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[Bernhard Czapp <bernhard_czapp@xxxxxx>]

Public bug reported:

kswapd0 high cpu load.
System doesn't have swap partition / swap file.

Using AWS t2.nano

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-34-generic 4.2.0-34.39
ProcVersionSignature: User Name 4.2.0-34.39-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116,  1 Mar 20 07:35 seq
 crw-rw---- 1 root audio 116, 33 Mar 20 07:35 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Date: Sun Mar 20 07:57:52 2016
Ec2AMI: ami-b7443fc0
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: eu-west-1a
Ec2InstanceType: t2.nano
Ec2Kernel: unavailable
Ec2Ramdisk: unavailable
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99
MachineType: Xen HVM domU
PciMultimedia:
 
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB:
 0 cirrusdrmfb
 1 xen
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-34-generic root=UUID=b079c5f1-8fc8-4bb0-aa26-31610f9c5615 ro console=tty1 console=ttyS0
RelatedPackageVersions:
 linux-restricted-modules-4.2.0-34-generic N/A
 linux-backports-modules-4.2.0-34-generic  N/A
 linux-firmware                            1.149.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to wily on 2015-11-13 (127 days ago)
dmi.bios.date: 12/07/2015
dmi.bios.vendor: Xen
dmi.bios.version: 4.2.amazon
dmi.chassis.type: 1
dmi.chassis.vendor: Xen
dmi.modalias: dmi:bvnXen:bvr4.2.amazon:bd12/07/2015:svnXen:pnHVMdomU:pvr4.2.amazon:cvnXen:ct1:cvr:
dmi.product.name: HVM domU
dmi.product.version: 4.2.amazon
dmi.sys.vendor: Xen

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ec2-images wily

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https://bugs.launchpad.net/bugs/1559643

Title:
  kswapd0 high cpu

Status in linux package in Ubuntu:
  New

Bug description:
  kswapd0 high cpu load.
  System doesn't have swap partition / swap file.

  Using AWS t2.nano

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-34-generic 4.2.0-34.39
  ProcVersionSignature: User Name 4.2.0-34.39-generic 4.2.8-ckt4
  Uname: Linux 4.2.0-34-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Mar 20 07:35 seq
   crw-rw---- 1 root audio 116, 33 Mar 20 07:35 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Date: Sun Mar 20 07:57:52 2016
  Ec2AMI: ami-b7443fc0
  Ec2AMIManifest: (unknown)
  Ec2AvailabilityZone: eu-west-1a
  Ec2InstanceType: t2.nano
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99
  MachineType: Xen HVM domU
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   0 cirrusdrmfb
   1 xen
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-34-generic root=UUID=b079c5f1-8fc8-4bb0-aa26-31610f9c5615 ro console=tty1 console=ttyS0
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-34-generic N/A
   linux-backports-modules-4.2.0-34-generic  N/A
   linux-firmware                            1.149.3
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: Upgraded to wily on 2015-11-13 (127 days ago)
  dmi.bios.date: 12/07/2015
  dmi.bios.vendor: Xen
  dmi.bios.version: 4.2.amazon
  dmi.chassis.type: 1
  dmi.chassis.vendor: Xen
  dmi.modalias: dmi:bvnXen:bvr4.2.amazon:bd12/07/2015:svnXen:pnHVMdomU:pvr4.2.amazon:cvnXen:ct1:cvr:
  dmi.product.name: HVM domU
  dmi.product.version: 4.2.amazon
  dmi.sys.vendor: Xen

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