Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed (Ubuntu)
Status: New => Confirmed
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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.
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