Virtualbox and Pulseaudio

Why won't my virtual machine talk to the audio system on my linux box?
Duh! The pulseaudio daemon must be running as the desktop owner to work properly and I was running the VirtualBox guest as root.

    root> chown simonh:simonh /scratch/XPSP2.vdi

and

    root> cp -r /root/.VirtualBox /home/simonh/.VirtualBox
    root> chown -R simonh:simonh /home/simonh/.VirtualBox

Then start the guest as simonh.
And, in case the pulseaudio falls over:
```
    simonh> /usr/bin/start-pulseaudio-x11
```
then restart the VirtualBox guest. . .
Why does video playback in the guest, after pulsaudio has crashed, stutter very badly? Probably because it's still trying to talk to the original pulseaudio daemon. Bollox. Means a restart of the guest after a restart of pulseaudio daemon.
Why does the daemon keep crashing? According the bugzilla on redhat its a driver issue. Perhaps I should not have the testing repo enabled? Try one of the older kernels. . .

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