Index: rc
==================================================================
--- rc
+++ rc
@@ -11,10 +11,14 @@
 
 MAKEINIT="make -D AUTOBOOT -C /etc/mrc -k"
 NCPU=$((`/sbin/sysctl -n hw.ncpu` + 1 ))
 #MAKEDEBUG="-d -nelLx"
 
-mount -t tmpfs tmpfs /etc/mrc/tmp && ${MAKEINIT} -j ${NCPU} ${MAKEDEBUG} -X TMPDIR=/etc/mrc/tmp && umount /etc/mrc/tmp || ${MAKEINIT}
+if mount -t tmpfs tmpfs /etc/mrc/tmp; then
+  ${MAKEINIT} -j ${NCPU} ${MAKEDEBUG} -X TMPDIR=/etc/mrc/tmp && umount -f /etc/mrc/tmp
+else
+  ${MAKEINIT}
+fi
 
 echo ''
 date
 exit 0