From: Andrew Morton <akpm@zip.com.au>
To: Andreas Dilger <adilger@clusterfs.com>
Cc: Robert Love <rml@tech9.net>, "David S. Miller" <davem@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [patch] CONFIG_NR_CPUS
Date: Thu, 06 Jun 2002 14:04:11 -0700 [thread overview]
Message-ID: <3CFFCE4B.F422EE7@zip.com.au> (raw)
In-Reply-To: <20020606.031520.08940800.davem@redhat.com> <1023377213.13787.2.camel@sinai> <3CFFBCA9.843C40F0@zip.com.au> <20020606205508.GN27817@turbolinux.com>
Andreas Dilger wrote:
>
> On Jun 06, 2002 12:48 -0700, Andrew Morton wrote:
> > But the arch maintainers should test one case please - x86
> > was locking up at boot on quad CPU with NR_CPUS=2. Others may do
> > the same.
>
> Just a guess, but this could be because the two CPUs chosen for the
> boot sequence are not physically numbered 0 and 1, so they are
> overwriting the bounds of the per-CPU arrays.
Well the code was assuming that the number of physical
CPUs was always <= NR_CPUS unless max_cpus had been
specified. I fixed that in the patch.
-
next prev parent reply other threads:[~2002-06-06 21:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-06 10:10 [patch] CONFIG_NR_CPUS Andrew Morton
2002-06-06 10:15 ` David S. Miller
2002-06-06 15:26 ` Robert Love
2002-06-06 17:05 ` Tom Rini
2002-06-06 17:09 ` Adam Kropelin
2002-06-06 17:52 ` Robert Love
2002-06-06 19:48 ` Andrew Morton
2002-06-06 20:55 ` Andreas Dilger
2002-06-06 21:04 ` Andrew Morton [this message]
2002-06-06 21:23 ` Thomas 'Dent' Mirlacher
2002-06-06 21:36 ` Dave Jones
2002-06-06 21:49 ` Thomas 'Dent' Mirlacher
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