linux-kernel - Re: [kernel 3.13.0-06058-g2d08cd0] Strange ACPI error messages

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Date:	Sat, 25 Jan 2014 17:32:19 +0100
From:	Jörg Otte <jrg.otte@...il.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: [kernel 3.13.0-06058-g2d08cd0] Strange ACPI error messages

2014-01-25 Rafael J. Wysocki <rjw@...ysocki.net>:
> On Saturday, January 25, 2014 11:03:09 AM Jörg Otte wrote:
>> Kernel 3.13.0-06058-g2d08cd0 displays following errors on the console:
>>
>> ACPI: \_PR_.CPU4: failed to get CPU APIC ID.
>> ACPI: \_PR_.CPU5: failed to get CPU APIC ID.
>> ACPI: \_PR_.CPU6: failed to get CPU APIC ID.
>> ACPI: \_PR_.CPU7: failed to get CPU APIC ID.
>>
>> I don't have CPUs 4..7! Error messages regarding not existing
>> CPUs should not be displayed.
>> kernel 3.13.0-05617-g3aacd62 and before did'nt show this messages.
>>
>> This is a regression. I never saw this messages before.
>
> Does your system show any other suspicious symptoms or are you worried about
> those messages only?
>
> Rafael
>

what's looking badly is this:

ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_]
(20131218/hwxface-580)
ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_]
(20131218/hwxface-580)

and this:

acpi PNP0A08:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
 \_SB_.PCI0:_OSC invalid UUID
 _OSC request data:1 1e 0
acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM

but these messages are not new.

Jörg
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