and if there are lot of messages similar to
kernel: linux: pid 64067 (skype): linux_sys_futex: op FUTEX_WAIT_REQUEUE_PI not implemented
remove port /usr/ports/audio/linux-c6-pulseaudio-libs and make sure /usr/ports/audio/linux-c6-alsa-plugins-oss is installed (last one might require tweaking /compat/linux/etc/alsa/pcm/pcm-oss.conf)
