From owner-acpi-jp@jp.freebsd.org  Wed Apr  4 08:57:15 2001
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id IAA66433;
	Wed, 4 Apr 2001 08:57:15 +0900 (JST)
	(envelope-from owner-acpi-jp@jp.FreeBSD.org)
Received: from hypnos.cps.intel.com (hypnos.cps.intel.com [192.198.165.17])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with ESMTP id IAA66417
	for <acpi-jp@jp.freebsd.org>; Wed, 4 Apr 2001 08:57:13 +0900 (JST)
	(envelope-from andrew.grover@intel.com)
Received: from SMTP (fmsmsxvs03-1.fm.intel.com [132.233.42.203])
	by hypnos.cps.intel.com (8.9.1a+p1/8.9.1/d: relay.m4,v 1.35 2001/02/12 09:03:45 smothers Exp $) with SMTP id XAA28105
	for <acpi-jp@jp.freebsd.org>; Tue, 3 Apr 2001 23:56:33 GMT
Received: from fmsmsx17.intel.com ([132.233.48.17]) by 132.233.48.203
  (Norton AntiVirus for Internet Email Gateways 1.0) ;
  Tue, 03 Apr 2001 23:56:32 0000 (GMT)
Received: by fmsmsx17.fm.intel.com with Internet Mail Service (5.5.2653.19)
	id <2GM30R6W>; Tue, 3 Apr 2001 16:56:31 -0700
Message-ID: <4148FEAAD879D311AC5700A0C969E8905DE7FC@orsmsx35.jf.intel.com>
From: "Grover, Andrew" <andrew.grover@intel.com>
To: "'acpi-jp@jp.freebsd.org'" <acpi-jp@jp.freebsd.org>
Cc: "Walz, Michael" <michael.walz@intel.com>
Date: Tue, 3 Apr 2001 16:56:24 -0700 
MIME-Version: 1.0
X-Mailer: Internet Mail Service (5.5.2653.19)
Content-Type: text/plain;
	charset="ISO-8859-1"
Reply-To: acpi-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+010328
X-Sequence: acpi-jp 1120
Subject: [acpi-jp 1120] an old bug revisited
Errors-To: owner-acpi-jp@jp.freebsd.org
Sender: owner-acpi-jp@jp.freebsd.org
X-Originator: andrew.grover@intel.com

Hi Mike, remember this?

> Also, please find attached a small patch to 
> Interpreter/amfield.c which 
> works around a bug in the Intel ISP1100 B08 AML.  The 
> offending AML in 
> question is this:
> 
>             OperationRegion(PSRG, SystemMemory, 0x0410, 0x1)
>             Field(PSRG, DWordAcc, NoLock, Preserve) {
>                 ,       2,
>                 PS2E,   1
>             }
> 
> which violates acpi2.0 section 16.2.3.3.1.11 by trying to 
> access a byte 
> region with DWordAcc.  In the spirit of the existing workaround for 
> oversized accesses, this just truncates the granularity.  It 
> will still 
> fail in the case where the truncation produces something other than a 
> power-of-2 bit size; I'm not sure if fixing that is warranted.

The fix for this was the cause of the Sony FX120 issue, mentioned on the
ACPI-Linux list.

So, I've removed the workaround from our tree, and am re-addressing the
original issue. Do you still have that particular machine around?

Regards -- Andy

