[VBox-users] Missing HDA audio since 5.1.10

[Ingo S. <Ing...@we...>]

Hi,

since I upgraded to 5.1.10, I have no HDA audio any more. Upgrading to
5.1.12 did not help either.

aplay ~/.purple/sounds/greetings.wav
ALSA lib pcm_dmix.c:1029:(snd_pcm_dmix_open) unable to open slave
aplay: main:722: audio open error: No such file or directory

aplay --list-devices
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 1: STAC9221 A1 Digital [STAC9221 A1
Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

aplay --list-pcms
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
iec958:CARD=Intel,DEV=0
    HDA Intel, STAC9221 A1 Digital
    IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=Intel,DEV=1
    HDA Intel, STAC9221 A1 Digital
    Direct sample mixing device
dsnoop:CARD=Intel,DEV=1
    HDA Intel, STAC9221 A1 Digital
    Direct sample snooping device
hw:CARD=Intel,DEV=1
    HDA Intel, STAC9221 A1 Digital
    Direct hardware device without any conversions
plughw:CARD=Intel,DEV=1
    HDA Intel, STAC9221 A1 Digital
    Hardware device with all software conversions

dmesg | grep -i hda
[    6.684387] snd_hda_intel 0000:00:05.0: CORB reset timeout#1, CORBRP = 0
[    6.713067] snd_hda_codec_idt hdaudioC0D0: autoconfig for STAC9221
A1: line_outs=1 (0xe/0x0/0x0/0x0/0x0) type:line
[    6.713071] snd_hda_codec_idt hdaudioC0D0:    speaker_outs=3
(0xc/0xf/0xb/0x0/0x0)
[    6.713073] snd_hda_codec_idt hdaudioC0D0:    hp_outs=1
(0xa/0x0/0x0/0x0/0x0)
[    6.713075] snd_hda_codec_idt hdaudioC0D0:    mono: mono_out=0x0
[    6.713077] snd_hda_codec_idt hdaudioC0D0:    dig-out=0x10/0x0
[    6.713079] snd_hda_codec_idt hdaudioC0D0:    inputs:
[    6.713081] snd_hda_codec_idt hdaudioC0D0:      Mic=0xd
[    6.713083] snd_hda_codec_idt hdaudioC0D0:      CD=0x15
[    6.713085] snd_hda_codec_idt hdaudioC0D0:    dig-in=0x11
[    6.731648] input: HDA Intel Mic as
/devices/pci0000:00/0000:00:05.0/sound/card0/input7
[    6.731748] input: HDA Intel Line Out as
/devices/pci0000:00/0000:00:05.0/sound/card0/input8
[    6.731844] input: HDA Intel Front Headphone as
/devices/pci0000:00/0000:00:05.0/sound/card0/input9
[    6.731977] input: HDA Intel Speaker Front as
/devices/pci0000:00/0000:00:05.0/sound/card0/input10
[    6.732165] input: HDA Intel Speaker Surround as
/devices/pci0000:00/0000:00:05.0/sound/card0/input11
[    6.732261] input: HDA Intel Speaker CLFE as
/devices/pci0000:00/0000:00:05.0/sound/card0/input12
[    6.732371] input: HDA Intel SPDIF In as
/devices/pci0000:00/0000:00:05.0/sound/card0/input13

As a side note, before 5.1.10, I got just a short piece from the
beginning of each audio file, but that was somewhat acceptable to my use
case.

After writing all the above, I remembered, that I could select a
different hardware emulation. Changing to ICH AC97 helped. Audio is fine
with this setup.

Regards
Ingo