Headphones Audio Out Not Delivering Sound

[timoto]

DELL M5510

~ $ cat /proc/asound/cards
 0 [PCH ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xddc28000 irq 128

4.15.0-91
Exhibits no sound via headphones

4.15.0-88
No issue with sound via headphones

*** Collecting problem information

The collected information can be sent to the developers to improve the
application. This might take a few minutes.
........

*** Problem in linux-image-4.15.0-88-generic

The problem cannot be reported:

This is not an official Linux package. Please remove any third party package and try again.

Press any key to continue... ^C

~ $ cat /proc/version_signature > version.log
~ $ sudo lspci -vnvn > lspci-vnvn.log
[sudo] password:
~ $

Not sure why the above commands are not creating the required info.

Thanks

[timoto (timoto)]

~ $ lspci | grep -i audio
00:1f.3 Audio device: Intel Corporation 100 Series/C230 Series Chipset Family HD Audio Controller (rev 31)

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

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 1868134

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

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[timoto (timoto)]

~ $ apport-collect 1868134
ERROR: The python3-launchpadlib package is not installed. This functionality is not available.

[timoto (timoto)]

I loathe messing with Python since it appears to govern quite a bit of functionality in LM.

[timoto (timoto)]

This issue is not present in 4.15.0-96