[make haste]

i have pt 6.8 on a dual processor G4 i am not being able to submix my track to another track wit the busses i send the ouput of a stero drum track to buss 1-2 and i put buss 1-2 on the input part of a stero audio track and i cant get the new stero track to recieve signal and i know how this is supposed to work but for some reason its just not working if anyone knows how i can solve this i would be very thankfull for the help everything in my I/O prefrences looks normal i just dont know whats going on
thanks for the help
ryan