can't start new thread

[jdonnell]

I'm at a loss on this one. I have a multithreaded script that gets
'thread.error: can't start new thread' errors seemingly randomly. I
just got it right after starting the script when it was trying to
create the 5th thread. Usually the script will run for a while before
throwing this error, but sometimes it throws it right away.

This script has worked without a problem for months, but I did make
some changes to it recently. I don't see how those changes would cause
this error though. It's also on a VPS so it's possible that they
changed something in the OS. Does anyone have any suggestions about
possible causes of this error?

I'm using Python 2.2.3 on a custom vps version of FC1.