panic: lock (sleep mutex) vnode interlock not locked

Alexander Kabaev kan at freebsd.org
Wed Aug 10 05:41:41 GMT 2005


On Tue, Aug 09, 2005 at 10:33:12PM +0200, Thierry Herbelot wrote:
> Hello,
> 
> I'm seeing the above panic on two machines (SMP BP6 and a notebook) with 
> recent -Current (certainly "heisenbug" : the same kernel runs happily on the 
> notebook).
> The panic log on the SMP machine follows.
> 
> 	TfH
<SKIP>

Hi,

could you try an patch below?

Index: vfs_subr.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/vfs_subr.c,v
retrieving revision 1.638
diff -u -r1.638 vfs_subr.c
--- vfs_subr.c	6 Aug 2005 01:42:03 -0000	1.638
+++ vfs_subr.c	9 Aug 2005 23:51:44 -0000
@@ -2333,10 +2333,8 @@
 	/*
 	 * Don't vgonel if we're already doomed.
 	 */
-	if (vp->v_iflag & VI_DOOMED) {
-		VI_UNLOCK(vp);
+	if (vp->v_iflag & VI_DOOMED)
 		return;
-	}
 	vp->v_iflag |= VI_DOOMED;
 	/*
 	 * Check to see if the vnode is in use.  If so, we have to call


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