Note that si_addr may be inaccurate on certain architectures.

Example: i386/amd64 alignement fault can drive to SIGBUS (when configured
so by process), however the faulty address returned by the CPU is not
reliable.

Bump date.

share/man/man2/siginfo.2

@@ -1,4 +1,4 @@
-.\"	$NetBSD: siginfo.2,v 1.5 2010/07/26 12:50:52 christos Exp $
+.\"	$NetBSD: siginfo.2,v 1.6 2012/04/23 17:44:39 jym Exp $
 .\"
 .\" Copyright (c) 2003 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd July 26, 2010
+.Dd April 23, 2012
 .Dt SIGINFO 2
 .Os
 .Sh NAME
@@ -280,6 +280,11 @@ contains the address of the faulting data and
 .Fa si_trap
 contains a hardware specific reason.
 .Pp
+For some architectures
+the value of
+.Fa si_addr
+may be inaccurate.
+.Pp
 For
 .Dv SIGPOLL
 the