Load rtc-cmos if needed, Gentoo #235647 thanks to Robin Johnson.

init.d/hwclock.in

@@ -74,8 +74,12 @@ start()
 	fi
 
 	ebegin "Setting system clock using the hardware clock [${utc}]"
-	if [ -e /proc/modules -a ! -e /dev/rtc ]; then
-		modprobe -q rtc || modprobe -q genrtc
+	local rtc=
+	for rtc in /dev/rtc /dev/rtc[0-9]*; do
+		[ -e "${rtc}" ] && break
+	done
+	if [ ! -e "${rtc}" -a -e /proc/modules ]; then
+		modprobe -q rtc-cmos || modprobe -q rtc || modprobe -q genrtc
 	fi
 
 	if [ -e /etc/adjtime ] && yesno ${clock_adjfile}; then