From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754897AbaCKNAX (ORCPT ); Tue, 11 Mar 2014 09:00:23 -0400 Received: from mga09.intel.com ([134.134.136.24]:60398 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754513AbaCKNAR (ORCPT ); Tue, 11 Mar 2014 09:00:17 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,630,1389772800"; d="scan'208";a="489751314" From: "Zhang, Rui" To: "Rafael J. Wysocki" , Markus Trippelsdorf CC: "linux-acpi@vger.kernel.org" , "Wysocki, Rafael J" , "linux-kernel@vger.kernel.org" Subject: RE: "can't evaluate _CRS: 1" messages since b355cee [ACPI / resources: ignore invalid ACPI device resources] Thread-Topic: "can't evaluate _CRS: 1" messages since b355cee [ACPI / resources: ignore invalid ACPI device resources] Thread-Index: AQHPPQYgy2nXtxFXAECTqpl1notGyprbU12AgACDXnA= Date: Tue, 11 Mar 2014 12:59:47 +0000 Message-ID: <744357E9AAD1214791ACBA4B0B9092630120179D@SHSMSX103.ccr.corp.intel.com> References: <20140311084409.GA282@x4> <1586607.L4KMXXX471@vostro.rjw.lan> In-Reply-To: <1586607.L4KMXXX471@vostro.rjw.lan> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id s2BD0WTK025512 I think the reason problem is that: 1. there are zero length IO/Memory resources for these machines, and for those resources a) w/o commit b355cee88e3b1a193f0e9a81db810f6f83ad728b, acpi_dev_resource_memory/io returns true b) w commit b355cee88e3b1a193f0e9a81db810f6f83ad728b, acpi_dev_resource_memory/io returns false 2. in pnpacpi_allocated_resource(), when acpi_dev_resource_memory/io() returns false, it translates into "the resource is not IO/Memory resource". IMO, the root cause is that the BOOL return value of acpi_dev_resource_memory/io() can not represent the following three situations 1) a valid IO/Memory resource 2) an invalid IO/Memory resource 3) not an IO/Memory resource Thanks, rui > -----Original Message----- > From: linux-acpi-owner@vger.kernel.org [mailto:linux-acpi- > owner@vger.kernel.org] On Behalf Of Rafael J. Wysocki > Sent: Tuesday, March 11, 2014 9:00 PM > To: Markus Trippelsdorf > Cc: linux-acpi@vger.kernel.org; Zhang, Rui; Wysocki, Rafael J; linux- > kernel@vger.kernel.org > Subject: Re: "can't evaluate _CRS: 1" messages since b355cee [ACPI / > resources: ignore invalid ACPI device resources] > Importance: High > > On Tuesday, March 11, 2014 09:44:09 AM Markus Trippelsdorf wrote: > > Since: > > commit b355cee88e3b1a193f0e9a81db810f6f83ad728b > > Author: Zhang Rui > > Date: Thu Feb 27 11:37:15 2014 +0800 > > > > ACPI / resources: ignore invalid ACPI device resources > > > > The following error message is printed three times during boot on my > > machine: "can't evaluate _CRS: 1" > > It may be catching a BIOS bug actually. > > Please attach the output of acpidump from that system. > > > Here's the dmesg diff: > > > > @@ -308,6 +308,8 @@ > > Switched to clocksource hpet > > pnp: PnP ACPI init > > ACPI: bus type PNP registered > > +pnp 00:00: unknown resource type 10 in _CRS pnp 00:00: can't > evaluate > > +_CRS: 1 > > system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active) pnp > > 00:01: [dma 4] pnp 00:01: Plug and Play ACPI device, IDs PNP0200 > > (active) @@ -318,6 +320,8 @@ system 00:06: [mem > > 0xfec00000-0xfec00fff] could not be reserved system 00:06: [mem > > 0xfee00000-0xfee00fff] has been reserved system 00:06: Plug and Play > > ACPI device, IDs PNP0c02 (active) > > +pnp 00:07: unknown resource type 4 in _CRS pnp 00:07: can't evaluate > > +_CRS: 1 > > system 00:07: [io 0x04d0-0x04d1] has been reserved system 00:07: > > [io 0x040b] has been reserved system 00:07: [io 0x04d6] has been > > reserved @@ -334,19 +338,9 @@ system 00:07: [io 0x0cd8-0x0cdf] has > > been reserved system 00:07: [io 0x0b00-0x0b3f] has been reserved > > system 00:07: [io 0x0800-0x089f] could not be reserved -system 00:07: > > [io 0x0b00-0x0b0f] has been reserved -system 00:07: [io > > 0x0b20-0x0b3f] has been reserved -system 00:07: [io 0x0900-0x090f] > > has been reserved -system 00:07: [io 0x0910-0x091f] has been > reserved > > -system 00:07: [io 0xfe00-0xfefe] has been reserved -system 00:07: > > [mem 0xdff00000-0xdfffffff] has been reserved -system 00:07: [mem > > 0xffb80000-0xffbfffff] has been reserved -system 00:07: [mem > > 0xfec10000-0xfec1001f] has been reserved system 00:07: Plug and Play > > ACPI device, IDs PNP0c02 (active) -system 00:08: [io 0x0230-0x023f] > > has been reserved -system 00:08: [io 0x0290-0x029f] has been > reserved > > -system 00:08: [io 0x0f40-0x0f4f] has been reserved -system 00:08: > > [io 0x0a30-0x0a3f] has been reserved > > +pnp 00:08: unknown resource type 4 in _CRS pnp 00:08: can't evaluate > > +_CRS: 1 > > system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active) > system > > 00:09: [mem 0xe0000000-0xefffffff] has been reserved system 00:09: > > Plug and Play ACPI device, IDs PNP0c02 (active) > > > > > > -- > I speak only for myself. > Rafael J. Wysocki, Intel Open Source Technology Center. > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" > in the body of a message to majordomo@vger.kernel.org More majordomo > info at http://vger.kernel.org/majordomo-info.html {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I