[Zope] zope hangs

[Declan Shanaghy]

Since i upgraded to redhat 9.0 ive noticed that zope hangs
a lot.  
It will accept a connection but never sends a response.
Restarting zope fixes the problem for an undetermined time.
Sometimes it'll stay sane for a long time, other times 1 or
2 requests later it hangs.

I dont know if its redhat 9 related, but only since
upgrading has this happened.

Has anyone else seen this?