It looks like the python 2.5 port is failing to actually link with a
threading library on 7.0 i386.  I was having issues with psycopg2 causing
python to hang in state ucond when loaded on one machine and after a bunch of
investigation discovered that while python was set to link with threads, ldd on
python didn't show a threading library:

/usr/local/bin/python:
        libutil.so.7 => /lib/libutil.so.7 (0x28157000)
        libm.so.5 => /lib/libm.so.5 (0x28164000)
        libc.so.7 => /lib/libc.so.7 (0x28179000)

I replicated this on another i386 machine, but only after discovering this
isn't the case on a couple amd64 machines:

/usr/local/bin/python:
        libutil.so.7 => /lib/libutil.so.7 (0x80070e000)
        libm.so.5 => /lib/libm.so.5 (0x80081d000)
        libthr.so.3 => /lib/libthr.so.3 (0x800937000)
        libc.so.7 => /lib/libc.so.7 (0x800a4d000)

Adjusting the postgres config the not link against libthr (via libintl)
seems to have fixed the problem I was seeing which leads me to belive
this really is a threading support issue.

-- Brooks

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