On Mon, 4 Nov 2002, Terry Lambert wrote: > Kelly Yancey wrote: > > It doesn't matter. It isn't just DNS lookups, mountd fails to run too > > because it cannot connect to portmap via localhost. Oddly, in both cases > > sendto() is returning with errno = 49 (EADDRNOTAVAIL). I've tracked it down > > to this code in sys/netinet/ip_output.c: > > > > /* 127/8 must not appear on wire - RFC1122. */ > > if ((ntohl(ip->ip_dst.s_addr) >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET || > > (ntohl(ip->ip_src.s_addr) >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET) { > > if ((ifp->if_flags & IFF_LOOPBACK) == 0) { > > ipstat.ips_badaddr++; > > error = EADDRNOTAVAIL; > > goto bad; > > } > > } > > > > Which was last modified in revision 1.150 back in February. However, I > > still don't see how adding an extra counter to the sockbuf could possibly > > change the set of events required to get to this code, but it is certainly > > what is causing EADDRNOTAVAIL to be returned. Needless to say, I'm still > > researching it. > > Pretty clear, I should think: > > IF the source address is a loopback address > OR the destination address is a loopback address > THEN > IF the interface does not have the IFF_LOOBACK flag > return EADDRNOTAVAIL > > ...pretty clearly, the new loopback interface doe not set the flag > IFF_LOOPBACK on the interface, as it is supposed to do. > > -- Terry >
No, it turns out I'm an idiot: somehow the address on loopback got deleted so it was trying to use my default route. So I was on a wild goose chase. :| Oddly enough, though, once I re-added 127.0.0.1/8 to my localhost: # cat resolv.conf search nttmcl.com nameserver 127.0.0.1 # ps auwwwx | grep named root 320 0.0 0.8 2600 2160 ?? Is 5:11PM 0:00.03 named # ping www.freebsd.org PING www.freebsd.org (216.136.204.117): 56 data bytes 64 bytes from 216.136.204.117: icmp_seq=0 ttl=50 time=16.343 ms 64 bytes from 216.136.204.117: icmp_seq=1 ttl=50 time=8.764 ms ^C --- www.freebsd.org ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max/stddev = 8.764/12.553/16.343/3.789 ms # ping www.yahoo.com <blocks forever> Go figure. I've said it before and I'll say it again...I'm working on it. :| Kelly -- Kelly Yancey -- kbyanc@{posi.net,FreeBSD.org} "Though [the people] may acquiesce, they cannot approve what they do not understand." --Thomas Jefferson, 1792. To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message