Realplayer11 Gold

[Nehad elgmal]

i tried starting realplayer from terminal it gave me this
noha at ubuntu:~$ realplay
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm_dmix.c:874:(snd_pcm_dmix_open) unable to open slave
/usr/bin/realplay: line 54:  7181 Floating point
exception$HELIX_LIBS/realplay.bin "$@"
noha at ubuntu:~$
so,what does that exactly means??