What were you trying to do that didn't work?

• Utilize rear audio jack on system.
• Sound output virtually inaudible
• Front output works as expected.

What is the impact of this issue to you?

• Unable to use rear audio jack
• Deployment requires usage of the rear audio jack
• Delays deployment of over 100 systems

Please provide the package NVR for which the bug is seen:

• alsa-lib-1.2.14-1.el9.x86_64
• alsa-sof-firmware-2025.05-1.el9.noarch
• alsa-ucm-1.2.14-1.el9.noarch
• alsa-utils-1.2.14-2.el9.x86_64
• pipewire-alsa-1.0.1-1.el9.x86_64
• kernel 5.14.0-611.5.1.el9_7.x86_64

How reproducible is this bug?:

• By customer (support does not have direct access to identical hardware)

Steps to reproduce

1. Connect headphones or amplified speakers to rear audio jack
2. Raise volume to maximum level
3. Observe weak, near inaudible, output

Expected results

• Full function of audio jack

Actual results

• Unusable audio

Additional notes

• Confirmed full function of rear audio jack in Windows
• System firmware is current
• Confirmed certified hardware: https://catalog.redhat.com/en/hardware/system/detail/145667#certifications