[Bug 1302955] Re: upstart user session leaks all the dbus events it receives

[Michael Blennerhassett]

This also occurs if you pass --always to upstart-dbus-bridge, so I don't
think it's got anything to do with upstart events/jobs.

I suspect this is a bug in unity-panel-service.  Specifically at
unity/services/panel-service.c:753.  It's using dbus_connection_open()
when it should be using g_dbus_connection_new_...() to get the mainloop
integration.  Without this, upstart hangs onto the dbus messages as they
aren't being read.  (LP: #1235649 )

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Title:
  upstart user session leaks all the dbus events it receives

Status in Unity:
  New
Status in “upstart” package in Ubuntu:
  Confirmed

Bug description:
  Easiest way to see this:
  0. Make sure there is a user session job with a dbus rule (eg unity-greeter-session-broadcast)
  1. Install and run system-load-indicator (indicator-multiload)
  2. Set the update interval to 100ms
  3. Now watch the memory use of init --user increase by 100kb per second
  4. Also open up upstart-monitor to see all the dbus messages being sent

  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: upstart 1.12.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-22.44-generic 3.13.8
  Uname: Linux 3.13.0-22-generic x86_64
  ApportVersion: 2.14-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sat Apr  5 18:17:40 2014
  InstallationDate: Installed on 2013-06-22 (287 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130621)
  SourcePackage: upstart
  UpgradeStatus: Upgraded to trusty on 2013-12-05 (120 days ago)
  UpstartBugCategory: Session
  UpstartRunningSessionCount: 1
  UpstartRunningSessionVersion: init (upstart 1.12.1)
  UpstartRunningSystemVersion: init (upstart 1.12.1)

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