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[Launchpad Bug Tracker <1734744@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu Xenial) because there has been no activity
for 60 days.]

** Changed in: linux (Ubuntu Xenial)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1734744

Title:
  OOM killer with kernel 4.4.0-92

Status in linux package in Ubuntu:
  Expired
Status in linux source package in Xenial:
  Expired

Bug description:
  When putting pressure on a Linux Node in Azure we see OOM killers (similar to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1655842 but not this is a different kernel)
  Reverting the kernel to 4.4.0-57 fixes the problem.

  dmesg and kernel.log attached
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Dec 11 15:21 seq
   crw-rw---- 1 root audio 116, 33 Dec 11 15:21 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.20.1-0ubuntu2.13
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: N/A
  DistroRelease: Ubuntu 16.04
  IwConfig: Error: [Errno 2] No such file or directory
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  MachineType: Microsoft Corporation Virtual Machine
  Package: linux (not installed)
  PciMultimedia:
   
  ProcFB: 0 hyperv_fb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-92-generic root=UUID=512611f4-b05a-4d8a-b743-438b71c5385d ro console=tty1 console=ttyS0 earlyprintk=ttyS0 rootdelay=300
  ProcVersionSignature: Ubuntu 4.4.0-92.115-generic 4.4.76
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-92-generic N/A
   linux-backports-modules-4.4.0-92-generic  N/A
   linux-firmware                            1.157.13
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  xenial uec-images xenial uec-images
  Uname: Linux 4.4.0-92-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 06/02/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 090007
  dmi.board.name: Virtual Machine
  dmi.board.vendor: Microsoft Corporation
  dmi.board.version: 7.0
  dmi.chassis.asset.tag: 7783-7084-3265-9085-8269-3286-77
  dmi.chassis.type: 3
  dmi.chassis.vendor: Microsoft Corporation
  dmi.chassis.version: 7.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr090007:bd06/02/2017:svnMicrosoftCorporation:pnVirtualMachine:pvr7.0:rvnMicrosoftCorporation:rnVirtualMachine:rvr7.0:cvnMicrosoftCorporation:ct3:cvr7.0:
  dmi.product.name: Virtual Machine
  dmi.product.uuid: D88904A9-DF88-454F-9F50-7A8DE8964445
  dmi.product.version: 7.0
  dmi.sys.vendor: Microsoft Corporation

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