RH8.0 is not binary compatible with previous Red Hat distributions. You might want to recompile AOLserver -- 3.4 will compile fine on RH8.
The main issue I had was I am using nsssl.so module, which I didn't have the source for. I thought it might not work on an upgrade from 3.4.2 to 3.5.6. But I gave it a try and upgraded. nsssl.so seemed to load, still need to check it.
But once I upgraded, it still segfaulted. Then I remembered the stacksize issue on RH8. My old config file didn't even have a line for that, so I added it, and the segfault went away. The segfaults seem to show up on network related procs. ns_geturl, ns_sockopen so far caused the problem.
So I guess two things to remember is: 1. You can't change the library directory for postgres once you install the plpgsql language, without also changing pg_proc.procsrc value accordingly. 2. Stacksize needs to be set to something above the default on RH8, even for AOLserver 3.4.2.
--Tom Jackson
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