added note about FreeBSD /dev/random bug

diff --git a/README b/README
index e37ad3ee006b71b53629571b9941bfeb12070fa6..b521a0f4e8ba3a15bdebb6e4817432a164d49f22 100644 (file)
--- a/README
+++ b/README
@@ -115,6 +115,13 @@ BIND 9.0.0rc2
                for unknown reasons, but the server itself seems to
                run fine.
 
+               On FreeBSD systems, the server logs error messages
+               like "fcntl(8, F_SETFL, 4): Inappropriate ioctl for
+               device".  This is due to a bug in the FreeSBD
+               /dev/random device.  The bug has been reported
+               to the FreeBSD maintainers.  A similar problem is
+               reported to exist on OpenBSD.
+
        If you are upgrading from BIND 8, please read the migration
        notes in doc/misc/migration.