From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262281AbVHFBW1 (ORCPT ); Fri, 5 Aug 2005 21:22:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262294AbVHFBW0 (ORCPT ); Fri, 5 Aug 2005 21:22:26 -0400 Received: from waste.org ([216.27.176.166]:64670 "EHLO waste.org") by vger.kernel.org with ESMTP id S262199AbVHFBWY (ORCPT ); Fri, 5 Aug 2005 21:22:24 -0400 Date: Fri, 5 Aug 2005 18:22:19 -0700 From: Matt Mackall To: Andi Kleen Cc: John B?ckstrand , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: lockups with netconsole on e1000 on media insertion Message-ID: <20050806012219.GZ8074@waste.org> References: <42F347D2.7000207@home.se.suse.lists.linux.kernel> <20050805201215.GG7425@waste.org> <20050805215650.GH8266@wotan.suse.de> <20050805232015.GX8074@waste.org> <20050805235122.GI8266@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050805235122.GI8266@wotan.suse.de> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 06, 2005 at 01:51:22AM +0200, Andi Kleen wrote: > > But why are we in a hurry to dump the backlog on the floor? Why are we > > worrying about the performance of netpoll without the cable plugged in > > at all? We shouldn't be optimizing the data loss case. > > Because a system shouldn't stall for minutes (or forever like right now) > at boot just because the network cable isn't plugged in. Using netconsole without a network cable could well be classified as a serious configuration error. NFS also is a bit sluggish without a network cable. I've already agreed that forever is a problem. Can we work towards agreeing on a non-trivial timeout, please? -- Mathematics is the supreme nostalgia of our time.