This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 2039882

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/2039882

Title:
  Kernels 6.x have a regression for Audio via HDMI

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  [Dell Inspiron 16 7610]

  All kernels of 6.x looks to be missing some port of the bug fix from
  5.19

  before and including kernel 5.15 there was a bug that after locking
  the screen and logging back audio via HDMI was disappearing. Later the
  bug was fixed and definitely not present in 5.19

  However, this bug is present in 6.x kernels included in Lunar and
  Mantic as well as in 6.5.7-060507.202310102154

  Currently I rolled back to 5.19 to confirm that this issue is fixed in
  this kernel.

  ```
  cat /proc/version_signature > version.log
  cat: /proc/version_signature: No such file or directory
  ```

  ```
  lsb_release -rd
  No LSB modules are available.
  Description:  Ubuntu 23.10
  Release:      23.10
  ```

  ```
  $ dpkg -l | grep linux-image
  ii  linux-image-6.5.0-9-generic                   6.5.0-9.9                   
            amd64        Signed kernel image generic
  pi  linux-image-generic                           6.5.0.9.11                  
            amd64        Generic Linux kernel image
  pi  linux-image-generic-hwe-22.04                 6.5.0.9.11                  
            amd64        Generic Linux kernel image
  ii  linux-image-unsigned-5.19.17-051917-generic   5.19.17-051917.202210240939 
            amd64        Linux kernel image for version 5.19.17 on 64 bit x86 
SMP
  ii  linux-image-unsigned-6.5.7-060507-generic     6.5.7-060507.202310102154   
            amd64        Linux kernel image for version 6.5.7 on 64 bit x86 SMP

  ```

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