From: Dave Jones <davej@redhat.com>
To: Chuck Ebbert <76306.1226@compuserve.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
linux-acpi <linux-acpi@vger.kernel.org>, Andi Kleen <ak@suse.de>
Subject: Re: 2.6.16rc5 'found' an extra CPU.
Date: Wed, 1 Mar 2006 20:09:53 -0500 [thread overview]
Message-ID: <20060302010953.GA19755@redhat.com> (raw)
In-Reply-To: <200603011957_MC3-1-B99B-8FFE@compuserve.com>
On Wed, Mar 01, 2006 at 07:55:25PM -0500, Chuck Ebbert wrote:
> In-Reply-To: <20060301230317.GF1440@redhat.com>
>
> On Wed, 1 Mar 2006 18:03:17, Dave Jones wrote:
>
> > (17:59:38:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu0/topology/core_siblings
> > 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
> > (17:59:47:davej@nemesis:~)$ cat /sys/devices/system/cpu/cpu1/topology/core_siblings
> > 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000002
> >
> > Neither of these CPUs are HT / dual-core, so shouldn't these be the same ?
>
> Those are bitmaps. 1 => only bit 0 is set => CPU 0 is all alone.
>
> Did you really build a 256-CPU SMP kernel or is ACPI ignoring CONFIG_NR_CPUS
> or something?
Yes, it's =256.
Dave
next prev parent reply other threads:[~2006-03-02 1:10 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-02 0:55 2.6.16rc5 'found' an extra CPU Chuck Ebbert
2006-03-02 1:09 ` Dave Jones [this message]
2006-03-05 0:42 ` Andrew Morton
2006-03-05 2:26 ` Dave Jones
-- strict thread matches above, loose matches on Subject: below --
2006-03-02 19:37 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 19:18 Brown, Len
2006-03-02 19:18 ` Brown, Len
2006-03-02 19:16 Brown, Len
2006-03-02 19:16 ` Brown, Len
2006-03-02 17:34 Brown, Len
2006-03-02 17:34 ` Brown, Len
2006-03-02 17:30 Brown, Len
2006-03-02 17:30 ` Brown, Len
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
2006-03-01 23:01 Moore, Robert
2006-03-01 23:01 ` Moore, Robert
2006-03-01 22:46 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
2006-03-02 4:11 ` Dave Jones
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