Re: 2.6.27rc1 cannot boot more than 8CPUs

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From: David Miller <davem@...>

To: <jeff.chua.linux@...>

Cc: <linux-kernel@...>

Subject: Re: 2.6.27rc1 cannot boot more than 8CPUs

Date: Wednesday, August 6, 2008 - 1:19 am

From: "Jeff Chua" <jeff.chua.linux@gmail.com>
Date: Wed, 6 Aug 2008 11:15:30 +0800

quoted text> I've a Dell R900 with 4 quad-core Xeon processors (total 16CPUs), but
> can only managed to boot up with CONFIG_NR_CPUS=8. Setting
> CONFIG_NR_CPUS=16 causes the kernel to hang while booting.
> 
> 
> Here's the dmesg with CONFIG_NR_CPUS=8 ...

Do you have lockdep enabled?  If sure, try turning that off.
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Messages in current thread:

2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Tue Aug 5, 11:15 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Linus Torvalds, (Wed Aug 6, 2:01 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 2:42 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 11:33 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Ingo Molnar, (Mon Aug 11, 3:59 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Yinghai Lu, (Mon Aug 11, 4:03 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Ingo Molnar, (Mon Aug 11, 4:08 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Yinghai Lu, (Mon Aug 11, 4:12 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Yinghai Lu, (Mon Aug 11, 4:36 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Ingo Molnar, (Mon Aug 11, 4:44 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, David Miller, (Wed Aug 6, 1:19 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 2:42 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Yinghai Lu, (Wed Aug 6, 4:49 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 5:35 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 5:42 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, David Miller, (Wed Aug 6, 3:18 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 5:33 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, David Miller, (Wed Aug 6, 5:36 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 5:50 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Max Krasnyansky, (Tue Aug 5, 11:31 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Tue Aug 5, 11:50 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Max Krasnyansky, (Tue Aug 5, 11:54 pm)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Jeff Chua, (Wed Aug 6, 12:06 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Max Krasnyansky, (Wed Aug 6, 12:48 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Li Zefan, (Wed Aug 6, 12:53 am)

Re: 2.6.27rc1 cannot boot more than 8CPUs, Max Krasnyansky, (Wed Aug 6, 4:11 pm)

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