apport information ** Tags added: apport-collected
** Description changed: After an update from 4.10.0-40-generic to 4.13.0-32-generic (ubuntu 16.04 + hwe kernel), the number of process when doing IO on my machine has exploded. Before the update, maximum number of process : 284 After the update, doing a simple rsync to an external disk : 771 The system is now unstable and crashes. The processes are hundreds of "kworker". Please let me know if there is something more needed. + --- + AlsaDevices: + total 0 + crw-rw---- 1 root audio 116, 1 Feb 6 09:04 seq + crw-rw---- 1 root audio 116, 33 Feb 6 09:04 timer + AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.13.0-32-generic. + AplayDevices: aplay: device_list:268: no soundcards found... + ApportVersion: 2.20.1-0ubuntu2.15 + Architecture: amd64 + ArecordDevices: arecord: device_list:268: no soundcards found... + AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: + DistroRelease: Ubuntu 16.04 + IwConfig: Error: [Errno 2] No such file or directory + MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. + Package: linux (not installed) + PciMultimedia: + + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-32-generic root=UUID=ef4f1569-51cf-478d-868c-78a3b7f04a2c ro + ProcVersionSignature: Ubuntu 4.13.0-32.35~16.04.1-generic 4.13.13 + RelatedPackageVersions: + linux-restricted-modules-4.13.0-32-generic N/A + linux-backports-modules-4.13.0-32-generic N/A + linux-firmware 1.157.15 + RfKill: Error: [Errno 2] No such file or directory + Tags: xenial + Uname: Linux 4.13.0-32-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm audio cdrom dip kvm libvirtd lpadmin lxd plugdev sambashare sudo sudo-no-log video + _MarkForUpload: True + dmi.bios.date: 05/17/2016 + dmi.bios.vendor: American Megatrends Inc. + dmi.bios.version: P2.70 + dmi.board.name: Z97 Extreme6 + dmi.board.vendor: ASRock + dmi.chassis.asset.tag: To Be Filled By O.E.M. + dmi.chassis.type: 3 + dmi.chassis.vendor: To Be Filled By O.E.M. + dmi.chassis.version: To Be Filled By O.E.M. + dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.70:bd05/17/2016:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ97Extreme6:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: + dmi.product.family: To Be Filled By O.E.M. + dmi.product.name: To Be Filled By O.E.M. + dmi.product.version: To Be Filled By O.E.M. + dmi.sys.vendor: To Be Filled By O.E.M. ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1747597/+attachment/5049586/+files/CRDA.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1747597 Title: Number of processes exploded after upgrade to 4.13.0-32-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta-hwe/+bug/1747597/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
