[Bug 1318681] Re: lightdm not started when running the ubuntu-touch x86 emulator

[Steve Langasek]

> Can't reproduce this bug after removing the 'runlevel [!06]' line.

The other thing I notice here is that unlike most events, there is no
'Finished runlevel event' in the log.  Not clear why lightdm would have
blocked, but it looks pretty clear that something has gone amiss with
this event...

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https://bugs.launchpad.net/bugs/1318681

Title:
  lightdm not started when running the ubuntu-touch x86 emulator

Status in “ubuntu-touch-session” package in Ubuntu:
  Fix Released
Status in “upstart” package in Ubuntu:
  New

Bug description:
  How to reproduce:
  sudo ubuntu-emulator create --channel=ubuntu-touch/utopic-proposed --use-raw-disk --arch=i386 --revision=22 test_x86 
  ubuntu-emulator run test_x86 --memory=720

  From time to time upstart doesn't start lightdm, leaving the emulator
  window with just a black screen.

  Here is the lightdm.override file:
  root at ubuntu-phablet:~# cat /etc/init/lightdm.override 
  limit nice 40 40
  oom score -10

  # lightdm job normally waits for plymouth-ready, but since we disable plymouth,
  # we remove that condition from lightdm's start stanza
  start on ((filesystem
             and runlevel [!06]
             and started dbus
             and android)
            or runlevel PREVLEVEL=S)

  And the full boot log with --debug: http://paste.ubuntu.com/7452481/

  You can see from the logs that all required events were sent to
  upstart, but for some reason the job wasn't started. Other jobs
  depending on the same set of events (just not all together) all
  started just fine .

  Can't reproduce this bug after removing the 'runlevel [!06]' line.

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