[Bug 1900352] [NEW] no sound in spice when VNC enabled

[azrdev]

Public bug reported:

Running Fedora32 with virt-manager → libvirt → qemu  I noticed that I
got no sound in my spice client. The VM is configured with a SPICE-
server and a QXL display, and in addition a VNC display.

Apparently when I remove the VNC display, then the sound is routed just
fine to the spice client: I can hear it, and `G_MESSAGES_DEBUG=all
remote-viewer --spice-debug  spice://localhost:5900` mentions
SpicePlaybackChannel and SpiceRecordChannel. With the VNC server
configured, such messages are missing, and I cannot hear the sound
(which is sent by the guest OS to the virtual hardware).

qemu-4.2.1-1.fc32

** Affects: qemu
     Importance: Undecided
         Status: New

** Description changed:

  Running Fedora32 with virt-manager → libvirt → qemu  I noticed that I
  got no sound in my spice client. The VM is configured with a SPICE-
  server and a QXL display, and in addition a VNC display.
  
  Apparently when I remove the VNC display, then the sound is routed just
  fine to the spice client: I can hear it, and `G_MESSAGES_DEBUG=all
  remote-viewer --spice-debug  spice://localhost:5900` mentions
  SpicePlaybackChannel and SpiceRecordChannel. With the VNC server
  configured, such messages are missing, and I cannot hear the sound
  (which is sent by the guest OS to the virtual hardware).
+ 
+ qemu-4.2.1-1.fc32

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https://bugs.launchpad.net/bugs/1900352

Title:
  no sound in spice when VNC enabled

Status in QEMU:
  New

Bug description:
  Running Fedora32 with virt-manager → libvirt → qemu  I noticed that I
  got no sound in my spice client. The VM is configured with a SPICE-
  server and a QXL display, and in addition a VNC display.

  Apparently when I remove the VNC display, then the sound is routed
  just fine to the spice client: I can hear it, and
  `G_MESSAGES_DEBUG=all remote-viewer --spice-debug
  spice://localhost:5900` mentions SpicePlaybackChannel and
  SpiceRecordChannel. With the VNC server configured, such messages are
  missing, and I cannot hear the sound (which is sent by the guest OS to
  the virtual hardware).

  qemu-4.2.1-1.fc32

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