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[Bug 1536662] Re: [regression] Mir blocks at system boot due to reading from /dev/random

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>
Date: Mon, 01 Feb 2016 01:50:06 -0000
Reply-to: Bug 1536662 <1536662@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: mir
    Milestone: 0.19.0 => 0.20.0

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https://bugs.launchpad.net/bugs/1536662

Title:
  [regression] Mir blocks at system boot due to reading from /dev/random

Status in Mir:
  Confirmed
Status in Unity System Compositor:
  In Progress
Status in mir package in Ubuntu:
  New

Bug description:
  cookie_factory attempts to read data from /dev/random at boot, and
  blocks until it has enough random data or timesout after 30 seconds.

  How I can reproduce
  1. Run the Unity8 greeter as a mir server
  2. Reboot

  Expected behavior: Greeter is displayed as mir && USC run happily
  Actual behavior: Mir throws an exception after 30 seconds

  Work-around: Play with the trackpad at bootup to generate entropy.

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