I found -data worked with earlier versions of Linux but lately generated lots of coasters. What I did find was -sao works and if -sao is used -data is also assumed as being used. I don't normally put a speed parameter in either. Maybe this will help some on this list.
Cut here.
#!/bin/sh # General purpose CD burner script using crecord and mkisofs
If you are interested in CD burning scripts, there are a few at freshmeat.net
Serge