Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752520AbaBTVtQ (ORCPT ); Thu, 20 Feb 2014 16:49:16 -0500 Received: from relay2.sgi.com ([192.48.179.30]:42941 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751947AbaBTVtO (ORCPT ); Thu, 20 Feb 2014 16:49:14 -0500 Date: Thu, 20 Feb 2014 15:49:13 -0600 From: Russ Anderson To: Matthew Garrett Cc: "lenb@kernel.org" , "linux-kernel@vger.kernel.org" , "minyard@acm.org" , "rjw@rjwysocki.net" , "linux-acpi@vger.kernel.org" Subject: Re: [PATCH V2] Change ACPI IPMI support to "default y" Message-ID: <20140220214913.GR17949@sgi.com> Reply-To: Russ Anderson References: <1392740909-2079-1-git-send-email-matthew.garrett@nebula.com> <20140220201458.GA7099@sgi.com> <1392927381.20109.0.camel@x230> <20140220204028.GJ17949@sgi.com> <1392929163.20109.5.camel@x230> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1392929163.20109.5.camel@x230> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 20, 2014 at 08:46:04PM +0000, Matthew Garrett wrote: > On Thu, 2014-02-20 at 14:40 -0600, Russ Anderson wrote: > > > There are any number of reasons why a BMC may not respond. > > BMCs are notorious for being flakey, with different types > > of BMCs that may or may not be reliable. You do not want > > to make the kernel boot dependent on an unreliable component. > > You appear to be saying "SGI ship hardware that doesn't work. We don't > know why it doesn't work and we're not interested in fixing it, so we'd > prefer the default kernel configuration to be broken". That doesn't seem > like an especially compelling argument. You appear to not understand the mess this causes. We have hit this on 3rd party boards, not just SGI built hardware (much of which is industry standard components). It causes problems both for flakey hardware _and_ functioning hardware. -- Russ Anderson, Kernel and Performance Software Team Manager SGI - Silicon Graphics Inc rja@sgi.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/