Comment 6 for bug 237443

my system crashes when I try to open several music files at the same time for example (or when I use several applications that have some kind of sound output (i.e. firefox playing a video and totem playing an mp3). It is solved if in sound preferences I change all the options to ALSA instead of pulseaudio) but then the system loses the ability of doing sound mixing. (I'm watching a video in firefox but then if I open a file in totem, I can't hear anything)