From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: LInux kernel 3.0 sit creation bug report Date: Sun, 24 Jul 2011 10:42:11 +0200 Message-ID: <1311496931.6669.16.camel@edumazet-laptop> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org, davem@davemloft.net To: jsr@dex.edzone.net Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:48748 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752025Ab1GXImQ (ORCPT ); Sun, 24 Jul 2011 04:42:16 -0400 Received: by wwe5 with SMTP id 5so3256969wwe.1 for ; Sun, 24 Jul 2011 01:42:15 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Le samedi 23 juillet 2011 =C3=A0 12:27 -0400, Jay Rouman a =C3=A9crit : > Kernel 3.0 (release version) > Summary: sit tunnel creation fails with "No buffer space available" >=20 > Example: >=20 > icebox:/home/u/jsr(3)# /sbin/ip tunnel add sit0 mode sit local 216.11= 1.203.89 remote 209.51.18.1 ttl 255 > add tunnel sit0 failed: No buffer space available >=20 > icebox:/home/u/jsr(8)# /sbin/ifconfig sit0 inet6 tunnel ::209.51.18.1 > SIOCSIFDSTADDR: No buffer space available >=20 > Notes: >=20 > Oddly, the ifconfig example creates a working sit0. The "ip" example > does not. The problem existed in rc1 but unfortunately I did not tes= t > sit creation then. This was discovered when I upgraded a machine wit= h > an HE tunnel to the 3.0 kernel. I am happy to do further testing or > provide whatever additional info I can. >=20 I believe you use a deprecated (~10 years ago ?) way to setup your tunnel, its not a linux-3.0 new behavior. sit0 is reserved (fall back tunnel), you should use a different name. Try : # ip tunnel add aster mode sit local 216.111.203.89 remote 209.51.18.1 = ttl 255 # ifconfig aster up # ip tunnel sit0: ipv6/ip remote any local any ttl 64 nopmtudisc aster: ipv6/ip remote 209.51.18.1 local 216.111.203.89 ttl 255=20