[Bug 821603] Re: sysctl -p doesn't work on vm.dirty_background_bytes = 0

[Peter Cordes]

Did you try setting it to a non-zero value other than the default, if
1048676 was the default?  Also, did you check that the value isn't
getting overwritten by a later line in the same or a later config file
in /etc/sysctl.d?

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https://bugs.launchpad.net/bugs/821603

Title:
  sysctl -p doesn't work on vm.dirty_background_bytes = 0

Status in “procps” package in Ubuntu:
  New

Bug description:
  I'm using Ubuntu 11.10 dev. For example set vm.dirty_background_bytes to 1048676, execute "sysctl -p" and then check the value with "sysctl -a | grep 'vm\.'". vm.dirty_background_bytes is now set to 1048676 as expected. But if vm.dirty_background_bytes is now set to 0, "sysctl -p" is executed and the value is checked with "sysctl -a | grep 'vm\.'" it still shows 1048676 instead of 0.
  --- 
  Architecture: amd64
  DistroRelease: Ubuntu 11.10
  EcryptfsInUse: Yes
  NonfreeKernelModules: nvidia
  Package: procps 1:3.2.8-10ubuntu5
  PackageArchitecture: amd64
  ProcEnviron:
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.0.0-7.9-generic 3.0.0
  Tags:  oneiric
  Uname: Linux 3.0.0-7-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dialout lpadmin plugdev sambashare sudo

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