linux-kernel - Re: 2.6.27rc1 cannot boot more than 8CPUs

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Message-ID: <b6a2187b0808172007u69243abewb357fd8ec4a01e57@mail.gmail.com>
Date:	Mon, 18 Aug 2008 11:07:06 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Yinghai Lu" <yhlu.kernel@...il.com>,
	"David Miller" <davem@...emloft.net>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.27rc1 cannot boot more than 8CPUs

On Fri, Aug 15, 2008 at 10:07 PM, Ingo Molnar <mingo@...e.hu> wrote:

> thanks. To make sure it's all sorted out you might want to boot today's
> tip/master and check whether it just does the right thing by default.
> (it really should)

Yes, verified and it's working now. The warnings show up.

Short dmesg here. Detailed dmesg attached.

Checking 'hlt' instruction... OK.
ACPI: Core revision 20080609
More than 8 CPUs detected - skipping them.
Use CONFIG_X86_GENERICARCH and CONFIG_X86_BIGSMP.
ENABLING IO-APIC IRQs
..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
CPU0: Intel(R) Xeon(R) CPU           L7345  @ 1.86GHz stepping 0b
CPU 1 irqstacks, hard=c0527000 soft=c0517000
Booting processor 1/8 ip 6000
Initializing CPU#1
Calibrating delay using timer specific routine.. 3723.84 BogoMIPS (lpj=7447688)
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU: Physical Processor ID: 2
CPU: Processor Core ID: 0

Thank you YingHai and Ingo for your great help! Sorry it look at while to reply.

Jeff.

View attachment "dmesg.txt" of type "text/plain" (39313 bytes)