I can see this effect on Debian on kernel 5.10.0-9, and its also a Lenovo Yoga device, a Yoga 12.
Also, I've noticed that the messages disappear when the thinkpad_acpi kernel module is unloaded. See this unload/load cycle: [ 3438.860209] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) [ 3438.860229] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) [ 3438.860248] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) [ 3438.860268] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) [ 3439.473575] battery: extension unregistered: ThinkPad Battery Extension [ 4353.799882] thinkpad_acpi: ThinkPad ACPI Extras v0.26 [ 4353.799884] thinkpad_acpi: http://ibm-acpi.sf.net/ [ 4353.799885] thinkpad_acpi: ThinkPad BIOS JEET69WW (1.18 ), EC JEHT69WW [ 4353.799886] thinkpad_acpi: Lenovo ThinkPad S1 Yoga 12, model 20DKS0X40M [ 4353.800475] thinkpad_acpi: Tablet mode switch found (type: GMMS), currently in laptop mode [ 4353.800484] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver [ 4353.800485] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default... [ 4353.802295] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked [ 4353.802567] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) [ 4353.802579] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) [ 4353.802588] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) [ 4353.802597] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20200925/nsarguments-206) Not sure if this is important, but I also have the tp-smapi-dkms package installed. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1854592 Title: kern.log flooded by ACPI error messages Status in linux package in Ubuntu: Confirmed Bug description: I use Ubuntu 19.10 AMD64 (completely up to date) on a Lenovo Thinkpad S1 Yoga 12, and I've just noticed that /var/log/kern.log is flooded by messages like : Nov 30 21:12:44 yoga kernel: [ 526.471259] ACPI: \_SB.PCI0.LPCB.EC0.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20190703/nsarguments-204) Every about two seconds, 18 messages of this kind are recorded. What could I do to provide more informations ? ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-23-generic 5.3.0-23.25 ProcVersionSignature: Ubuntu 5.3.0-23.25-generic 5.3.7 Uname: Linux 5.3.0-23-generic x86_64 ApportVersion: 2.20.11-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: tley 1650 F.... pulseaudio /dev/snd/controlC1: tley 1650 F.... pulseaudio /dev/snd/pcmC1D0p: tley 1650 F...m pulseaudio Date: Sat Nov 30 21:18:09 2019 InstallationDate: Installed on 2019-11-17 (13 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: LENOVO 20DKS1MA00 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-23-generic root=UUID=6662e662-b3da-478c-bf6b-ea7d12495e6e ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.3.0-23-generic N/A linux-backports-modules-5.3.0-23-generic N/A linux-firmware 1.183.2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/24/2015 dmi.bios.vendor: LENOVO dmi.bios.version: JEET69WW (1.18 ) dmi.board.asset.tag: Not Available dmi.board.name: 20DKS1MA00 dmi.board.vendor: LENOVO dmi.board.version: SDK0E50510 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrJEET69WW(1.18):bd07/24/2015:svnLENOVO:pn20DKS1MA00:pvrThinkPadS1Yoga12:rvnLENOVO:rn20DKS1MA00:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad S1 Yoga 12 dmi.product.name: 20DKS1MA00 dmi.product.sku: LENOVO_MT_20DK_BU_Think_FM_ThinkPad S1 Yoga 12 dmi.product.version: ThinkPad S1 Yoga 12 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1854592/+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
