[Bug 974938] Re: Process "gsettings" prevents logging in

[Ryan Lortie]

Looking at these traces I have a hard time beleiving this is a
glib/gsettings problem.  It rather looks like some deadlock between
fork() and the ldap nss module...

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https://bugs.launchpad.net/bugs/974938

Title:
  Process "gsettings" prevents logging in

Status in “glib2.0” package in Ubuntu:
  Incomplete

Bug description:
  When I try to login with my newly upgraded Ubuntu 12.04 (development
  branch), nothing happens. It just shows the same empty background that
  LightDm has.

  I have found one solution to get myself logged: If I go to virtual
  console and display what processes I have, there are about six
  processes, and one of them is "gsettings". It does not consume any CPU
  resources, and when I kill it (with -3), the login process immediately
  continues and finally gets me logged in. To my knowledge, gsettings
  comes from package libglib2.0-bin and I have version 2.32.0-1ubuntu1
  of it.

  How to reproduce:
  1 Try to log in.
  2 Wait for several minutes to be sure it is stuck
  3 Go to virtual console and killall -3 gsettings
  4 Logging in immediately continues and finally completes in few seconds

  Possible causes:
  1 I'm using LDAP. My user information comes from LDAP-server, and this has caused lots of other logging problems, thanks to software developers not realizing the fact, that people use stuff like LDAP.
  2 I had some problems when upgrading to 12.04, so that might have screwed things up. The funny thing is, that logging in works on my other PC, which has almost identical system and package configuration. So if you give me some hints, I can try to compare differences between them.

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