Index: zfs_vfsops.c
===================================================================
--- zfs_vfsops.c	(wersja 197914)
+++ zfs_vfsops.c	(kopia robocza)
@@ -957,8 +957,17 @@
 		 */
 		mutex_enter(&zfsvfs->z_znodes_lock);
 		while (list_head(&zfsvfs->z_all_znodes) != NULL) {
-			msleep(zfsvfs, &zfsvfs->z_znodes_lock, 0,
-			    "zteardown", 0);
+			int err;
+
+			printf("%s: Waiting for vnodes:\n", __func__);
+			for (zp = list_head(&zfsvfs->z_all_znodes); zp != NULL;
+			    zp = list_next(&zfsvfs->z_all_znodes, zp)) {
+				printf("%p\n", ZTOV(zp));
+			}
+			err = msleep(zfsvfs, &zfsvfs->z_znodes_lock, 0,
+			    "zteardown", hz * 5);
+			if (err == EWOULDBLOCK)
+				break;
 		}
 		mutex_exit(&zfsvfs->z_znodes_lock);
 #endif