No time wasted at all. Glad to hear the issue is resolved with the
latest updates. I'll move the status to "Fix Released". Just move it
back to Confirmed if the issue comes up again.
Thanks for all the help testing!
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1213917
Title:
kworker thread 99.8 - 100% CPU after 1st suspend - no second suspend
Status in “linux” package in Ubuntu:
Fix Released
Bug description:
After updating today (hadn't updated for a while), my fan won't stop
and top is showing:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4 root 20 0 0 0 0 R 100,2 0,0 36:42.35 kworker/0:0
Edit: seems related to bug 1214071. I can reproduce with:
1) Start with a fresh reboot
2) suspend and resume
At this point after the successful resume, kworker thread starts
consuming 100% cpu and I can no longer suspend (bug 1214071).
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-2-generic 3.11.0-2.5
ProcVersionSignature: Ubuntu 3.11.0-2.5-generic 3.11.0-rc5
Uname: Linux 3.11.0-2-generic x86_64
ApportVersion: 2.12-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: michael 2372 F.... pulseaudio
Date: Mon Aug 19 14:39:57 2013
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=1efd421f-ac68-455b-b4d4-8912fa02494d
MachineType: ASUSTeK COMPUTER INC. X201EP
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-2-generic.efi.signed
root=UUID=05643352-201b-43e8-976a-c1d40d591e80 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.11.0-2-generic N/A
linux-backports-modules-3.11.0-2-generic N/A
linux-firmware 1.113
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/04/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X201EP.209
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X201EP
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrX201EP.209:bd02/04/2013:svnASUSTeKCOMPUTERINC.:pnX201EP:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX201EP:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X201EP
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
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