[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1896519
Title:
kworker consumes 80% of CPU
Status in linux package in Ubuntu:
Expired
Bug description:
Like yesterday I have noticed my CPU on Leonovo Thinkpad T590 laptop
has starting to be consumed by kworker for 80% of 2-CPU 4-core
processor.
I also see fan works like crazy and "ejects" hot air non stop. This
has never happened in my 6 months of having this new laptop.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-47-generic 5.4.0-47.51
ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55
Uname: Linux 5.4.0-47-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
CasperMD5CheckResult: skip
Date: Mon Sep 21 19:29:32 2020
InstallationDate: Installed on 2019-10-23 (334 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64
(20190805)
MachineType: LENOVO 20N4S06V00
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-47-generic
root=UUID=5ae35a7d-8195-4867-8bb5-49ab3106da83 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-47-generic N/A
linux-backports-modules-5.4.0-47-generic N/A
linux-firmware 1.187.3
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-08-14 (38 days ago)
dmi.bios.date: 08/12/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: N2IET91W (1.69 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20N4S06V00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN2IET91W(1.69):bd08/12/2020:svnLENOVO:pn20N4S06V00:pvrThinkPadT590:rvnLENOVO:rn20N4S06V00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T590
dmi.product.name: 20N4S06V00
dmi.product.sku: LENOVO_MT_20N4_BU_Think_FM_ThinkPad T590
dmi.product.version: ThinkPad T590
dmi.sys.vendor: LENOVO
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0
mtime.conffile..etc.default.apport: 2020-04-29T17:08:03.553351
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