kernel-packages team mailing list archive

[ullix <1456596@xxxxxxxxxxxxxxxxxx>]

Christopher,

I am not sure I understand, what exactly you want.

On the kernels which I have tried so far, I got these results: (bad=the
bug exists as reported here, good= that bug NOT present)

3.13.0-52-generic ---- bad
3.13.0.53-generic ---- bad
3.16.0-37-generic ---- bad
3.16.0.38-generic ---- bad
3.19.0-18-generic ---- good
4.1-rc4 ------------------- good  (but wl module did not build)

I am staying with kernel 3.19 for the time being - does not seem to have
severe regressions over the other kernels :-/

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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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