From: Andi Kleen <andi@firstfloor.org>
To: David Rientjes <rientjes@google.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Chris Worley <worleys@gmail.com>,
Yinghai Lu <yhlu.kernel@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: Off topic: Numactl "distance" wrong
Date: Fri, 3 Apr 2009 23:53:51 +0200 [thread overview]
Message-ID: <20090403215351.GF11935@one.firstfloor.org> (raw)
In-Reply-To: <alpine.DEB.2.00.0904031438540.3646@chino.kir.corp.google.com>
On Fri, Apr 03, 2009 at 02:43:32PM -0700, David Rientjes wrote:
> On Fri, 3 Apr 2009, Andi Kleen wrote:
>
> > > Who would be the right person (or list) to talk about this?
> >
> > Your BIOS vendor whose code reported the wrong values. Not that it matters
> > really on small systems.
> >
>
> The numactl --hardware values are coming directly from the sysfs per-node
> distance interface, so this may not be a result of erroneous BIOS data but
> rather the lack of a SLIT to describe the physical topology better.
That's the same really. Think about it. No SLIT on a NUMA system is a wrong
SLIT.
BTW there are more cases, like illegal slit which is also replaced
with 10/20.
-Andi
next prev parent reply other threads:[~2009-04-03 21:52 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-03 20:02 Off topic: Numactl "distance" wrong Chris Worley
2009-04-03 20:16 ` Brice Goglin
2009-04-03 20:49 ` Yinghai Lu
2009-04-03 21:01 ` Cliff Wickman
2009-04-03 21:43 ` Yinghai Lu
2009-04-03 21:05 ` Cliff Wickman
2009-04-03 21:24 ` Andi Kleen
2009-04-03 21:43 ` David Rientjes
2009-04-03 21:48 ` Yinghai Lu
2009-04-03 21:52 ` David Rientjes
2009-04-03 21:55 ` Andi Kleen
2009-04-03 22:15 ` Yinghai Lu
2009-04-07 2:52 ` KOSAKI Motohiro
2009-04-07 6:17 ` Brice Goglin
2009-04-07 7:05 ` Andi Kleen
2009-04-07 7:40 ` Brice Goglin
2009-04-07 7:56 ` Andi Kleen
2009-04-07 7:44 ` David Rientjes
2009-04-07 7:59 ` Andi Kleen
2009-04-07 8:08 ` David Rientjes
2009-04-07 8:23 ` Andi Kleen
2009-04-07 8:30 ` David Rientjes
2009-04-07 9:13 ` Andi Kleen
2009-04-03 21:53 ` Andi Kleen [this message]
2009-04-03 21:54 ` David Rientjes
2009-04-03 22:18 ` Yinghai Lu
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