Public bug reported: On my computer, everytime I suspend and resume, a process appears called kworker and takes around 95% CPU until next reboot. Contrary to what I've seen around, the lid doesn't have to be closed and it doesn't affect the next suspending.
ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-14-generic 3.11.0-14.21 ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7 Uname: Linux 3.11.0-14-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: pablo 1565 F.... pulseaudio Date: Wed Nov 27 22:26:17 2013 InstallationDate: Installed on 2013-11-22 (5 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: Semp Toshiba Informatica Ltda STI UB 1401 MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic root=UUID=3e3b8395-cedc-465a-938b-6ca56aba7539 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.11.0-14-generic N/A linux-backports-modules-3.11.0-14-generic N/A linux-firmware 1.116 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/29/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 4.6.5 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: STI UB 1401 dmi.board.vendor: Semp Toshiba Informatica Ltda dmi.board.version: To be filled by O.E.M. dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 9 dmi.chassis.vendor: Semp Toshiba Informatica Ltda dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd05/29/2012:svnSempToshibaInformaticaLtda:pnSTIUB1401:pvrRev.10/00:rvnSempToshibaInformaticaLtda:rnSTIUB1401:rvrTobefilledbyO.E.M.:cvnSempToshibaInformaticaLtda:ct9:cvrToBeFilledByO.E.M.: dmi.product.name: STI UB 1401 dmi.product.version: Rev. 10/00 dmi.sys.vendor: Semp Toshiba Informatica Ltda ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug package-from-proposed saucy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255777 Title: kworker process takes up ~95% of one CPU after suspending and resuming To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1255777/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs