From owner-freebsd-net@FreeBSD.ORG Thu Apr 17 00:37:22 2008 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 3CAC1106566C for ; Thu, 17 Apr 2008 00:37:22 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.227]) by mx1.freebsd.org (Postfix) with ESMTP id D7BFF8FC14 for ; Thu, 17 Apr 2008 00:37:21 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: by wr-out-0506.google.com with SMTP id 50so2312wra.13 for ; Wed, 16 Apr 2008 17:37:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; 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; bh=LOUOwTqA7z2z3rBselUrnRke7UkYx8Y1iKsgokTwhG4=; b=g3UPipHm3uF5UOrmH6QHuz9g0i5p5Ub2oUqBTAGgm+IL3xi4zY0cgddPfIEWH3DvJ55whavZA8xJlJtCS/ZwJQI21YzieWFfKf4RimYYw8v3MKKk8Ls+lQ3DG5sP6skWIs7UJDszbysuZWOFyP8gKlZSmJbnSGOPuGjJwWeTbY8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=v4itIZV0+k/pNzHcGHsMhrUrtUObEXhky5mcMuR5oz82zkK619SOWtRR4Tl0blHTHnE0x3AD7bp2m8b1iKN6lac4tRao+JMrNVDIcy6xxmSasdgbFJA44ogYB+cLkpP9Jm6greKpKBZPwLpZqF5qgdbj2ivctibVI9ftcGmK0/4= Received: by 10.142.162.5 with SMTP id k5mr212589wfe.53.1208392640133; Wed, 16 Apr 2008 17:37:20 -0700 (PDT) Received: from michelle.cdnetworks.co.kr ( [211.53.35.84]) by mx.google.com with ESMTPS id 22sm18966758wfg.15.2008.04.16.17.37.17 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 16 Apr 2008 17:37:19 -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 m3H0bDk3028596 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 17 Apr 2008 09:37:13 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id m3H0bDTH028595; Thu, 17 Apr 2008 09:37:13 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Thu, 17 Apr 2008 09:37:13 +0900 From: Pyun YongHyeon To: quad Message-ID: <20080417003713.GA28522@cdnetworks.co.kr> References: <1733112647.20080417004353@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1733112647.20080417004353@gmail.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-net@freebsd.org Subject: Re: [bfe] [panic] Serious error: bfe failed to map RX buffer X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Apr 2008 00:37:22 -0000 On Thu, Apr 17, 2008 at 12:43:53AM +0300, quad wrote: > Hi, > > FreeBSD amd64 7.0-RELEASE, ULE, SMP. > > On heavy loads bfe network driver after few messages > > Serious error: bfe failed to map RX buffer > Serious error: bfe failed to map RX buffer > Serious error: bfe failed to map RX buffer > ... > > make kernel panic. > > Here patch. > It would be even better if you can show me the return code of bus_dmamap_load(9). If the error code is not ENOMEM it requires more bus_dma(9) clean up(bfe(4) needs lots of bus_dma(9) fixing and I had no time so far.) Since the caller of bfe_list_newbuf() expects 0 or ENOBUFS it would be even better to return ENOBUFS for failure case instead of returning error code of bus_dmamap_load(9). -- Regards, Pyun YongHyeon