Re: [NetBSD-7] Panic in nfsd

[christos%zoulas.com@localhost (Christos Zoulas)]

On Jan 5, 11:57pm, joel.bertrand%systella.fr@localhost (=?UTF-8?Q?BERTRAND_Jo=c3=abl?=) wrote:
-- Subject: Re: [NetBSD-7] Panic in nfsd

Can you try something like this. Not even compile-tested...


christos

Index: if.c
===================================================================
RCS file: /cvsroot/src/sys/net/if.c,v
retrieving revision 1.318
diff -u -u -r1.318 if.c
--- if.c	31 Aug 2015 08:02:44 -0000	1.318
+++ if.c	6 Jan 2016 15:27:52 -0000
@@ -769,14 +769,20 @@
 	if_down(ifp);
 
 #ifdef ALTQ
+	int error;
 	if (ALTQ_IS_ENABLED(&ifp->if_snd))
-		altq_disable(&ifp->if_snd);
+		if ((error = altq_disable(&ifp->if_snd)) != 0)
+			printf("%s: altq_disable %d\n", ifp->if_xname, error);
 	if (ALTQ_IS_ATTACHED(&ifp->if_snd))
-		altq_detach(&ifp->if_snd);
+		if ((error = altq_detach(&ifp->if_snd)) != 0)
+			printf("%s: altq_detach %d\n", ifp->if_xname, error);
 #endif
 
-	if (ifp->if_snd.ifq_lock)
+	if (ifp->if_snd.ifq_lock) {
 		mutex_obj_free(ifp->if_snd.ifq_lock);
+		printf("%s: setting lock to NULL\n", ifp->if_xname);
+		ifp->if_snd.ifq_lock = NULL;
+	}
 
 	sysctl_teardown(&ifp->if_sysctl_log);