From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 16 Mar 2002 15:45:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 16 Mar 2002 15:45:44 -0500 Received: from lightning.swansea.linux.org.uk ([194.168.151.1]:36874 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Sat, 16 Mar 2002 15:45:33 -0500 Subject: Re: [PATCH] devexit fixes in i82092.c To: ebiederm@xmission.com (Eric W. Biederman) Date: Sat, 16 Mar 2002 21:00:09 +0000 (GMT) Cc: jgarzik@mandrakesoft.com (Jeff Garzik), torvalds@transmeta.com (Linus Torvalds), andersg@0x63.nu (Anders Gustafsson), arjanv@redhat.com, linux-kernel@vger.kernel.org, mochel@osdl.org In-Reply-To: from "Eric W. Biederman" at Mar 16, 2002 12:27:21 PM X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Please for the Linux booting Linux scenario it is mandatory we get this right > for reboot. I know for a fact that currently we leave active receive buffers on > network cards when we reboot. (If you haven't downed the interface). So it > is possible for a network packet to come in and hose a machine that is rebooting. Thats a bios bug. Its pretty much the whole reason for having bus master enable bits in the PCI configuration. The BIOS should have killed the bus masters. Alan