apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1747597/+attachment/5049594/+files/ProcInterrupts.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1747597 Title: Number of processes exploded after upgrade to 4.13.0-32-generic Status in linux-meta-hwe package in Ubuntu: Confirmed Bug description: 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta-hwe/+bug/1747597/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
