Processes Piling up with the lockf state

Hi! I asked this a couple days ago but I forgot to put a subject line in. I'm getting problems with my server locking up after accumulating far too many processes until I have to reboot. The states of the processes are reading either sbwait or lockf when this spiral out of control starts to ha

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Greetings. I am having a problem with processes building up until the server locks up. By viewing top what I'm seeing is it going up to 400 processes with most sleeping and a lot of lockf and sbwait states on the processes. Any idea what would cause this? Thanks! __