If using the alsa backend for qemu makes the symptom go away, it's fairly unlikely that PulseAudio is the culprit, since using the alsa backend still routes through PA on the host due to the pulse alsa-plugin being used.
It might make sense to ship Karmic with that env var (QEMU_AUDIO_DRV=alsa)... -- libvirt sometimes hangs when using pulseaudio https://bugs.launchpad.net/bugs/453453 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs