From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753458AbaCBCff (ORCPT ); Sat, 1 Mar 2014 21:35:35 -0500 Received: from terminus.zytor.com ([198.137.202.10]:37484 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753393AbaCBCfe (ORCPT ); Sat, 1 Mar 2014 21:35:34 -0500 User-Agent: K-9 Mail for Android In-Reply-To: <20140302022334.GA1131@srcf.ucam.org> References: <53110977.8080907@linux.intel.com> <53121496.8060603@linux.intel.com> <20140301172256.GA29417@srcf.ucam.org> <53123DCF.7040500@zytor.com> <20140301202139.GA9759@srcf.ucam.org> <53127AA7.8040700@linux.intel.com> <53127C4B.1060505@zytor.com> <53128DA0.9060105@linux.intel.com> <53129256.6060704@zytor.com> <20140302022334.GA1131@srcf.ucam.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Subject: Re: [patch] x86: Introduce BOOT_EFI and BOOT_CF9 into the reboot sequence loop From: "H. Peter Anvin" Date: Sat, 01 Mar 2014 18:35:18 -0800 To: Matthew Garrett CC: "Li, Aubrey" , "H. Peter Anvin" , "alan@linux.intel.com" , linux-kernel@vger.kernel.org, Len.Brown@intel.com, Adam Williamson Message-ID: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Of course. It is primarily a testing problem - we just don't have a compatibility lab to test a bunch of strange hardware. On March 1, 2014 6:23:34 PM PST, Matthew Garrett wrote: >On Sat, Mar 01, 2014 at 06:07:18PM -0800, H. Peter Anvin wrote: > >> We obviously have been over this a number of times, and the sad thing >is >> that we have very limited information. It is more complex than that, >> even... I believe in some cases KBD works but it is slow, and so >takes a >> while. > >And we still have the problem that the keyboard controller sometimes >triggers SMM and that then hangs when it hits a piece of hardware in a >state it doesn't expect. Sometimes reboot=b or reboot=p is just working > >around some assumptions that we could fix more convincingly. -- Sent from my mobile phone. Please pardon brevity and lack of formatting.