This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1758620
Title:
Excessive kworker invocations after wake from suspend
Status in linux package in Ubuntu:
Confirmed
Bug description:
Whenever I wake my computer from a "Suspend", System Monitor shows
over 80 instances of kworker spontaneously get spawned. If I move the
mouse, the PC crashes and I must restart.
If I don't touch the mouse and let the PC sit untouched for about 10
minutes, the 80 extra kworker daemons terminate and only the "normal"
8 remain. The PC operates fine from then on.
I get similar behaviour on 3 different machines, all 64 bit 16.04LTS.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-116-generic 4.4.0-116.140
ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98
Uname: Linux 4.4.0-116-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: bob 1436 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Mar 25 02:26:12 2018
HibernationDevice: RESUME=UUID=0e553f8e-0d16-4cd5-9faa-b131ebed6c74
InstallationDate: Installed on 2018-03-01 (23 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
MachineType: Hewlett-Packard Presario CQ62 Notebook PC
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-116-generic
root=UUID=c94db9b0-0eb0-4d47-a791-a9dab0dc42cf ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-116-generic N/A
linux-backports-modules-4.4.0-116-generic N/A
linux-firmware 1.157.17
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/08/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.0A
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1444
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 69.17
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.0A:bd06/08/2010:svnHewlett-Packard:pnPresarioCQ62NotebookPC:pvr0498100000242810000020000:rvnHewlett-Packard:rn1444:rvr69.17:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: Presario CQ62 Notebook PC
dmi.product.version: 0498100000242810000020000
dmi.sys.vendor: Hewlett-Packard
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