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[fINTiP <1474173@xxxxxxxxxxxxxxxxxx>]

This was me listing the same bug with verbose alsa output, instead,
before I realized it was pulseaudio. I ended up reinstalling at the time
because I got an SSD. I had gotten the same problem after installing
skype and going through the same solution, but at the time I didn't
realize that skype was the cause. It was marked as answered, but it
never was. (I went through that trouble shooting step this time, and it
did not fix my issue):

https://answers.launchpad.net/ubuntu/+source/alsa-
driver/+question/268878

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https://bugs.launchpad.net/bugs/1474173

Title:
  cannot start pulseaudio daemon after adjusting libGL.so.1 settings for
  skype

Status in pulseaudio package in Ubuntu:
  New

Bug description:
  http://askubuntu.com/questions/648069/if-i-fix-skype-according-to-
  another-au-thread-my-systems-sound-breaks-on-resta

  Installing skype from the partner repositories. Try to start Skype. It
  fails. Search online. Found someone else with same error message.

  Follow instructions in first answer with similar error reported in
  console. This was what I typed:

  update-alternatives --display i386-linux-gnu_gl_conf

  sudo update-alternatives --config i386-linux-gnu_gl_conf

  (switched to /usr/lib/i386-linux-gnu/mesa/ld.so.conf (option "1") from
  these options:

  `  Selection    Path                                        Priority   Status
  ------------------------------------------------------------
    0            /usr/lib/nvidia-304-updates/alt_ld.so.conf   9701      auto mode
  * 1            /usr/lib/i386-linux-gnu/mesa/ld.so.conf      500       manual mode
    2            /usr/lib/nvidia-304-updates/alt_ld.so.conf   9701      manual mode
  `

  then ran `sudo ldconfig`.

  Fixes skype issues! Sound works, skype works.

  Later:

  Restart computer.

  Damn. No ability to adjust sound through pulse, only through
  alsamixer... the sound icon in the top right is greyed out, and system
  settings sound stuff has no effect... and, on top of that, skype sound
  is broken for playback, as well (though it does at least start, which
  is did not do before I used the AU fix listed above).

  ps aux | grep pulseaudio returns nothing, and pulseaudio -D doesn't
  work

  Anyone able to explain what's going on?

  output from running pulseaudio:

  E: [pulseaudio] ltdl-bind-now.c: Failed to open module /usr/lib/pulse-6.0/modules/module-bluetooth-policy.so: /usr/lib/pulse-6.0/modules/module-bluetooth-policy.so: wrong ELF class: ELFCLASS64
  E: [pulseaudio] module.c: Failed to open module "module-bluetooth-policy".
  E: [pulseaudio] main.c: Module load failed.
  E: [pulseaudio] main.c: Failed to initialize daemon.

  The bluetooth is a red herring, I have that intentionally disabled on
  restart. That has not broken the sound before, it wasn't until skype
  that it broke.

  noticed that 'additional drivers' had me set to nvidia proprietary
  driver now, so tried to change that back to X.org Nouveau... That was
  hard, it wouldn't let me (I would restart and it would be right back
  on nvidia). Finally it let me be on nouveau. But I had installed and
  setup bumblebee previously... Maybe that's the source of my problem?
  But sound used to work on nouveau, even... So frustrating...

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