diff -Nru makedumpfile-1.6.5/debian/50-kdump-tools.rules makedumpfile-1.6.5/debian/50-kdump-tools.rules
--- makedumpfile-1.6.5/debian/50-kdump-tools.rules	2019-10-09 15:38:08.000000000 -0300
+++ makedumpfile-1.6.5/debian/50-kdump-tools.rules	2019-12-18 15:13:34.000000000 -0300
@@ -1,4 +1,5 @@
-SUBSYSTEM=="memory", ACTION=="online", PROGRAM="/bin/systemctl try-restart kdump-tools.service"
-SUBSYSTEM=="memory", ACTION=="offline", PROGRAM="/bin/systemctl try-restart kdump-tools.service"
-SUBSYSTEM=="cpu", ACTION=="add", PROGRAM="/bin/systemctl try-restart kdump-tools.service"
-SUBSYSTEM=="cpu", ACTION=="remove", PROGRAM="/bin/systemctl try-restart kdump-tools.service"
+SUBSYSTEM=="memory", ACTION=="online", PROGRAM="/usr/sbin/kdump-config try-reload"
+SUBSYSTEM=="memory", ACTION=="offline", PROGRAM="/usr/sbin/kdump-config try-reload"
+SUBSYSTEM=="cpu", ACTION=="add", PROGRAM="/usr/sbin/kdump-config try-reload"
+SUBSYSTEM=="cpu", ACTION=="remove", PROGRAM="/usr/sbin/kdump-config try-reload"
+SUBSYSTEM=="cpu", ACTION=="online", PROGRAM="/usr/sbin/kdump-config try-reload"
diff -Nru makedumpfile-1.6.5/debian/changelog makedumpfile-1.6.5/debian/changelog
--- makedumpfile-1.6.5/debian/changelog	2019-10-09 15:38:08.000000000 -0300
+++ makedumpfile-1.6.5/debian/changelog	2019-12-18 15:14:00.000000000 -0300
@@ -1,3 +1,17 @@
+makedumpfile (1:1.6.5-1ubuntu1~18.04.4) bionic; urgency=medium
+
+  [ Thadeu Lima de Souza Cascardo ]
+  * Add a reload command. (LP: #1828596)
+  * kdump-config: implement try-reload (LP: #1828596)
+  * udev: hotplug: use try-reload (LP: #1828596)
+  * Use reset_devices as a cmdline parameter. (LP: #1800566)
+
+  [ Guilherme G. Piccoli ]
+  * Add a systemd-resolved service dependency in order kdump-tools is able
+    to resolve DNS when in kdump boot. (LP: #1856323)
+
+ -- Thadeu Lima de Souza Cascardo <cascardo@canonical.com>  Wed, 18 Dec 2019 15:14:00 -0300
+
 makedumpfile (1:1.6.5-1ubuntu1~18.04.3) bionic; urgency=medium
 
   [ Guilherme G. Piccoli ]
diff -Nru makedumpfile-1.6.5/debian/kdump-config.in makedumpfile-1.6.5/debian/kdump-config.in
--- makedumpfile-1.6.5/debian/kdump-config.in	2019-10-09 15:38:08.000000000 -0300
+++ makedumpfile-1.6.5/debian/kdump-config.in	2019-12-18 15:13:00.000000000 -0300
@@ -65,6 +65,7 @@
 sys_fadump_enabled=/sys/kernel/fadump_enabled
 sys_fadump_registered=/sys/kernel/fadump_registered
 kexec_cmd_file=$KDUMP_COREDIR/kexec_cmd
+lock_file=$KDUMP_COREDIR/kdump_lock
 
 # DUMP_MODE = kdump/fadump
 # The default dump mode is kdump.
@@ -891,7 +892,47 @@
 
 }
 
+load()
+{
+	if [ "$DUMP_MODE" == "fadump" ]; then
+		check_fadump_support;
+		fadump_register
+	else
+		check_kdump_support;
+		kdump_create_symlinks $KVER;
+		manage_symlinks;
+		locate_kdump_kernel;
+		kdump_load
+	fi
+}
 
+unload()
+{
+	if [ "$DUMP_MODE" == "fadump" ]; then
+		fadump_unregister
+	else
+		kdump_unload
+	fi
+}
+
+reload()
+{
+	unload
+	load
+}
+
+condreload()
+{
+	local sys_loaded="$sys_kexec_crash"
+	if [ "$DUMP_MODE" == "fadump" ] ; then
+		check_fadump_support
+		sys_loaded="$sys_fadump_registered"
+	fi
+	flock 9
+	if [ -e $sys_loaded -a `cat $sys_loaded` -eq 1 ] ; then
+		reload
+	fi
+}
 
 case "$1" in
   test)
@@ -916,23 +957,16 @@
 	kdump_show
 	;;
   load)
-	if [ "$DUMP_MODE" == "fadump" ]; then
-		check_fadump_support;
-		fadump_register
-	else
-		check_kdump_support;
-		kdump_create_symlinks $KVER;
-		manage_symlinks;
-		locate_kdump_kernel;
-		kdump_load
-	fi
+	load
 	;;
   unload)
-	if [ "$DUMP_MODE" == "fadump" ]; then
-		fadump_unregister
-	else
-		kdump_unload
-	fi
+	unload
+	;;
+  reload)
+	reload
+	;;
+  condreload|try-reload)
+	condreload 9>$lock_file
 	;;
   status)
 	if [ "$DUMP_MODE" == "fadump" ]; then
diff -Nru makedumpfile-1.6.5/debian/kdump-tools-dump.service makedumpfile-1.6.5/debian/kdump-tools-dump.service
--- makedumpfile-1.6.5/debian/kdump-tools-dump.service	2019-10-09 15:38:08.000000000 -0300
+++ makedumpfile-1.6.5/debian/kdump-tools-dump.service	2019-12-18 15:13:52.000000000 -0300
@@ -1,7 +1,7 @@
 [Unit]
 Description=Kernel crash dump capture service
-Wants=network-online.target
-After=network-online.target
+Wants=network-online.target dbus.socket systemd-resolved.service
+After=network-online.target dbus.socket systemd-resolved.service
 
 [Service]
 Type=oneshot
diff -Nru makedumpfile-1.6.5/debian/rules makedumpfile-1.6.5/debian/rules
--- makedumpfile-1.6.5/debian/rules	2019-10-09 15:38:08.000000000 -0300
+++ makedumpfile-1.6.5/debian/rules	2019-12-18 15:12:52.000000000 -0300
@@ -7,7 +7,7 @@
 	SUBSTVARS = -Vdist:Depends="kexec-tools"
 endif
 
-KDUMP_CMDLINE_APPEND = systemd.unit=kdump-tools-dump.service
+KDUMP_CMDLINE_APPEND = reset_devices systemd.unit=kdump-tools-dump.service
 ifeq ($(DEB_HOST_ARCH),arm64)
 	KDUMP_CMDLINE_APPEND += nr_cpus=1
 else ifeq ($(DEB_HOST_ARCH),ppc64el)