Index: libexec/rc/rc.d/abi
===================================================================
--- libexec/rc/rc.d/abi
+++ libexec/rc/rc.d/abi
@@ -41,6 +41,30 @@
 		fi
 		rm -rf ${_tmpdir}
 	fi
+
+	mount -t linprocfs linprocfs /compat/linux/proc
+	if [ "$?" -ne 0 ]; then
+		warn "unable to mount /compat/linux/proc"
+	fi
+
+	mount -t linsysfs linsysfs /compat/linux/sys
+	if [ "$?" -ne 0 ]; then
+		warn "unable to mount /compat/linux/sys"
+	fi
+
+	# If /compat/linux/dev exists, it will shadow /dev for Linux binaries.
+	if [ -e "/compat/linux/dev" ]; then
+		warn "/compat/linux/dev should not exist"
+	fi
+
+	# XXX: We could mount tmpfs instead, but there is no easy way
+	#      to create the /dev/shm mountpoint.
+	if [ ! -e "/dev/shm" ]; then
+		ln -s /tmp /dev/shm
+		if [ "$?" -ne 0 ]; then
+			warn "unable to create /dev/shm"
+		fi
+	fi
 }
 
 abi_start()