[Asterisk-Users] error from asterisk

[Preeti Gopalan]

I am A few hours old with Asterisk. 
When I start up the Asterisk Server I get this error, 
*CLI> Jul 27 00:58:18 WARNING[1150495040]: chan_oss.c:268 sound_thread:
Read error on sound device: Resource temporarily unavailable 
Jul 27 00:58:24 WARNING[1150495040]: chan_oss.c:268 sound_thread: Read
error on sound device: Resource temporarily unavailable

Could anyone tekll me What this means ?
Thanks 
Preeti

Preeti Gopalan
404-526-6056