> On 15 Dec 2015, at 23:15, Kristof Provost <k...@freebsd.org> wrote:
> Based on the arp_announce() in the backtrace this commit looks like a
> possible cause.
I see this in arp_announce():
KP: arp_announce() ifp->if_addr = 0
So that explains why we panic in 'lladdr = IF_LLADDR(ifp);’.
I’ve done a very quick hack:
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c
index 2214542..9b25356 100644
--- a/sys/netinet/if_ether.c
+++ b/sys/netinet/if_ether.c
@@ -1246,9 +1246,15 @@ arp_announce(struct ifnet *ifp)
}
IF_ADDR_RUNLOCK(ifp);
- lladdr = IF_LLADDR(ifp);
- for (i = 0; i < cnt; i++) {
- arp_announce_addr(ifp, head + i, lladdr);
+ printf("KP: %s() ifp = %p\n", __FUNCTION__, ifp);
+ printf("KP: %s() ifp->if_addr = %p\n", __FUNCTION__, ifp->if_addr);
+
+ if (ifp->if_addr) {
+ printf("KP: %s() ifp->if_addr->ifa_addr = %p\n", __FUNCTION__,
ifp->if_addr->ifa_addr);
+ lladdr = IF_LLADDR(ifp);
+ for (i = 0; i < cnt; i++) {
+ arp_announce_addr(ifp, head + i, lladdr);
+ }
}
free(head, M_TEMP);
}
With this patch the device boots. I haven’t been able to verify if everything
works because of a different issue ("Shared object "lib80211.so.1" not found,
required by “ifconfig””, no doubt just a small problem with the
freebsd-wifi-build scripts).
Regards,
Kristof
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