ker.ipc.maxpipekva error again and again

[Imran Imtiaz]

I am getting the following messages again and again, why it is accuring and how can I correct and track it?
Dec 27 00:48:00 darkstar kernel: kern.ipc.maxpipekva exceeded; see tuning(7)
Dec 27 00:49:00 darkstar kernel: kern.ipc.maxpipekva exceeded; see tuning(7)
Dec 27 00:51:10 darkstar last message repeated 10 times
Dec 27 01:01:10 darkstar last message repeated 41 times
Dec 27 01:11:10 darkstar last message repeated 42 times
Dec 27 01:21:10 darkstar last message repeated 42 times
Dec 27 01:31:10 darkstar last message repeated 43 times
Dec 27 01:41:10 darkstar last message repeated 42 times
Dec 27 01:51:10 darkstar last message repeated 42 times
Dec 27 02:00:00 darkstar last message repeated 38 times

regards,
Imran Imtiaz