On Thu, Nov 24, 2011 at 9:43 AM, Peter Maydell <peter.mayd...@linaro.org> wrote: > On 23 November 2011 16:01, Gerd Hoffmann <kra...@redhat.com> wrote: >> On 11/19/11 20:40, Stefan Hajnoczi wrote: >>> Audacity running inside the guest freezes and does not record audio >>> unless I move the mouse. Somehow it seems USB iso urbs aren't being >>> pumped unless I keep moving the mouse. The VM is using VNC. >> >> I have no idea how moving the mouse could possibly help here. > > Something went into USB suspend and the mouse can wake it > back up but the audio source can't, maybe? (wild guess)
I guess what's special about the audio is that it uses isochronous messages, not interrupt or bulk like many other devices. Stefan
