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
next prev parent reply other threads:[~2014-01-25 13:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-25 10:03 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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