linux-kernel - Re: "can't evaluate _CRS: 1" messages since b355cee [ACPI / resources: ignore invalid ACPI device resources]

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Date:	Tue, 11 Mar 2014 13:59:39 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc:	linux-acpi@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: "can't evaluate _CRS: 1" messages since b355cee [ACPI / resources: ignore invalid ACPI device resources]

On Tuesday, March 11, 2014 09:44:09 AM Markus Trippelsdorf wrote:
> Since:
>  commit b355cee88e3b1a193f0e9a81db810f6f83ad728b
>  Author: Zhang Rui <rui.zhang@...el.com>
>  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.
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