From: Ashok Raj <ashok.raj@intel.com>
To: Andi Kleen <ak@suse.de>
Cc: Dave Jones <davej@redhat.com>,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
Ashok Raj <ashok.raj@intel.com>
Subject: Re: 2.6.16rc5 'found' an extra CPU.
Date: Wed, 1 Mar 2006 19:52:19 -0800 [thread overview]
Message-ID: <20060301195218.A3539@unix-os.sc.intel.com> (raw)
In-Reply-To: <200603020238.31639.ak@suse.de>; from ak@suse.de on Thu, Mar 02, 2006 at 02:38:31AM +0100
On Thu, Mar 02, 2006 at 02:38:31AM +0100, Andi Kleen wrote:
>
> > ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> > Processor #0 15:5 APIC version 16
> > ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
> > Processor #1 15:5 APIC version 16
> > ACPI: LAPIC (acpi_id[0x03] lapic_id[0x82] disabled)
> > ACPI: LAPIC (acpi_id[0x04] lapic_id[0x83] disabled)
>
> It's because of the two disabled CPUs. We decreed at some point
> that disabled CPUs mean hotpluggable CPUs. But it's doing
> this for some time so you probably only noticed now.
>
> All is ok. Sorry for blaming you wrongly, Ashok.
Phew!..
The ACPI hotplug code isnt in 2.6.15-rc* yet. It should be in the next
-mm when Andrew rolls the next mm.
But the 3 entries seem weird, we should only see 2 sysfs entries in
/sys/devices/system/cpu and just 2 entries in proc/acpi/processor as well.
--
Cheers,
Ashok Raj
- Open Source Technology Center
next prev parent reply other threads:[~2006-03-02 3:52 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-01 22:46 2.6.16rc5 'found' an extra CPU Dave Jones
2006-03-01 23:03 ` Dave Jones
2006-03-02 0:55 ` Andi Kleen
2006-03-02 1:19 ` Dave Jones
2006-03-02 1:38 ` Andi Kleen
2006-03-02 3:13 ` Dave Jones
2006-03-02 3:24 ` Andi Kleen
2006-03-02 3:45 ` Dave Jones
2006-03-02 3:52 ` Ashok Raj [this message]
2006-03-02 4:11 ` Dave Jones
-- strict thread matches above, loose matches on Subject: below --
2006-03-01 23:01 Moore, Robert
2006-03-01 23:01 ` Moore, Robert
2006-03-02 0:55 Chuck Ebbert
2006-03-02 1:09 ` Dave Jones
2006-03-05 0:42 ` Andrew Morton
2006-03-05 2:26 ` Dave Jones
2006-03-02 5:49 Brown, Len
2006-03-02 5:49 ` Brown, Len
2006-03-02 9:33 ` Romano Giannetti
2006-03-02 15:53 ` Zwane Mwaikambo
2006-03-02 15:58 ` Romano Giannetti
2006-03-02 12:14 ` Andi Kleen
2006-03-02 16:30 ` Ashok Raj
2006-03-02 18:44 ` Dave Jones
2006-03-02 19:21 ` Ashok Raj
2006-03-03 7:14 ` Andrew Morton
2006-03-03 7:14 ` Andrew Morton
2006-03-03 17:41 ` Ashok Raj
2006-03-02 17:30 Brown, Len
2006-03-02 17:30 ` Brown, Len
2006-03-02 17:34 Brown, Len
2006-03-02 17:34 ` Brown, Len
2006-03-02 19:16 Brown, Len
2006-03-02 19:16 ` Brown, Len
2006-03-02 19:18 Brown, Len
2006-03-02 19:18 ` Brown, Len
2006-03-02 19:26 Brown, Len
2006-03-02 19:31 ` Dave Jones
2006-03-02 19:33 ` Andi Kleen
2006-03-02 19:37 Brown, Len
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