Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758941AbYCHEsY (ORCPT ); Fri, 7 Mar 2008 23:48:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750891AbYCHEsP (ORCPT ); Fri, 7 Mar 2008 23:48:15 -0500 Received: from userg500.nifty.com ([202.248.238.80]:36310 "EHLO userg500.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750717AbYCHEsP (ORCPT ); Fri, 7 Mar 2008 23:48:15 -0500 DomainKey-Signature: a=rsa-sha1; s=userg500; d=nifty.com; c=nofws; q=dns; h=date:from:to:cc:subject:message-id:in-reply-to:references: x-mailer:mime-version:content-type:content-transfer-encoding; b=JwzeAHCyuU0rhb68TOeuJJ02rzGVy+4puQh6NhQm8fRNauEuc3p5vwAgS3WUv8RJQ ydiJ+ZmYR/tM/hn4hAtaA== X-Nifty-SrcIP: [219.116.17.165] Date: Sat, 8 Mar 2008 13:44:10 +0900 From: Komuro To: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, yoshfuji@linux-ipv6.org Subject: Re: [BUG kernel 2.6.25-rc3 IPV6] ping6 -I eth0 ff02::1 causes system hang. Message-Id: <20080308134410.69d07a2d.komurojun-mbn@nifty.com> In-Reply-To: <20080302210716.69727582.komurojun-mbn@nifty.com> References: <20071006132601.f944f461.komurojun@nifty.com> <20071014073658.d4352b8c.komurojun@nifty.com> <20080302210716.69727582.komurojun-mbn@nifty.com> X-Mailer: Sylpheed 2.3.1 (GTK+ 2.10.11; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1115 Lines: 45 Hi, >Hmm, I've never seen this on our testlab. Anyone else? Could you send 20(twenty) or more ping packets? >It would be great if you have chance to bisect it...On Sun, 2 Mar 2008 21:07:16 +0900 The bad commit is below. 69cc64d8d92bf852f933e90c888dfff083bd4fc9 is first bad commit commit 69cc64d8d92bf852f933e90c888dfff083bd4fc9 Author: David S. Miller Date: Mon Feb 11 21:45:44 2008 -0800 [NDISC]: Fix race in generic address resolution Frank Blaschka provided the bug report and the initial suggested fix for this bug. He also validated this version of this fix. > Hi, > > On kernel 2.6.25-rc3, IPV6 multicast ping causes system hang > after sending several multicast ping packet. > > >ping6 -I eth0 ff02::1 > > This problem does not happen on kernel 2.6.24. > (does not depend on NIC) Best Regards Komuro -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/