Hello. Im use Icecast2 + liquidsoap
 Mount points:
- /stream
- /autodj
- /crazyklub

On crazyklub mountpoint i setup "Mountpoint Relaying". This work, but eg 5minut and server is down.

There is the log. what is the problem?

http://pastebin.com/KGRgX4dJ

I suspect that the sum of the bitrates from all your station's mount points are exceeding the station's total bitrate limit. This is causing Centova Cast to constantly stop your station, every 5 minutes.