? kern_exit.c.debug
? kern_exit.c.good
? kern_fork.c.works
? kern_sig.c.debug
? kern_sig.c.new
? kern_sig.c.older
? kern_sig.c.sigget
? old
? swap.diff
Index: vfs_mount.c
===================================================================
RCS file: /cvsroot/src/sys/kern/vfs_mount.c,v
retrieving revision 1.42
diff -u -u -r1.42 vfs_mount.c
--- vfs_mount.c	14 Dec 2016 15:46:57 -0000	1.42
+++ vfs_mount.c	14 Mar 2017 08:24:48 -0000
@@ -90,6 +90,8 @@
 #include <sys/vfs_syscalls.h>
 #include <sys/vnode_impl.h>
 
+#include <uvm/uvm_swap.h>
+
 #include <miscfs/genfs/genfs.h>
 #include <miscfs/specfs/specdev.h>
 
@@ -1041,6 +1043,14 @@
 		return;
 	}
 
+#if defined(_KERNEL) && !defined(_RUMPKERNEL)
+	/*
+	 * We need to turn off swap first before we unmount
+	 * /dev, because otherwise the spec_vnodes are bad.
+	 */
+	uvm_swap_shutdown(l);
+#endif
+
 	/* Unmount file systems. */
 	vfs_unmountall(l);
 }