** Description changed:
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
+ 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
- Let me know if I can provide more details.
+ 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
+ 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
+ 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.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1213917
Title:
kworker thread consuming 99.8 - 100% CPU after update
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