HD audio problem on FreeBSD 12.1 bhyve VM

[Peter Grehan]

Hi Ali,

> It doesn't work for me... See below.
...
> I'm booting with the following script.
> 
> VM=freebsd12.1
> ifconfig tap1 up
> bhyve -AHP -s 0:0,hostbridge -s 1:0,lpc \
> -s 2:0,virtio-net,tap1 -s 3:0,virtio-blk,./disk.img \
> -c 1 -m 4096M \
> -s 19,xhci,tablet \
> -s 11,fbuf,tcp=0.0.0.0:5920,w=1280,h=1024,wait \
> -s 20,hda,play=/dev/dsp0,rec=/dev/dsp0 \
> -l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd \
> $VM
> bhyvectl --destroy --vm=$VM

  Does removing the 'rec=/dev/dsp0' make any difference ?

>> Audio on the Thinkpad host is:
>>
>> grehan at carbon-usb:/images $ cat /dev/sndstat
>> Installed devices:
>> pcm0: <Realtek ALC285 (Analog 2.0+HP/2.0)> (play/rec) default
>> pcm1: <Realtek ALC285 (Right Analog Mic)> (rec)
>> pcm2: <Intel Kaby Lake (HDMI/DP 8ch)> (play)
>>
> 
> I have the issue on my daily driver, a Thinkpad T430. But also tested on
> my x220, same issue, only noise. However, sound works perfectly fine
> on OpenSUSE guest.

  What does 'cat /dev/sndstat' show on your 430/x220 ?

later,

Peter.