I get this message when trying to launch xawtv... I have a pinnacle card=39 running debian etch

This is xawtv-3.95.dfsg.1, running on Linux/i686 (2.6.18-4-686)
X Error of failed request: XF86DGANoDirectVideoMode
Major opcode of failed request: 136 (XFree86-DGA)
Minor opcode of failed request: 1 (XF86DGAGetVideoLL)
Serial number of failed request: 67
Current serial number in output stream: 67

Thanks for help!
Ciao
Ema