From owner-freebsd-stable@FreeBSD.ORG Tue Mar 30 18:08:13 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4ABF7106566C for ; Tue, 30 Mar 2010 18:08:13 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from mail-bw0-f216.google.com (mail-bw0-f216.google.com [209.85.218.216]) by mx1.freebsd.org (Postfix) with ESMTP id C34EB8FC18 for ; Tue, 30 Mar 2010 18:08:12 +0000 (UTC) Received: by bwz8 with SMTP id 8so5859982bwz.3 for ; Tue, 30 Mar 2010 11:08:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:received:from:date:to:cc :subject:message-id:reply-to:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=p+ObYbxLOCKlgPmBU+7cphQbmcmpixen7wOi5G/gbtE=; b=Kjp/9cDZvSpoDzxx45fCAO7i5VGfhOrLf/YT+meHL8DuiXSKjb/0g8ReKcOKIgcqSS C+395thPEMPwS1w2qcHbaMR1+Qh347g3/uqWAhCJf0KWvIw8cY7JyNjZI0chu6ob9uEM veVvkrnHQKTF6u/eXr7WBh7iR8ZHyfqw8/L1k= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:date:to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=R0CHv2Dv9Aea/pxXD2omxDpgO6O82hbhIxLhYtO5Rf/bVEwsUcdEu59crCN0wum42j eowmwB0paz/WRwK6kJ7h9kO+fNKkgwzZqViZT0XsAgSDBJWIRT6KJQZFdCVYjkzDolPq Tl6oLhY0A5ZrLCEldQphp7isTcxMrbdI2Z8ho= Received: by 10.204.136.208 with SMTP id s16mr2183046bkt.20.1269972491123; Tue, 30 Mar 2010 11:08:11 -0700 (PDT) Received: from pyunyh@gmail.com ([174.35.1.224]) by mx.google.com with ESMTPS id 16sm2967539bwz.13.2010.03.30.11.08.05 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 30 Mar 2010 11:08:08 -0700 (PDT) Received: by pyunyh@gmail.com (sSMTP sendmail emulation); Tue, 30 Mar 2010 11:07:10 -0700 From: Pyun YongHyeon Date: Tue, 30 Mar 2010 11:07:10 -0700 To: Attila Nagy Message-ID: <20100330180710.GM1473@michelle.cdnetworks.com> References: <4BAB718C.3090001@fsn.hu> <886B21E1787F0003B89E34B6@[192.168.1.44]> <4BB087B7.3030602@fsn.hu> <20100329183848.GE1473@michelle.cdnetworks.com> <4BB0FDC6.7050105@fsn.hu> <20100329194131.GG1473@michelle.cdnetworks.com> <4BB1CFD1.9040602@fsn.hu> <4BB21EA7.4080107@netvulture.com> <4BB21F79.5060807@fsn.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4BB21F79.5060807@fsn.hu> User-Agent: Mutt/1.4.2.3i Cc: Jonathan Feally , Mailing List FreeBSD Stable , Michael Loftis Subject: Re: 8-STABLE freezes on UDP traffic (DNS), 7.x doesn't X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Mar 2010 18:08:13 -0000 On Tue, Mar 30, 2010 at 05:57:45PM +0200, Attila Nagy wrote: > Jonathan Feally wrote: > > Attila Nagy wrote: > >>>>>> Bingo, this solved the problem. The current uptime nears four days. > >>>>>> Previously I couldn't go further than a day. > >>>>>> > >>>>>> The machine gets very light TCP load (and other machines which > >>>>>> get work > >>>>>> well), so I guess it's UDP RX or TX checksum related > >>>>>> > > I also have had my network go dead on a recent 8.0-STABLE on bge > > system. Console is alive, but network just stops. I am running it as a > > router with untagged on bge0 and nat of traffic on vlan201 tagged on > > top of bge1. I haven't had it lock up in 3 days, but I will try the > > -txcsum and -rxcsum on both interfaces to see if the problem still > > persists or not. I do have a lot of tcp traffic, but there is also > > unsolicited udp flying in as well. > Well, it's a short time to judge from, but with rx,txcsum disabled, the > machine froze nearly instantly (less than one hour of uptime), while > with tso disabled, it still works. > So for now I think tso causes the problems. > BTW, now that we are talking about that, I remember that I've disabled > it on a lot of machines previously, because I've had strange issues. Would you show me the dmesg output(only bce(4) part)?