At 11:23 AM +0200 10/18/01, Harti Brandt wrote:
>On Thu, 18 Oct 2001, Max Khon wrote:
>MK>hi, there!
>MK>On Thu, Oct 18, 2001 at 12:00:52AM +0200, Jose M. Alcaide wrote:
>MK>> On Wed, Oct 17, 2001 at 12:11:45PM -0700, Julian Elischer wrote:
>MK>> > I've seen this when DHCP fails to allocate an address.
>MK>> >
>MK>> But I am not using DHCP. Maybe there are other machines in the LAN (it is
>MK>> a *big* LAN) trying to get their addresses using DHCP, and now -CURRENT
>MK>> shows a message whenever detects one of those packets. I will try to
>MK>> identify the senders (over 40!).
>MK>> Anyway, these "" ARP messages are new in -CURRENT, and none of our
>MK>> machines running FreeBSD 4.x show them.
>MK>how current -CURRENT are you running?
>I have these two on a yesterday's current and remember that they appeared
>after I saw a commit message approx. 2 weeks ago about adding hashing of
>inet addresses (maybe rev. 1.83 of if_ether.c).

Yes, it does appear to be due to this commit. The first address on the
interface queue has an address of Here's a patch that works for
me to block the messages. I'm guessing at the correct behavior so use at
your own risk. At least the voices^Wlog messages have stopped. :-)


Index: if_ether.c
RCS file: /cvs/freebsd/src/sys/netinet/if_ether.c,v
retrieving revision 1.85
diff -u -r1.85 if_ether.c
--- if_ether.c  2001/10/17 18:07:05     1.85
+++ if_ether.c  2001/10/19 23:53:44
@@ -593,15 +593,19 @@
                    isaddr.s_addr == ia->ia_addr.sin_addr.s_addr)
                        goto match;
-        * No match, use the first address on the receive interface
-        * as a dummy address for the rest of the function.
+        * No match, use the first non- address on the receive
+        * interface as a dummy address for the rest of the function.
-       ifa = TAILQ_FIRST(&ifp->if_addrhead);
-       if (ifa == NULL) {
-               m_freem(m);
-               return;
-       }
-       ia = ifatoia(ifa);
+       TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link)
+               if (ifatoia(ifa)->ia_addr.sin_addr.s_addr != 0) {
+                       ia = ifatoia(ifa);
+                       goto match;
+               }
+       /* No applicable interface/address so bail... */
+       m_freem(m);
+       return;
        myaddr = ia->ia_addr.sin_addr;
        if (!bcmp(ar_sha(ah), IF_LLADDR(ifp), ifp->if_addrlen)) {

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