From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 5 May 2001 19:30:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 5 May 2001 19:30:03 -0400 Received: from pizda.ninka.net ([216.101.162.242]:39831 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Sat, 5 May 2001 19:29:43 -0400 From: "David S. Miller" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15092.36065.805800.935258@pizda.ninka.net> Date: Sat, 5 May 2001 16:29:37 -0700 (PDT) To: kernel@stirfried.vegetable.org.uk (Tim Haynes) Cc: linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: ipv6 activity causing system hang in kernel 2.4.4 In-Reply-To: <871yq3mllw.fsf@straw.pigsty.org.uk> In-Reply-To: <871yq3mllw.fsf@straw.pigsty.org.uk> X-Mailer: VM 6.75 under 21.1 (patch 13) "Crater Lake" XEmacs Lucid Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Try this patch, posted the other day. I bet if you inspected, you'd find OOPSes in your logs: --- ../vanilla/linux/net/ipv6/ndisc.c Thu Apr 26 22:17:26 2001 +++ net/ipv6/ndisc.c Fri May 4 18:44:54 2001 @@ -394,7 +382,7 @@ int send_llinfo; len = sizeof(struct icmp6hdr) + sizeof(struct in6_addr); - send_llinfo = dev->addr_len && ipv6_addr_type(saddr) != IPV6_ADDR_ANY; + send_llinfo = dev->addr_len && saddr && ipv6_addr_type(saddr) != IPV6_ADDR_ANY; if (send_llinfo) len += NDISC_OPT_SPACE(dev->addr_len);