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Message-ID: <20080619150209.GA9295@sgi.com>
Date: Thu, 19 Jun 2008 10:02:09 -0500
From: Jack Steiner <steiner@....com>
To: Ingo Molnar <mingo@...e.hu>
Cc: tglx@...utronix.de, linux-kernel@...r.kernel.org,
Mike Travis <travis@....com>,
the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH] - Increase MAX_APICS for very large x86_64 configs
On Thu, Jun 19, 2008 at 12:32:42PM +0200, Ingo Molnar wrote:
>
> * Ingo Molnar <mingo@...e.hu> wrote:
>
> > > The patch has no effect on any 32-bit kernel. It adds ~4k to the
> > > size of 64-bit kernels but only if NR_CPUS > 255.
> > >
> > > This is a repost of an earlier patch (4/16) that was implicated in a
> > > random-qa failure. I have not been able to reproduce the failure
> > > using the same boot args & config. Best guess is that some other
> > > patch caused random data corruption & this patch was a victim.
> >
> > i have just re-tested the previously failing config on tip/master:
> >
> > http://redhat.com/~mingo/misc/config-Thu_Apr_17_10_17_14_CEST_2008.bad
> > http://people.redhat.com/mingo/tip.git/README
> >
> > and the good news is that it does not crash on bootup anymore. Perhaps
> > one of Mike's fixes/improvements did the trick?
>
> unfortunately it didnt last long, -tip randconfig auto-testing found
> that your patch causes a bootup crash:
>
I built a "git-checkout -b tip-latest tip/auto-latest" tree but get compile errors.
Is this the right tree??
Have you seen this before:
In file included from arch/x86/mm/srat_64.c:13:
include/linux/acpi.h:97:1: warning: "NR_NODE_MEMBLKS" redefined
In file included from include/acpi/platform/aclinux.h:59,
from include/acpi/platform/acenv.h:140,
from include/acpi/acpi.h:54,
from include/linux/acpi.h:39,
from arch/x86/mm/srat_64.c:13:
include/asm/acpi.h:165:1: warning: this is the location of the previous definition
arch/x86/mm/srat_64.c:101: error: expected identifier or '(' before 'do'
arch/x86/mm/srat_64.c:101: error: expected identifier or '(' before 'while'
arch/x86/mm/srat_64.c:108: error: expected identifier or '(' before 'do'
arch/x86/mm/srat_64.c:108: error: expected identifier or '(' before 'while'
arch/x86/mm/srat_64.c:211: error: expected identifier or '(' before 'do'
arch/x86/mm/srat_64.c:211: error: expected identifier or '(' before 'while'
...
--- jack
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