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The initial login on my Ubuntu 12.04 machine can take anywhere from 45 seconds to two minutes. If I log out, then log back in again, the login time takes between 4 and 7 seconds.

How can I find out what it making that initial login take so long?

  • I'm using LightDM.
  • I consider login to be the time from hitting Enter in the LightDM password prompt to the UI appearing in my X session.
  • The delay occurs regardless of window manager (I'm using Unity, but the initial Gnome 2 login takes just as long)

EDIT Here's the output of bootchart: Full boothchart output

Here's a close-up of the interesting bits: enter image description here

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