From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755113Ab1KAOnT (ORCPT ); Tue, 1 Nov 2011 10:43:19 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:42425 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754989Ab1KAOnR (ORCPT ); Tue, 1 Nov 2011 10:43:17 -0400 Date: Tue, 1 Nov 2011 14:43:12 +0000 From: Matthew Garrett To: Bjorn Helgaas Cc: Linda Walsh , LKML , linux-acpi@vger.kernel.org Subject: Re: ACPI ERROR SMBus or IPMI write requires Buff of len 66, found 32...???? linux-3.0.0 Message-ID: <20111101144312.GA25790@srcf.ucam.org> References: <4EAF1021.2090004@tlinx.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 01, 2011 at 08:05:49AM -0600, Bjorn Helgaas wrote: > [+cc linux-acpi] > > On Mon, Oct 31, 2011 at 3:16 PM, Linda Walsh wrote: > > > > > > Was looking through boot log messages, and this one seemed 'new'... > > Can you confirm that this error did not occur on a previous version? > What is the most recent version where it did not occur? ACPI IPMI support was only added recently, so it's not surprising that it didn't show up previously. The spec is quite clear that IPMI message buffers should be 66 bytes, but a lot of firmware seems to disagree. Not sure what the best thing to do here is. -- Matthew Garrett | mjg59@srcf.ucam.org