From: "J.A. Magallon" <jamagallon@able.es>
To: Frank Cusack <fcusack@fcusack.com>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: 2nd proc not seen
Date: Mon, 29 Sep 2003 10:58:07 +0200 [thread overview]
Message-ID: <20030929085807.GA22884@werewolf.able.es> (raw)
In-Reply-To: <20030928205045.B21288@google.com> (from fcusack@fcusack.com on Mon, Sep 29, 2003 at 05:50:46 +0200)
On 09.29, Frank Cusack wrote:
> On Thu, Sep 04, 2003 at 09:14:37AM -0700, Frank Cusack wrote:
> > On Thu, Sep 04, 2003 at 02:11:13AM -0700, Frank Cusack wrote:
> > > I think I've seen some recent talk about this problem. I have an HPAQ
> > > xw6000 w/ 2xP4 CPUs. A RH kernel finds both CPUs (4 if I enable HT). A
> > > kernel.org kernel only finds 1 (2 if I enable HT).
>
> This turned out to be a CPU numbering issue. The HPAQ machine numbers
> the cpus #0 and #6. I had NR_CPUS set to 2. That only works if the CPUs
> are physically numbered 0 and 1.
>
> So NR_CPUS is a little misleading. I could suggest a Config.help change
> if you like.
>
This is a little weird. This forces you to have all the SMP structures sized
8 just to use 2 members.
Was not there a physical-logical map ? Or that was in -aa kernel and 2.6 ?
--
J.A. Magallon <jamagallon()able!es> \ Software is like sex:
werewolf!able!es \ It's better when it's free
Mandrake Linux release 9.2 (Cooker) for i586
Linux 2.4.23-pre5-jam1 (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-2mdk))
next prev parent reply other threads:[~2003-09-29 8:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-04 9:11 2nd proc not seen Frank Cusack
2003-09-04 16:14 ` Frank Cusack
2003-09-29 3:50 ` Frank Cusack
2003-09-29 8:58 ` J.A. Magallon [this message]
2003-09-29 9:13 ` Mikael Pettersson
2003-09-29 20:51 ` William Lee Irwin III
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030929085807.GA22884@werewolf.able.es \
--to=jamagallon@able.es \
--cc=fcusack@fcusack.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.