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[ullix <1456596@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

This laptop came factory preinstalled with Ubuntu, but due to problems
had been modified. Most recent apport info from a few minutes ago is
here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1456585

dmesg output is added. There is about once every second this activity:

[  217.650626] [drm:intel_display_power_put] disabling display
[  217.650632] [drm:hsw_set_power_well] Requesting to disable the power well
[  217.682626] [drm:intel_display_power_get] enabling display
[  217.682631] [drm:hsw_set_power_well] Enabling power well

dmesg output after cold boot, login to the desktop, starting the
terminal, and leaving it for a few minutes is attached.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: utopic

** Attachment added: "dmesg.txt"
   https://bugs.launchpad.net/bugs/1456596/+attachment/4400193/+files/dmesg.txt

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https://bugs.launchpad.net/bugs/1456596

Title:
  DELL XPS 13 (9343) Strange, seemingly perpetual repeat of drm activity

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  This laptop came factory preinstalled with Ubuntu, but due to problems
  had been modified. Most recent apport info from a few minutes ago is
  here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1456585

  dmesg output is added. There is about once every second this activity:

  [  217.650626] [drm:intel_display_power_put] disabling display
  [  217.650632] [drm:hsw_set_power_well] Requesting to disable the power well
  [  217.682626] [drm:intel_display_power_get] enabling display
  [  217.682631] [drm:hsw_set_power_well] Enabling power well

  dmesg output after cold boot, login to the desktop, starting the
  terminal, and leaving it for a few minutes is attached.

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