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Subject: Re: HT apparently not detected properly on 2.4.23
From: Andre Tomt <lkml@tomt.net>
To: linux-kernel@vger.kernel.org
Cc: Ethan Weinstein <lists@stinkfoot.org>
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Date: Wed, 03 Dec 2003 20:40:51 +0100
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On Wed, 2003-12-03 at 19:46, Ethan Weinstein wrote:
> Hi,
> 
> With 2.4.22, my Supermicro X5DPL-iGM-O (E7501 chipset) with 2 
> xeons@2.4ghz and hypertherading enabled shows 4 cpu's in 
> /proc/cpuinfo|proc/interrupts, with:
> CONFIG_ACPI=y
> CONFIG_ACPI_HT_ONLY=y
> The same config with 2.4.23 only shows 2 cpus, even with:
> CONFIG_NR_CPUS=4

This may be the known problem about CONFIG_NR_CPU's not working properly
in all cases. Try up'ing it to 32.