Public bug reported:
kworker takes a lot of CPU. no other app are active.
top - 15:52:50 up 8 min, 1 user, load average: 1,16, 1,24, 0,77
Tasks: 204 total, 2 running, 202 sleeping, 0 stopped, 0 zombie
%Cpu(s): 4,9 us, 26,2 sy, 0,0 ni, 62,3 id, 0,0 wa, 0,0 hi, 6,6 si, 0,0 st
MiB Mem : 3867,1 total, 1737,2 free, 895,9 used, 1234,0 buff/cache
MiB Swap: 4096,0 total, 4096,0 free, 0,0 used. 2568,5 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
239 root 20 0 0 0 0 R 81,2 0,0 0:31.92 kworker/0+
1623 corrado 20 0 304848 53436 38048 S 6,2 1,3 0:13.02 Xorg
1921 corrado 20 0 323484 10544 8768 S 6,2 0,3 0:00.42 ibus-daem+
1 root 20 0 167140 10868 7952 S 0,0 0,3 0:02.04 systemd
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-image-5.3.0-29-generic 5.3.0-29.31
ProcVersionSignature: Ubuntu 5.3.0-29.31-generic 5.3.13
Uname: Linux 5.3.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: corrado 1613 F.... pulseaudio
/dev/snd/controlC1: corrado 1613 F.... pulseaudio
Date: Thu Jan 30 15:49:01 2020
InstallationDate: Installed on 2019-12-28 (33 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: Hewlett-Packard HP 250 G3 Notebook PC
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-29-generic
root=UUID=24e2ba6f-1b75-4b3c-835e-63387635551b ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.3.0-29-generic N/A
linux-backports-modules-5.3.0-29-generic N/A
linux-firmware 1.183.3
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/18/2014
dmi.bios.vendor: Insyde
dmi.bios.version: F.36
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 2211
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 86.49
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.36:bd12/18/2014:svnHewlett-Packard:pnHP250G3NotebookPC:pvr0991100000000000000600087:rvnHewlett-Packard:rn2211:rvr86.49:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.family: 103C_5336AN G=N L=CON B=HP S=PAV
dmi.product.name: HP 250 G3 Notebook PC
dmi.product.sku: J4R70EA#ABZ
dmi.product.version: 0991100000000000000600087
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug eoan
** Attachment added: "top.txt"
https://bugs.launchpad.net/bugs/1861419/+attachment/5324223/+files/top.txt
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https://bugs.launchpad.net/bugs/1861419
Title:
kworker takes a lot of CPU
Status in linux package in Ubuntu:
Confirmed
Bug description:
kworker takes a lot of CPU. no other app are active.
top - 15:52:50 up 8 min, 1 user, load average: 1,16, 1,24, 0,77
Tasks: 204 total, 2 running, 202 sleeping, 0 stopped, 0 zombie
%Cpu(s): 4,9 us, 26,2 sy, 0,0 ni, 62,3 id, 0,0 wa, 0,0 hi, 6,6 si, 0,0
st
MiB Mem : 3867,1 total, 1737,2 free, 895,9 used, 1234,0 buff/cache
MiB Swap: 4096,0 total, 4096,0 free, 0,0 used. 2568,5 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
239 root 20 0 0 0 0 R 81,2 0,0 0:31.92
kworker/0+
1623 corrado 20 0 304848 53436 38048 S 6,2 1,3 0:13.02 Xorg
1921 corrado 20 0 323484 10544 8768 S 6,2 0,3 0:00.42
ibus-daem+
1 root 20 0 167140 10868 7952 S 0,0 0,3 0:02.04 systemd
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-image-5.3.0-29-generic 5.3.0-29.31
ProcVersionSignature: Ubuntu 5.3.0-29.31-generic 5.3.13
Uname: Linux 5.3.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: corrado 1613 F.... pulseaudio
/dev/snd/controlC1: corrado 1613 F.... pulseaudio
Date: Thu Jan 30 15:49:01 2020
InstallationDate: Installed on 2019-12-28 (33 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: Hewlett-Packard HP 250 G3 Notebook PC
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-29-generic
root=UUID=24e2ba6f-1b75-4b3c-835e-63387635551b ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.3.0-29-generic N/A
linux-backports-modules-5.3.0-29-generic N/A
linux-firmware 1.183.3
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/18/2014
dmi.bios.vendor: Insyde
dmi.bios.version: F.36
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 2211
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 86.49
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.36:bd12/18/2014:svnHewlett-Packard:pnHP250G3NotebookPC:pvr0991100000000000000600087:rvnHewlett-Packard:rn2211:rvr86.49:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.family: 103C_5336AN G=N L=CON B=HP S=PAV
dmi.product.name: HP 250 G3 Notebook PC
dmi.product.sku: J4R70EA#ABZ
dmi.product.version: 0991100000000000000600087
dmi.sys.vendor: Hewlett-Packard
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