From owner-svn-src-all@FreeBSD.ORG Thu Nov 11 21:34:36 2010 Return-Path: <owner-svn-src-all@FreeBSD.ORG> Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4E2111065672; Thu, 11 Nov 2010 21:34:36 +0000 (UTC) (envelope-from rfarmer@predatorlabs.net) Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by mx1.freebsd.org (Postfix) with ESMTP id 9ED298FC08; Thu, 11 Nov 2010 21:34:35 +0000 (UTC) Received: by qwj8 with SMTP id 8so1565279qwj.13 for <multiple recipients>; Thu, 11 Nov 2010 13:34:34 -0800 (PST) MIME-Version: 1.0 Received: by 10.224.196.67 with SMTP id ef3mr1249335qab.160.1289511274869; Thu, 11 Nov 2010 13:34:34 -0800 (PST) Received: by 10.220.16.199 with HTTP; Thu, 11 Nov 2010 13:34:34 -0800 (PST) X-Originating-IP: [128.95.133.119] In-Reply-To: <20101111211808.GE17566@michelle.cdnetworks.com> References: <201011111808.oABI8olX079570@svn.freebsd.org> <20101111183409.GA1011@pluto.vnode.local> <20101111191900.GC17566@michelle.cdnetworks.com> <AANLkTimjUgNLsvqzGNn7SEHZ_=7oF-BJyG2jS7bezy55@mail.gmail.com> <20101111211808.GE17566@michelle.cdnetworks.com> Date: Thu, 11 Nov 2010 13:34:34 -0800 Message-ID: <AANLkTikCUBj=j7smC7Jpw_p9g1chPsShEhYEFGws7EHY@mail.gmail.com> From: Rob Farmer <rfarmer@predatorlabs.net> To: pyunyh@gmail.com Content-Type: text/plain; charset=ISO-8859-1 Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Pyun YongHyeon <yongari@freebsd.org>, Joel Dahl <joel@freebsd.org> Subject: Re: svn commit: r215132 - head/sys/dev/nfe X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" <svn-src-all.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>, <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all> List-Post: <mailto:svn-src-all@freebsd.org> List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>, <mailto:svn-src-all-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 11 Nov 2010 21:34:36 -0000 On Thu, Nov 11, 2010 at 13:18, Pyun YongHyeon <pyunyh@gmail.com> wrote: > Yes, but I think this has nothing to do with the subject. > I think MCP controllers have a silicon bug that does not generate > TX completion interrupts under certain conditions/controller models. > The PR indicates what was really happened which also indicates > possible silicon bug. nve(4) also seems to have some workaround for > that but I wanted to verify it since we don't know what binary blob > did during controller initialization. The message just shows > informational message and does not reset controller so I think that > edge case is already handled by nfe(4). > I have a system that does this same thing - watchdog timeout (missed Tx interrupts) over and over. It also generates so much bogus traffic that all other systems connected to the same switch/hub lose their network connection while the machine is running. Switching to nve resolves the problem. If it can't be fixed, that's fine. Just please don't remove nve - there are systems that need it. -- Rob Farmer