Index: kern/vfs_syscalls.c
===================================================================
RCS file: /cvs/src/sys/kern/vfs_syscalls.c,v
retrieving revision 1.145
diff -u -r1.145 vfs_syscalls.c
--- kern/vfs_syscalls.c	22 Jan 2008 14:33:40 -0000	1.145
+++ kern/vfs_syscalls.c	21 May 2008 19:56:01 -0000
@@ -448,7 +448,7 @@
 	mp->mnt_vfc->vfc_refcount--;
 
 	if (!LIST_EMPTY(&mp->mnt_vnodelist))
-		panic("unmount: dangling vnode");
+		printf("unmount: dangling vnode\n");
 
 	vfs_unbusy(mp);
 	free(mp, M_MOUNT);