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[Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1318477

Title:
  XPS 15 9530 wakes from sleep after exactly 24 hours + 3-5 seconds

Status in Dell Sputnik:
  New
Status in “linux” package in Ubuntu:
  New

Bug description:
  This "feels" related to https://bugs.launchpad.net/dell-
  sputnik/+bug/1161962 but there are some differences making me think
  that a new bug is warranted - the aforementioned link relates to Saucy
  on an XPS 13; my instance is Trusty on an XPS 15. The aforementioned
  link indicates a wait of about 40 minutes to resume; this one occurs
  after 24 hours + 3-5 seconds.

  System is an XPS 15 9530, 16 GB RAM, 512 GB SSD. Trusty, fresh install
  from scratch (not an upgrade over Saucy).

  Symptoms: The system will wake itself from sleep after very nearly
  exactly 24 hours, + / - 10 seconds or so. /var/log/pm-suspend.log will
  show this:

  [...]
  Sat May 10 22:08:49 MDT 2014: performing suspend
  Sun May 11 22:08:54 MDT 2014: Awake.
  [..]

  In this case the system has resumed after 24 hours and 5 seconds with
  no user request to do so.

  Steps to reproduce: Suspend machine by closing lid. The system can be
  plugged in to charge while it is suspended, and then subsequently
  unplugged, but the suspend occurs on battery power, and when the
  resume occurs the system is also not plugged in. I have not tested
  other permutations. No other action is necessary. The system will
  randomly resume 24 hours + 3-5 seconds later.

  Observed behavior: As noted above
  Desired behavior: The system does not resume until the lid is opened. 

  Other notes: I have observed this occurring with the laptop in a
  sleeve while on an airplane, which is concerning.

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