From owner-freebsd-current@FreeBSD.ORG Fri Jan 16 13:22:20 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 341FD10656DB for ; Fri, 16 Jan 2009 13:22:20 +0000 (UTC) (envelope-from c47g@gmx.at) Received: from mail.gmx.net (mail.gmx.net [213.165.64.20]) by mx1.freebsd.org (Postfix) with SMTP id 81DB48FC17 for ; Fri, 16 Jan 2009 13:22:19 +0000 (UTC) (envelope-from c47g@gmx.at) Received: (qmail invoked by alias); 16 Jan 2009 13:22:15 -0000 Received: from cm56-152-15.liwest.at (EHLO bones) [86.56.152.15] by mail.gmx.net (mp045) with SMTP; 16 Jan 2009 14:22:15 +0100 X-Authenticated: #9978462 X-Provags-ID: V01U2FsdGVkX19d6jF20uJdHhWv3g8IuDNDVruUhDmm/cHOa8smRv Hz4MWvTyqk4uh5 From: Christian Gusenbauer To: "Li, Qing" Date: Fri, 16 Jan 2009 14:23:00 +0100 User-Agent: KMail/1.9.10 References: <031f01c9693d$f7f5a514$7202020a@internal.cacheflow.com> In-Reply-To: <031f01c9693d$f7f5a514$7202020a@internal.cacheflow.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200901161423.00602.c47g@gmx.at> X-Y-GMX-Trusted: 0 X-FuHaFi: 0.58 Cc: qingli@freebsd.org, freebsd-current@freebsd.org, Kip Macy Subject: Re: Network slowdown on lo0 introduced with svn186119/186121 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jan 2009 13:22:20 -0000 Hi Qing! Did you have some time to look at this problem? Thanks, Christian. On Sunday 28 December 2008, Li, Qing wrote: > I'll investigate and get back to you ... > > -- Qing > > > -----Original Message----- > From: Christian Gusenbauer > Sent: Sunday, December 28, 2008 2:04 PM > To: Kip Macy > Cc: Li, Qing ; freebsd-current@freebsd.org > ; qingli@freebsd.org > Subject: Re: Network slowdown on lo0 introduced with svn186119/186121 > > Hi Kip! > > Hmmm, I thought amanda is using a localhost connection? But you're right. > If I test connections using the 'discard' or 'echo' service with the IP > address of my lan interface, I get this terrible throughput, too. Using the > localhost address the throughput is *much* better! > > Thanks, > Christian. > > On Sunday 28 December 2008, Kip Macy wrote: > > This problem can reproduced with netperf. 127.0.0.1 will give good > > throughput, but using the IP address of one of the interfaces gives > > terrible throughput. > > > > -Kip > > > > On Sun, Dec 28, 2008 at 12:50 PM, Li, Qing wrote: > > > Hi Christian, > > > > > > Is the loopback address or an address that is assigned to > > > an interface used by amanda? Would it be possible for you > > > to give me some information on the tests you performed and > > > on your method of measurement? > > > > > > Thanks, > > > > > > -- Qing > > > > > > ________________________________ > > > > > > From: owner-freebsd-current@freebsd.org on behalf of Christian > > > Gusenbauer Sent: Sun 12/28/2008 9:56 AM > > > To: freebsd-current@freebsd.org > > > Subject: Network slowdown on lo0 introduced with svn186119/186121 > > > > > > > > > > > > Hi! > > > > > > Today I built a new kernel on current and experienced a massive network > > > slowdown on lo0 when doing a backup using amanda. I made some tests and > > > it seems that the commits 186119 and 186121 to the svn repository are > > > causing it. A kernel based on revision 186107 runs fine and all kernels > > > starting with revison 186119 do not. > > > > > > This slowdown seems to appear only on the loopback interface, not on my > > > lan interface. > > > > > > Is this a known issue? > > > > > > Regards, > > > Christian. > > > _______________________________________________ > > > freebsd-current@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > > To unsubscribe, send any mail to > > > "freebsd-current-unsubscribe@freebsd.org" > > > > > > > > > _______________________________________________ > > > freebsd-current@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > > To unsubscribe, send any mail to > > > "freebsd-current-unsubscribe@freebsd.org"