[Bug 1303649] Re: systemd-logind spins in cgmanager_ping_sync()

[Marcelo de G. Malheiros]

Continuing my previous comment: after the update I got both 'cgmanager'
and 'systemd-logind' daemons eating 70% of processor time each (in a
multi-core cpu).

Tried to reinstall and reconfigure all recently updated packages, with
no result.

The visible effect is a long delay when logging (either on terminal or
graphics environment). I also got problems with the NetworkManager,
which started to show an 'insufficient privileges' when selecting a
wireless network.

A stopgap measure to access wifi was killing the user-level 'nm-applet'
process and starting it again as root.

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https://bugs.launchpad.net/bugs/1303649

Title:
  systemd-logind spins in cgmanager_ping_sync()

Status in cgmanager package in Ubuntu:
  Invalid
Status in libnih package in Ubuntu:
  Invalid
Status in lxc package in Ubuntu:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released

Bug description:
  systemd-logind is consuming a high level of cpu on a continual basis:

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                                                
    676 root      20   0   43644   2144   1568 R 100.0  0.0  74:43.77 systemd-logind

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: systemd-services 204-5ubuntu17
  ProcVersionSignature: Ubuntu 3.13.0-22.44-generic 3.13.8
  Uname: Linux 3.13.0-22-generic x86_64
  ApportVersion: 2.14.1-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Apr  7 09:09:37 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2013-04-23 (348 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423)
  SourcePackage: systemd
  UpgradeStatus: Upgraded to trusty on 2013-11-11 (146 days ago)

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