missed lockdir in package. please, add, create and use %_lockdir/sane instead of /var/lib/lock/sane
and permit write permissions to group `scanner' for %_lockdir/sane
Заодно просьба обновить sane для branch-3.0
fixed in sane-1.0.16-alt2.src.rpm в 3.0-branch отправил его же.