[Bug 1623998] Re: pulseaudio Invalid argument error

[John Arbuckle]

I tried using "-device usb-audio"and the guest was able to detect the
USB audio card, but for some reason no audio would play. I did not see
any messages in the terminal about pulseaudio.

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https://bugs.launchpad.net/bugs/1623998

Title:
  pulseaudio Invalid argument error

Status in QEMU:
  Incomplete

Bug description:
  When using qemu-system-ppc on Ubuntu Mate 15 with the usb audio card,
  I see these error messages:

  pulseaudio: set_sink_input_volume() failed
  pulseaudio: Reason: Invalid argument
  pulseaudio: set_sink_input_mute() failed
  pulseaudio: Reason: Invalid argument

  No audio plays. When an attempt is made, QEMU seems to freeze for a
  moment.

  I use "-device usb-audio" to add the usb sound card. This issue is
  present in both emulation and KVM mode.

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