From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Jiang Liu <jiang.liu@linux.intel.com>
Cc: "Jörg Otte" <jrg.otte@gmail.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"ACPI Devel Maling List" <linux-acpi@vger.kernel.org>
Subject: Re: [kernel 3.13.0-06058-g2d08cd0] Strange ACPI error messages
Date: Sat, 25 Jan 2014 14:59:09 +0100 [thread overview]
Message-ID: <4387759.ffnsEjDaad@vostro.rjw.lan> (raw)
In-Reply-To: <9739501.rBu7tJQIYj@vostro.rjw.lan>
On Saturday, January 25, 2014 02:53:24 PM Rafael J. Wysocki wrote:
> 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?
Gerry, this is your commit b981513f806d (ACPI / scan: bail out early if failed
to parse APIC ID for CPU). Apparently, the BIOS has room for 4 CPUs more than
there actually are in the system. Maybe we can reduce the log level of those
messages to avoid ringing bells unnecessarily?
Rafael
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next prev parent reply other threads:[~2014-01-25 13:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-25 10:03 [kernel 3.13.0-06058-g2d08cd0] Strange ACPI error messages Jörg Otte
2014-01-25 13:53 ` Rafael J. Wysocki
2014-01-25 13:59 ` Rafael J. Wysocki [this message]
2014-01-25 16:18 ` Henrique de Moraes Holschuh
2014-01-25 22:31 ` Rafael J. Wysocki
2014-01-26 9:31 ` Jiang Liu
2014-01-25 16:32 ` Jörg Otte
2014-01-25 22:29 ` Rafael J. Wysocki
2014-01-27 6:34 ` [PATCH] ACPI: reduce log level for message "ACPI: \_PR_.CPU4: failed to get CPU APIC ID" Jiang Liu
2014-01-27 9:19 ` Jörg Otte
2014-01-28 0:18 ` David Rientjes
2014-01-28 0:28 ` Rafael J. Wysocki
2014-01-28 1:20 ` Jiang Liu
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