spamassassin 2.60 to 2.64 initial nonspam test fails

[Obantec Support]

Hi

I have upgraded from 2.60 to 2.64 but the test
spamassassin -t < sample-nonspam.txt > nonspam.out locks up.
spamassassin -t < sample-spam.txt > spam.out works as expected.

Any ideas?

Mark