[Bug 1273258] Re: Hundreds of dbus-daemon processes

[Scott Conger]

We're also seeing this at my workplace (Salesforce) and people are
running scripts to clean up the processes. It's irritating as it can
spawn enough processes to prevent you from remotely logging in.

I hit this page when googling around looking for a solution.

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https://bugs.launchpad.net/bugs/1273258

Title:
  Hundreds of dbus-daemon processes

Status in “dbus” package in Ubuntu:
  New

Bug description:
  I find a growing number of root owned dbus-daemon processes.
  Eventually, this results in a 'too many processes' error preventing something to fork, e.g. a login.

  They get created by batches of 4, every 30 minutes on my box.
  My box is a puppet client, so that these 30 minutes are not in a local cron tab.
  The pids are 11 units apart (when the box is otherwise idle).
  The command line is:
  //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session

  ~# ps -fu root | grep dbus-daemon | grep -v grep | tail -8
  root     17509     1  0 11:25 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
  root     17520     1  0 11:25 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
  root     17531     1  0 11:25 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
  root     17542     1  0 11:25 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
  root     17972     1  0 11:55 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
  root     17983     1  0 11:55 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
  root     17994     1  0 11:55 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session
  root     18005     1  0 11:55 ?        00:00:00 //bin/dbus-daemon --fork --print-pid 4 --print-address 6 --session

  I reported this first to https://bugs.freedesktop.org/show_bug.cgi?id=74114
  and was told to report it to ubuntu instead.
  Here were some additional comments:

  The symptoms you described probably mean that something running as
  root is either running /usr/bin/dbus-launch, or attempting to access a
  D-Bus session via the autolaunch: transport while under a transient
  X11 session, 4 times every 30 minutes.

  If this machine does not intentionally run an X11 GUI or a D-Bus
  session, uninstalling the dbus-x11 package or making /usr/bin/dbus-
  launch non-executable might work around this. Don't do that if you use
  an X11 GUI environment, though.

  Since 1.4.8, dbus autolaunch has only been effective when DISPLAY is
  set and non-empty, so if this is autolaunch, an X11 session must be
  involved somehow.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: dbus 1.4.18-1ubuntu1.4
  ProcVersionSignature: Ubuntu 3.2.0-58.88-generic 3.2.53
  Uname: Linux 3.2.0-58-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  Date: Mon Jan 27 14:51:19 2014
  MarkForUpload: True
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  SourcePackage: dbus
  UpgradeStatus: No upgrade log present (probably fresh install)

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