Occassional httpd hangs

Over the last two weeks or so, I find my Subversion server hung
and it won't respond to svn requests. In this state, a request
for the normal HTML home page won't elicit a response.

A little snooping shows that there are 152 httpd processes on
the system and MaxClients is set to 150.

My server doesn't get that much traffic, so this is really odd.

I've attached strace to the master process and to one of the
children, but they are just running select() forever.

Has anybody else seen something similar?

Any hints on how to debug this?

I'm on RedHat 8.0 with db 4.1.2{4,5}. I've been using db 4.1.24
for many months with no issues.

Best,
Blair

-- 
Blair Zajac <blair@orcaware.com>
Plots of your system's performance - http://www.orcaware.com/orca/
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