Virtualbox - no audio - selection greyed out.

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Virtualbox - no audio - selection greyed out.

Post by Flemur » Sun Dec 17, 2017 12:40 pm

Mint 18.3 Xfce host, win7 as a virtualbox guest. I've removed pulseaudio (as always).

I can't set the audio in virtualbox because the GUI is greyed-out; the "Intel HD Audio" listed (but grey) is the wrong device (built-in audio which is disabled in BIOS - ?), it should be an old SoundBlaster.

Everything worked fine in Mint 18.2 (also w/o pulse). Audio works fine in Mint and also in wine applications.

virtualbox Version 5.1.20 r114628 (Qt5.5.1)
I tried the newer version from Oracle (5.2.?) , it wouldn't start with my saved Win7 "guest", complaining about "HDA" (audio).

I get no error messages running from a terminal.

Code: Select all

$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Live [SB Live! 5.1], device 0: emu10k1 [ADC Capture/Standard PCM Playback]
  Subdevices: 32/32

Code: Select all

$ aplay -L
    Discard all samples (playback) or generate zero samples (capture)
    PulseAudio Sound Server
    SB Live! 5.1, ADC Capture/Standard PCM Playback
    Default Audio Device
When trying to create a new "machine" I get

Code: Select all

No audio devices could be opened. Selecting the NULL audio backend with the consequence that no sound is audible.
Error ID: HostAudioNotResponding
Severity: Warning
although the "Audio" GUI is NOT greyed out and I can select "SoundBlaster 16" on it.

Picture is from trying to start existing machine, not create new one ...
Please edit your original post title to include [SOLVED] if/when it is solved!
Your data and OS are backed up....right?
Manjaro openbox/fluxbox/pulse-less
Lubuntu LXDE/fluxbox/pulse-less

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