This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1840454
Title:
kernel 5.2 disallows thermald's direct MSR writes
Status in linux package in Ubuntu:
Confirmed
Status in thermald package in Ubuntu:
New
Bug description:
thermald/kernel are spamming dmesg now because MSR write is
disallowed.
jak@jak-t480s:~:master$ journalctl -b --since=today | grep msr | wc -l
8688
jak@jak-t480s:~:master$ journalctl -b --since=today | grep msr | tail
Aug 16 14:48:57 jak-t480s thermald[11327]: [WARN]sysfs write failed
/dev/cpu/0/msr
Aug 16 14:48:57 jak-t480s kernel: msr: Direct access to MSR 1a2
Aug 16 14:49:05 jak-t480s thermald[11327]: [WARN]sysfs write failed
/dev/cpu/0/msr
Aug 16 14:49:05 jak-t480s kernel: msr: Direct access to MSR 1a2
Aug 16 14:49:13 jak-t480s thermald[11327]: [WARN]sysfs write failed
/dev/cpu/0/msr
Aug 16 14:49:13 jak-t480s kernel: msr: Direct access to MSR 1a2
Aug 16 14:49:21 jak-t480s thermald[11327]: [WARN]sysfs write failed
/dev/cpu/0/msr
Aug 16 14:49:21 jak-t480s kernel: msr: Direct access to MSR 1a2
Aug 16 14:50:03 jak-t480s kernel: msr: Direct access to MSR 1a2
Aug 16 14:50:03 jak-t480s thermald[11327]: [WARN]sysfs write failed
/dev/cpu/0/msr
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: jak 5499 F.... pulseaudio
/dev/snd/controlC1: jak 5499 F.... pulseaudio
/dev/snd/controlC0: jak 5499 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 19.10
HibernationDevice: RESUME=none
InstallationDate: Installed on 2018-03-14 (520 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180313)
MachineType: LENOVO 20L8S02D00
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
Package: thermald 1.9.0-1
PackageArchitecture: amd64
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.2.0-10-generic
root=/dev/mapper/ubuntu--vg-root ro rootflags=subvol=@
ProcVersionSignature: Ubuntu 5.2.0-10.11-generic 5.2.4
RelatedPackageVersions:
linux-restricted-modules-5.2.0-10-generic N/A
linux-backports-modules-5.2.0-10-generic N/A
linux-firmware 1.181
Tags: eoan third-party-packages
Uname: Linux 5.2.0-10-generic x86_64
UpgradeStatus: Upgraded to eoan on 2018-11-20 (269 days ago)
UserGroups: adm cdrom dip fax input kvm libvirt lpadmin lxd plugdev
sambashare sbuild sudo
_MarkForUpload: True
dmi.bios.date: 04/22/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N22ET54W (1.31 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20L8S02D00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN22ET54W(1.31):bd04/22/2019:svnLENOVO:pn20L8S02D00:pvrThinkPadT480s:rvnLENOVO:rn20L8S02D00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T480s
dmi.product.name: 20L8S02D00
dmi.product.sku: LENOVO_MT_20L8_BU_Think_FM_ThinkPad T480s
dmi.product.version: ThinkPad T480s
dmi.sys.vendor: LENOVO
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