From owner-freebsd-net@FreeBSD.ORG Fri May 28 17:36:49 2010 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0A6311065673 for ; Fri, 28 May 2010 17:36:49 +0000 (UTC) (envelope-from quakelee@geekcn.org) Received: from tarsier.geekcn.org (tarsier.geekcn.org [IPv6:2001:470:a803::1]) by mx1.freebsd.org (Postfix) with ESMTP id 9FF648FC1A for ; Fri, 28 May 2010 17:36:47 +0000 (UTC) Received: from mail.geekcn.org (tarsier.geekcn.org [211.166.10.233]) by tarsier.geekcn.org (Postfix) with ESMTP id 7F8D5A5A29C for ; Sat, 29 May 2010 01:36:46 +0800 (CST) X-Virus-Scanned: amavisd-new at geekcn.org Received: from tarsier.geekcn.org ([211.166.10.233]) by mail.geekcn.org (mail.geekcn.org [211.166.10.233]) (amavisd-new, port 10024) with LMTP id n5qof5cATPMn for ; Sat, 29 May 2010 01:36:40 +0800 (CST) Received: from quakelee-work (unknown [222.131.112.223]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by tarsier.geekcn.org (Postfix) with ESMTPSA id 7E0F7A6BC4C for ; Sat, 29 May 2010 01:36:40 +0800 (CST) DomainKey-Signature: a=rsa-sha1; s=default; d=geekcn.org; c=nofws; q=dns; h=content-type:to:date:subject:mime-version: content-transfer-encoding:from:organization:message-id:user-agent; b=RAQZZpPvqhRPktuwwdCuknJ2OmCXqYtu1WBlgFXzolPQ2wHPCfF9NO9NOfK2FKV6P FcGzSfhxXZk93FIdGSeuA== Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes To: freebsd-net@freebsd.org Date: Sat, 29 May 2010 01:36:34 +0800 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Chao Shin" Organization: GeekCN Message-ID: User-Agent: Opera Mail/10.51 (Win32) Subject: panic: rtqkill route really not free on freebsd 8.0-release X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 May 2010 17:36:49 -0000 Hi all, I have four heavy load mysql database servers which system is 8.0-release got "panic: rtqkill route really not free" this week. We have a gateway set up by OpenBSD have a icmp route redirect function between two subnets, I suspect the FreeBSD panic at trying to delete routes sent from that gateway. So I set sysctl net.inet.icmp.drop_redirect=1, no more panic in past 24 hours. I guess maybe miss some locks or wrong delete route path in 8.0-release. Did any one meet this problem before? -- The Power to Serve