kernel-packages team mailing list archive

[Eric Baumann <1434963@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

After first install of Ubuntu 14.04.2 LTS on brand-new HP Zbook 15 G2 I
wanted to listen to music. Sound works. However, there is a constant,
quite strong very annoying noise.

This noise appears only when I use headphones. And the volume of this
noise seems to be independent of the volume I chooses on the system. It
is there permanently.

(it's really annoying, making this perfect machine unusable in this
regard)

 I am using the normal analog 3.5mm headset port on the right hand side.
I can confirm, that it is not a problem of the headphones, I tested it
with 3 different ones. Same result. Annoying noise. It seems to be a mix
of white noise and some other varying frequencies.

Also, if I run the volume all the way down to mute, the noise stops.
(which seems to confirm a software/driver problem right?)

HP claims to support Ubuntu 14.04 on this brand-new workstation !

More info here : http://askubuntu.com/questions/599539/noise-on-
headphones-on-hp-zbook-15-g2-with-ubuntu-14-04-2-or-14-10

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

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https://bugs.launchpad.net/bugs/1434963

Title:
  Noise on headphones with 14.04.2 on HP Zbook 15 G2

Status in linux package in Ubuntu:
  New

Bug description:
  After first install of Ubuntu 14.04.2 LTS on brand-new HP Zbook 15 G2
  I wanted to listen to music. Sound works. However, there is a
  constant, quite strong very annoying noise.

  This noise appears only when I use headphones. And the volume of this
  noise seems to be independent of the volume I chooses on the system.
  It is there permanently.

  (it's really annoying, making this perfect machine unusable in this
  regard)

   I am using the normal analog 3.5mm headset port on the right hand
  side. I can confirm, that it is not a problem of the headphones, I
  tested it with 3 different ones. Same result. Annoying noise. It seems
  to be a mix of white noise and some other varying frequencies.

  Also, if I run the volume all the way down to mute, the noise stops.
  (which seems to confirm a software/driver problem right?)

  HP claims to support Ubuntu 14.04 on this brand-new workstation !

  More info here : http://askubuntu.com/questions/599539/noise-on-
  headphones-on-hp-zbook-15-g2-with-ubuntu-14-04-2-or-14-10

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