pkgtools/pbulk scanning phase just hangs on NetBSD-4 RC4
if 'limited_list' is set to not empty filename 
and master_mode=no

sandbox# /usr/pkg_pbulk/bin/bulkbuild  
Warning: All log files of the previous pbulk run will be
removed in 5 seconds. If you want to abort, press Ctrl-C.
rm: /srv/pkgsrc_bulklog: Device busy
Scanning...

-- 
Best regards, Aleksey Cheusov.