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Date: Fri, 4 Jun 2010 17:49:36 +0800
From: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Vitaly Mayatskikh <v.mayatskih@gmail.com>, Vivek Goyal <vgoyal@redhat.com>,
       linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
       "H. Peter Anvin" <hpa@zytor.com>, Randy Dunlap <rdunlap@xenotime.net>
Subject: Re: [PATCH 0/5] kdump: extract log buffer and registers from
 vmcore on NMI button pressing
Message-ID: <20100604094936.GA5975@cr0.nay.redhat.com>
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On Thu, Jun 03, 2010 at 05:13:47PM +0200, Andi Kleen wrote:
>> > NMI would be only needed if the crash kernel is completely
>> > hosed too.
>> 
>> That's the case.
>
>You're saying it booted but is hosed after boot?
>
>That seems like a very obscure case. Is that really common?
>

Actually, I met two of this kind of cases recently.

One was stucked in early_idt_hander() during booting the second kernel,
the other one is even worse, I even can't find where it hangs.
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