linux-kernel - Re: kdump broken on 2.6.37-rc4

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Message-ID: <4D0BBE00.3010602@kernel.org>
Date:	Fri, 17 Dec 2010 11:46:08 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Vivek Goyal <vgoyal@...hat.com>,
	Stanislaw Gruszka <sgruszka@...hat.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Maxim Uvarov <muvarov@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Neil Horman <nhorman@...hat.com>
Subject: Re: kdump broken on 2.6.37-rc4

On 12/17/2010 11:39 AM, H. Peter Anvin wrote:
> On 12/17/2010 10:21 AM, Yinghai Lu wrote:
>>>>
>>>> Do we have actual testing for how high the 64-bit kernel will load?
>>>
>>> I will do some experiments on my box today and let you know.
>>
>> if bzImage is used, it is 896M.
>>
> 
> Why?  896 MiB is a 32-bit kernel limitation which doesn't have anything
> to do with the bzImage format.
> 
> So unless there is something going on here, I suspect you're just plain
> flat wrong.

kexec-tools have some checking when it loads bzImage.

	Yinghai
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