On 11/22/2011 11:17 AM, Spain, Dr. Jeffry A. wrote:
> When bind 9.9.0b2 starts up, the syslog shows the following messages:
>
> Nov 22 10:18:19 nstest2 named[17190]: using default UDP/IPv6 port range:
> [1024, 65535]
> Nov 22 10:18:19 nstest2 named[17190]: listening on IPv6 interfaces, port 53
> Nov 22 10:18:19 nstest2 named[17190]: socket.c:5728: unexpected error:
> Nov 22 10:18:19 nstest2 named[17190]: setsockopt(513, IPV6_V6ONLY) failed:
> Invalid argument
>
I suspect you ran out of available file descriptors. 513 is a suspicious
number. Look to see what your file descriptor limit is. This version may
be leaking file descriptors.
Danny
> The section of bind-9.9.0b2/lib/isc/unix/socket.c referenced in the error
> message is:
> #ifdef IPV6_V6ONLY
> if (sock->pf == AF_INET6) {
> if (setsockopt(sock->fd, IPPROTO_IPV6, IPV6_V6ONLY,
> (void *)&onoff, sizeof(int)) < 0) {
> char strbuf[ISC_STRERRORSIZE];
> isc__strerror(errno, strbuf, sizeof(strbuf));
> UNEXPECTED_ERROR(__FILE__, __LINE__,
> "setsockopt(%d, IPV6_V6ONLY) "
> "%s: %s", sock->fd,
> isc_msgcat_get(isc_msgcat,
> ISC_MSGSET_GENERAL,
> ISC_MSG_FAILED,
> "failed"),
> strbuf);
> }
> }
> FIX_IPV6_RECVPKTINFO(sock); /* AIX */
> #endif
>
> I have reproduced this on Ubuntu 11.04 (Natty) and 11.10 (Oneiric) amd64. The
> error does not occur with bind 9.8.1-P1. This same section of code appears in
> bind-9.8.0-P1/lib/isc/unix/socket.c and is identical to the above. My systems
> are operating in an IPv6/IPv4 dual-stack environment. The configuration file
> named.conf.options contains "listen-on-v6 { any; };". These systems seem to
> respond normally to IPv6 queries. Thanks for any advice you may have about
> how to troubleshoot further. Thanks.
>
> Jeffry A. Spain
> Network Administrator
> Cincinnati Country Day School
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>>
>
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