From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix von Leitner Subject: socket api problem: can't bind an ipv6 socket to ::ffff:0.0.0.0 Date: Tue, 17 Mar 2009 00:48:10 +0100 Message-ID: <20090316233934.GD32111@codeblau.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: netdev@vger.kernel.org Return-path: Received: from ioctl.codeblau.de ([80.190.240.67]:34174 "EHLO codeblau.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751088AbZCPXyy (ORCPT ); Mon, 16 Mar 2009 19:54:54 -0400 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: Here's an strace: socket(PF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 fcntl(3, F_GETFL) = 0x2 (flags O_RDWR) fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 bind(3, {sa_family=AF_INET6, sin6_port=htons(6969), inet_pton(AF_INET6, "::ffff:0.0.0.0", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, 28) = -1 EADDRNOTAVAIL (Cannot assign requested address) This is supposed to work, and it works on other operating systems, even on Mac OS X. I think it used to work on Linux, too. I'm using 2.6.29-rc7 right now, but others have reported this not working on distro kernels, too. Felix