Public bug reported:

After upgrading to (X)Ubuntu 19.04, there is a steady (~85bpm)
popping/clicking noise in headphones when not playing anything. If some
application is playing audio, the popping does not happen, but if
playback stops, the popping returns. Downgrading to 18.10 makes the
noise go away. Also did not happen in 18.04 or 17.10.

Sound hardware:
0a:00.3 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 
00h-0fh) HD Audio Controller
Using the front analog output.

Using "load-module module-udev-detect tsched=0" as suggested in
https://wiki.ubuntu.com/Audio/PositionReporting did not fix the problem.

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


** Tags: kernel-sound

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https://bugs.launchpad.net/bugs/1825754

Title:
  Popping in headphones when no sound is playing after upgrade to ubuntu
  19.04

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