From owner-freebsd-current@FreeBSD.ORG Thu Apr 5 00:28:22 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id DC4F216A402 for ; Thu, 5 Apr 2007 00:28:22 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.232]) by mx1.freebsd.org (Postfix) with ESMTP id 9248413C45E for ; Thu, 5 Apr 2007 00:28:22 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: by wx-out-0506.google.com with SMTP id s18so355832wxc for ; Wed, 04 Apr 2007 17:28:22 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:received:received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=CnwHWIkReEKua4JfLcazKmqrCrTNIyhughQChM4KooXtb46pCvHV5jlPMjaffBbxuFLUcIE3+pamBl2WIsRvwmJOabIQtBONIwW7+M1BDqoCU4idPoz0LpBrQiJXBt8xSD5btx0BU7foA54AXWhvZ0Kcc+Qsh8lJPzMN+Jpu72w= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=EVPalNC2OOtwlBQIMEUrgo+w2CmSSc6aVY0NC6iT6CAAzs7/RkS/2R1eUA4ww5wu0kYGA0PoVK0BsA18IceDfJJWy6TuGiZecKddL1z//NiDq0rUdkKkL/2DeVaW9lpS7VTV7FBpZrygAMxJWCgJ0wWxAMf+vhI+OfgLx3/CB/w= Received: by 10.115.61.1 with SMTP id o1mr485099wak.1175732901413; Wed, 04 Apr 2007 17:28:21 -0700 (PDT) Received: from michelle.cdnetworks.co.kr ( [211.53.35.84]) by mx.google.com with ESMTP id m28sm3866095poh.2007.04.04.17.28.18; Wed, 04 Apr 2007 17:28:20 -0700 (PDT) Received: from michelle.cdnetworks.co.kr (localhost.cdnetworks.co.kr [127.0.0.1]) by michelle.cdnetworks.co.kr (8.13.5/8.13.5) with ESMTP id l350SoOA016129 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 5 Apr 2007 09:28:50 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id l350Smi8016128; Thu, 5 Apr 2007 09:28:48 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Thu, 5 Apr 2007 09:28:48 +0900 From: Pyun YongHyeon To: Rainer Hurling Message-ID: <20070405002848.GB15837@cdnetworks.co.kr> References: <45F636B5.9060608@gwdg.de> <20070313070153.GD87608@cdnetworks.co.kr> <20070331003031.GB68853@cdnetworks.co.kr> <460E77BE.9090503@gwdg.de> <20070402010230.GA1323@cdnetworks.co.kr> <46113CF2.6090009@gwdg.de> <20070403035845.GB7223@cdnetworks.co.kr> <461285A6.5010805@gwdg.de> <20070404003215.GA11525@cdnetworks.co.kr> <4613FC04.1040302@gwdg.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4613FC04.1040302@gwdg.de> User-Agent: Mutt/1.4.2.1i Cc: darren780@yahoo.com, freebsd-current@freebsd.org, shigeaki@se.hiroshima-u.ac.jp Subject: Re: yongari nfe problems X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Apr 2007 00:28:22 -0000 On Wed, Apr 04, 2007 at 09:27:00PM +0200, Rainer Hurling wrote: > Pyun YongHyeon schrieb: > >On Tue, Apr 03, 2007 at 06:49:42PM +0200, Rainer Hurling wrote: > > > >[...] > > > > > > In "man ehci(4)" I found: > > > > > > ------- > > > BUGS > > > The driver is not finished and is quite buggy. > > > There is currently no support for isochronous transfers. > > > ------- > > > > > > Possibly this could cause the observed "dropouts" of nfe0 from a few > > > seconds till several minutes? > > > > > > >I'm not familiar with ehci(4) but I think it has nothing to do with > >missing Tx completion interrupts observed on nfe(4). > > > > > > > > Is there a knob or option in driver nfe(4) I can use to try classical > > > polling or any 'lower' mode of operation? > > > > > > >Add 'options DEVICE_POLLING' into kernel configuration file and > >rebuild your kernel. Use ifconfig(8) to enable/disable polling(4) > >feature. > >See polling(4) for more detailed description and tuning parameters. > > > > Thank you for this hint. I compiled my kernel with 'options > DEVICE_POLLING' and reboot. > > For the first four hours I get no new watchdog timeouts. But then, > without heavy load and without using usb devices, I get many timeouts. > > Obiously nfe(4) does not support this polling feature? Or we are looking > at the wrong side ... > Did you enable polling feature with ifconfig(8)? (e.g. ifconfig nfe0 polling) You should see POLLING in flags field in ifconfig output. > Rainer -- Regards, Pyun YongHyeon