Re: inconsistant regression test results... - Mailing list pgsql-general

I said:
> The fork-failed messages suggest very strongly that you are running out
> of kernel resources when you get more than a dozen or so server
> processes going.  Perhaps you are too low on swap space, or need to
> enlarge the kernel's file table size.

It's also possible that you are hitting a kernel limit on number of
processes for a single user ID.  See the TIP near the bottom of
http://www.ca.postgresql.org/users-lounge/docs/7.2/postgres/regress-run.html

            regards, tom lane