linux-kernel - Re: kdump fails to load and crashes [was: mmotm 2009-11-01-10-01 uploaded]

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Message-ID: <4AF05047.5090403@gmail.com>
Date:	Tue, 03 Nov 2009 16:46:15 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Vivek Goyal <vgoyal@...hat.com>
CC:	linux-kernel@...r.kernel.org, mm-commits@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>, hbabu@...ibm.com,
	kexec@...ts.infradead.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: kdump fails to load and crashes [was: mmotm 2009-11-01-10-01
 uploaded]

On 11/03/2009 04:24 PM, Vivek Goyal wrote:
>> There /proc/iomem looks like:
>> 00100000-12beffff : System RAM
>>   01000000-04ffffff : Crash kernel
>>     01000000-014680c2 : Kernel code
>>     014680c3-016f39f7 : Kernel data
>>     0175b000-017d97ab : Kernel bss
...
> Anyway, can you just try reserving memory at some other address, say
> 64M@32M and see if it works.

Yup, that's it of course. I missed it overlaps with current kernel. I
though they are areas for the crash kernels. Thanks for pointing out. So
the error is we reserve the space for kdump even we can't in fact?
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