cpus -r--r--r-- 1 root root 4096 Feb 10 12:54 scaling_available_governors -r--r--r-- 1 root root 4096 Feb 10 13:27 scaling_cur_freq -r--r--r-- 1 root root 4096 Feb 10 13:27 scaling_driver -rw-r--r-- 1 root root 4096 Feb 10 12:54 scaling_governor -rw-r--r-- 1 root root 4096 Feb 10 12:54 scaling_max_freq -rw-r--r-- 1 root root 4096 Feb 10 12:54 scaling_min_freq -rw-r--r-- 1 root root 4096 Feb 10 13:28 scaling_setspeed root@zeus:/sys/devices/system/cpu/cpufreq/policy0# ``` with newer kernel also policy files for amd_pstate Tried it on 2 Asus PN51-S1 systems with AMD Ryzen 7 5700U I am currently staying at 5.19.0-29 as it is working better. --- ProblemType: Bug AlsaVersion: Advanced Linux Sound Architecture Driver Version k5.19.0-31-generic. AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.23.1-0ubuntu3 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: N/A Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer' Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer' Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer' Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer' CasperMD5CheckResult: pass DistroRelease: Ubuntu 22.10 InstallationDate: Installed on 2022-11-18 (85 days ago) InstallationMedia: Ubuntu-Server 22.10 "Kinetic Kudu" - Release amd64 (20221019) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: ASUSTeK COMPUTER INC. MINIPC PN51-S1 Package: linux-signed (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.19.0-31-generic root=/dev/mapper/system-root ro ProcVersionSignature: Ubuntu 5.19.0-31.32-generic 5.19.17 RelatedPackageVersions: linux-restricted-modules-5.19.0-31-generic N/A linux-backports-modules-5.19.0-31-generic N/A linux-firmware 20220923.gitf09bebf3-0ubuntu1.3 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: kinetic uec-images Uname: Linux 5.19.0-31-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 08/10/2022 dmi.bios.release: 1.12 dmi.bios.vendor: ASUSTeK COMPUTER INC. dmi.bios.version: 0112 dmi.board.asset.tag: Default string dmi.board.name: PN51-S1 dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: To be filled by O.E.M. dmi.chassis.asset.tag: Default string dmi.chassis.type: 35 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnASUSTeKCOMPUTERINC.:bvr0112:bd08/10/2022:br1.12:svnASUSTeKCOMPUTERINC.:pnMINIPCPN51-S1:pvr0112:rvnASUSTeKCOMPUTERINC.:rnPN51-S1:rvrTobefilledbyO.E.M.:cvnDefaultstring:ct35:cvrDefaultstring:sku: dmi.product.family: Vivo PC dmi.product.name: MINIPC PN51-S1 dmi.product.version: 0112 dmi.sys.vendor: ASUSTeK COMPUTER INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2006942/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp