Index: device-mapper.1.02.27/lib/libdm-deptree.c
===================================================================
--- device-mapper.1.02.27.orig/lib/libdm-deptree.c
+++ device-mapper.1.02.27/lib/libdm-deptree.c
@@ -1007,8 +1007,23 @@ int dm_tree_deactivate_children(struct d
 
 		/* Refresh open_count */
 		if (!_info_by_dev(dinfo->major, dinfo->minor, 1, &info) ||
-		    !info.exists || info.open_count)
-			continue;
+                   !info.exists || info.open_count) {
+                       int idx = 0;
+                       while (idx++ < 10) {
+                               struct timespec ts = {0, 500000000};
+                               log_error("Unable to deact, open_count is %" PRIu32, info.open_count);
+                               if (_info_by_dev(dinfo->major, dinfo->minor, 1, &info) &&
+                                               info.exists && !info.open_count) {
+                                       break;
+                               }
+                               nanosleep(&ts, NULL);
+                       }
+                       if (info.open_count) {
+                               log_error("give up on open_count");
+                               continue;
+                       }
+               }
+
 
 		if (!_deactivate_node(name, info.major, info.minor)) {
 			log_error("Unable to deactivate %s (%" PRIu32