what does this message?

[jose vilmar estacio de souza]

Hi all,
Running speech-dispatcher 0.6.8~unofficial~rc1, I found the following 
message in espeak.log and ibmtts.log:
ALSA: underrun, at least 0ms.
Any idea?
Thanks.

-- 

[]S José Vilmar Estácio de Souza
http://www.informal.com.br
Msn:vilmar at informal.com.br Skype:jvilmar
Twitter: http://www.twitter.com/jvesouza
Phone: +55 21-2555-2650 Cel: +55 21-8868-0859