From owner-freebsd-current@FreeBSD.ORG Wed Apr 4 00:32:06 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 34F8D16A505 for ; Wed, 4 Apr 2007 00:32:06 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.171]) by mx1.freebsd.org (Postfix) with ESMTP id 7BC2B13C457 for ; Wed, 4 Apr 2007 00:32:05 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: by ug-out-1314.google.com with SMTP id 71so500782ugh for ; Tue, 03 Apr 2007 17:32:03 -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=UVB6SXRol3qM3jbGu+nsX7igKDdroIf0sBLOSbUWw2Kz8mnCcA1f9nM5Hy4grB9TKttGLh55EdlHklGuiiPVnKS7vAix0g8jQSR13x9uKxVUckd6Xc+dIYI5bColC+zAuxnhX2kloy/4T5DeyOJihZEOmurJoHpxyuGNu39vaUY= 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=ik62XNa2usjmE+3GWG9ujIy1TTx/uVZzQ8AafjV6ZxvEZqOunWJbC/s15efTug3+rCYJdYoCDWMJ/MtNLq9oQtIMLhMc1HtSqFL46gE6qYCWfZwwmG1BpOuwJe47dmH/dNpmnAdZI3u1zeXsz8JB42/nABLuU5B5X0gnRlMazL8= Received: by 10.114.197.1 with SMTP id u1mr2470waf.1175646722546; Tue, 03 Apr 2007 17:32:02 -0700 (PDT) Received: from michelle.cdnetworks.co.kr ( [211.53.35.84]) by mx.google.com with ESMTP id t1sm289832poh.2007.04.03.17.31.59; Tue, 03 Apr 2007 17:32:00 -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 l340WHxg011790 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 4 Apr 2007 09:32:17 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id l340WFO2011789; Wed, 4 Apr 2007 09:32:15 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Wed, 4 Apr 2007 09:32:15 +0900 From: Pyun YongHyeon To: Rainer Hurling Message-ID: <20070404003215.GA11525@cdnetworks.co.kr> References: <20070313004601.GA87608@cdnetworks.co.kr> <20070313005845.GB87608@cdnetworks.co.kr> <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> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <461285A6.5010805@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: Wed, 04 Apr 2007 00:32:06 -0000 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. -- Regards, Pyun YongHyeon