after upgrading to Spamassassin 3.1.1 the spamd daemon crashes after a while (sometimes after 24 h, sometimes after 3 days).
In the logs I found this message:
spamd[7449]: Modification of a read-only value attempted at /usr/share/perl/5.8.4/Mail/SpamAssassin/SpamdForkScaling.pm line 207.
