kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.1 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc4-unstable/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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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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