tate@ale:~> xawtv
This is xawtv-3.95, running on Linux/x86_64 (2.6.22.5-31-default)
xinerama 0: 1440x900+0+0
X Error of failed request:  XF86DGANoDirectVideoMode
  Major opcode of failed request:  137 (XFree86-DGA)
  Minor opcode of failed request:  1 (XF86DGAGetVideoLL)
  Serial number of failed request:  69
  Current serial number in output stream:  69