[Bug 1923737] [NEW] TLP aggressively suspends active USB audio devices when on AC

[Martin Wimpress ]

Public bug reported:

Expected behaviour:

When running Ubuntu 21.04 on desktop hardware any active USB audio
devices should not be suspended while playing/recording audio.

Actual behaviour:

When running Ubuntu 21.04 on desktop hardware active USB audio devices
that are playing/recording audio are suspended after a few seconds.

This upstream bug appears relevant and seems to lay the blame elsewhere,
perhaps the kernel.

  * https://github.com/linrunner/TLP/issues/545

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

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

** Affects: ubuntu-mate-settings (Ubuntu)
     Importance: Critical
     Assignee: Martin Wimpress  (flexiondotorg)
         Status: Fix Committed

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-mate-settings (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: ubuntu-mate-settings (Ubuntu)
       Status: New => In Progress

** Changed in: ubuntu-mate-settings (Ubuntu)
   Importance: Undecided => Critical

** Changed in: ubuntu-mate-settings (Ubuntu)
     Assignee: (unassigned) => Martin Wimpress  (flexiondotorg)

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https://bugs.launchpad.net/bugs/1923737

Title:
  TLP aggressively suspends active USB audio devices when on AC

Status in linux package in Ubuntu:
  New
Status in tlp package in Ubuntu:
  New
Status in ubuntu-mate-settings package in Ubuntu:
  Fix Committed

Bug description:
  Expected behaviour:

  When running Ubuntu 21.04 on desktop hardware any active USB audio
  devices should not be suspended while playing/recording audio.

  Actual behaviour:

  When running Ubuntu 21.04 on desktop hardware active USB audio devices
  that are playing/recording audio are suspended after a few seconds.

  This upstream bug appears relevant and seems to lay the blame
  elsewhere, perhaps the kernel.

    * https://github.com/linrunner/TLP/issues/545

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