No sound and video after upgrading to Gnome-41. Many /dev/dsp4.x files created in Gnome session

Firstly, I got sound and video working fine in FreeBSD before upgrading to Gnome-4X versions. As a desperate attempt, I switched to KDE Plasma now and sound, video working fine. But, I would prefer to get Gnome-41 with audio working. So, right now in Gnome-41 - no audio working. I would like to try.

Forgot to add: Even videos are not playing in Gnome-41 session. DRI is enabled.

Code:
:~% cat /dev/sndstat           
Installed devices:
pcm0: <Realtek ALC892 (Rear Analog 5.1/2.0)> (play/rec)
pcm1: <Realtek ALC892 (Front Analog)> (play/rec)
pcm2: <Realtek ALC892 (Rear Digital)> (play)
pcm3: <Realtek ALC892 (Rear Digital)> (play)
pcm4: <Intel Cougar Point (HDMI/DP 8ch)> (play) default
No devices installed from userspace.

With Gnome, 5-6 device nodes
(or is it device files?)
as below:
Code:
:~% ll /dev/dsp4. <TAB Press>
dsp4.0%  dsp4.1%  dsp4.2%  dsp4.3%  dsp4.4%
But, with KDE or any other WM, it is only /dev/dsp4.0 and sound works.

In Gnome-41, I tried playing on each dsp nodes; But, no success:
Code:
:~% cat /dev/random > /dev/dsp4.7
cat: stdout: Invalid argument
:~% cat /dev/random > /dev/dsp4.6
cat: stdout: Invalid argument
:~% cat /dev/random > /dev/dsp4.5
cat: stdout: Invalid argument
:~% cat /dev/random > /dev/dsp4.4
cat: stdout: Invalid argument
:~% cat /dev/random > /dev/dsp4.3
zsh: device busy: /dev/dsp4.3
:~% cat /dev/random > /dev/dsp4.2
zsh: device busy: /dev/dsp4.2
:~% cat /dev/random > /dev/dsp4.1
zsh: device busy: /dev/dsp4.1
:~% cat /dev/random > /dev/dsp4.0
cat: stdout: Invalid argument

Anything else to try?

{Both Gnome & KDE sessions dmesg's attached)
 

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