> alsa-info.txt.emjvPQt12g Edit (20.8 KiB, text/plain) 

> alsa-info.sh output attached. Please, take a look.

post the pulseaudio verbose log

you have the mpu-401 uart for the builtin midi interface


Card hw:1 'UART'/'MPU-401 UART at 0x330, irq 10'
  Mixer name    : ''
  Components    : ''
  Controls      : 0
  Simple ctrls  : 0

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1066062

Title:
  [quantal] Sound volume changes without user interaction

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  
  I can listen to the sound but automatically the sound is getting increased 
and decreased spontaneously.

  Some times popping up some error, as I am new to this it's very
  difficult to troubleshoot. Some please advice on this.....

  What action should I need to take?  Mail ID is
  optimous.prim...@gmail.com.

To manage notifications about this bug go to:
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