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Date: Mon, 24 May 2010 08:59:09 +0200
From: Borislav Petkov <bp@alien8.de>
To: Jacek J <69rydzyk69@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: CPU #1 not responding Problem
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From: Jacek J <69rydzyk69@gmail.com>
Date: Mon, May 24, 2010 at 12:14:49AM +0200

Hi,

> sometimes (very rarely), when I boot my machine, I get messages that
> some cores are not responding (#0, #,1 #,2). #3 is responding and
> system boots with one core. After reboot it boots fine with all 4
> cores. My CPU is Phenom II X940, I use archlinux.

what kernel are you using? Can we see the dmesg of the time when the
cores are not responding? Can you try reproducing this with a vanilla
kernel from kernel.org.

Thanks.

-- 
Regards/Gruss,
    Boris.