diff --git a/package/base-files/files/lib/upgrade/stage2 b/package/base-files/files/lib/upgrade/stage2
index 23d356a447..e2259e3472 100755
--- a/package/base-files/files/lib/upgrade/stage2
+++ b/package/base-files/files/lib/upgrade/stage2
@@ -33,6 +33,9 @@ supivot() { # <new_root> <old_root>
 }
 
 switch_to_ramfs() {
+	RAMFS_COPY_LOSETUP="$(command -v losetup)"
+	RAMFS_COPY_LVM="$(command -v lvm)"
+
 	for binary in \
 		/bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount	\
 		pivot_root mount_root reboot sync kill sleep		\
@@ -43,6 +46,7 @@ switch_to_ramfs() {
 		ubiupdatevol ubiattach ubiblock ubiformat		\
 		ubidetach ubirsvol ubirmvol ubimkvol			\
 		snapshot snapshot_tool date				\
+		$RAMFS_COPY_LOSETUP $RAMFS_COPY_LVM			\
 		$RAMFS_COPY_BIN
 	do
 		local file="$(command -v "$binary" 2>/dev/null)"
@@ -60,6 +64,12 @@ switch_to_ramfs() {
 	/bin/mount -o remount,ro /mnt
 	/bin/umount -l /mnt
 
+	[ "$RAMFS_COPY_LOSETUP" ] && losetup -D
+	[ "$RAMFS_COPY_LVM" ] && {
+		mkdir -p /tmp/lvm/cache
+		$RAMFS_COPY_LVM vgchange -aln --ignorelockingfailure
+	}
+
 	grep /overlay /proc/mounts > /dev/null && {
 		/bin/mount -o noatime,remount,ro /overlay
 		/bin/umount -l /overlay