[Bug 1819076] [NEW] swapoff failed: Cannot allocate memory

[efa]

Public bug reported:

my memory situation is this:
4 GB ram total
2 GB used
8 GB swap partition in sda5
about 0 GB swap used

running command swapoff I got always the error below:

$ sudo swapoff -a
swapoff: /dev/sda5: swapoff failed: Cannot allocate memory

Seems swapoff always failed, when 'overcommit' is disabled (in my case
for deterministic behave reasons)

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: mount 2.31.1-0.4ubuntu3.3
ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-16-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: MATE
Date: Thu Mar  7 23:38:20 2019
InstallationDate: Installed on 2016-12-01 (826 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: util-linux
UpgradeStatus: Upgraded to bionic on 2018-09-23 (165 days ago)

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


** Tags: amd64 apport-bug bionic

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https://bugs.launchpad.net/bugs/1819076

Title:
  swapoff failed: Cannot allocate memory

Status in util-linux package in Ubuntu:
  New

Bug description:
  my memory situation is this:
  4 GB ram total
  2 GB used
  8 GB swap partition in sda5
  about 0 GB swap used

  running command swapoff I got always the error below:

  $ sudo swapoff -a
  swapoff: /dev/sda5: swapoff failed: Cannot allocate memory

  Seems swapoff always failed, when 'overcommit' is disabled (in my case
  for deterministic behave reasons)

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: mount 2.31.1-0.4ubuntu3.3
  ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20
  Uname: Linux 4.18.0-16-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Thu Mar  7 23:38:20 2019
  InstallationDate: Installed on 2016-12-01 (826 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  SourcePackage: util-linux
  UpgradeStatus: Upgraded to bionic on 2018-09-23 (165 days ago)

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