linux-kernel - Re: [PATCH] Resurect proper handling of maxcpus= kernel option

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Message-ID: <b6a2187b0808062248m3f26caa5qbee477b489095985@mail.gmail.com>
Date:	Thu, 7 Aug 2008 13:48:21 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Li Zefan" <lizf@...fujitsu.com>
Cc:	Max.Krasnyansky@...lcomm.com, mingo@...e.hu,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	"Max Krasnyansky" <maxk@...lcomm.com>
Subject: Re: [PATCH] Resurect proper handling of maxcpus= kernel option

On Thu, Aug 7, 2008 at 12:00 PM, Li Zefan <lizf@...fujitsu.com> wrote:

> I booted my 2-core x86_32 box with maxcpus=1, and saw cpu1 was offline,

Test on Lenovo X60s (CoreDuo) 2 CPUs with maxcpus=1, and Dell R900
(Xeon QuadCore x4) 16 CPUs with maxcpus=8.

All working. I can switch online and offline up to 2CPUs on X60s, and
16CPUs on R900.

> and then I got softlockup BUG immediately when I onlined cpu1:

I'm using latest linux kernel.


Thanks,
Jeff.
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