Looks like the answer to my problem was on the Solaris 2 FAQ
http://www.fwi.uva.nl/pub/solaris/solaris.
The answer that works in my situation was that the ipc facilities
are loaded only when they are needed (part of Solaris' dynamic
kernel modification).
You can force them to load as well by adding these lines to
/etc/system:
forceload: sys/msgsys
forceload: sys/semsys
forceload: sys/shmsys
Thanks again.
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