[Crash-utility] ARM support for CONFIG_SPARSEMEM: (was Re:DDimage)

[takuo.koguchi.sw at hitachi.com]

Mika,
>Is it possible to provide me a sample vmlinux/vmcore pair which I
>could use for testing?
I am very sorry, but probably I cannot do that...

Takuo 

>On Wed, May 25, 2011 at 8:07 AM,  <takuo.koguchi.sw at hitachi.com> wrote:
>> Thanks Dave, MW, Jan,
>>
>> I tried the patch which set machdep->section_size_bits and machdep->max_physmem_bits.
>>
>> When _SECTION_SIZE_BITS is 28, I got the following error, and failed in sparse_mem_init()
>> PAGESIZE=4096
>> mem_section_size = 0
>> NR_SECTION_ROOTS = 0
>> NR_MEM_SECTIONS = 16
>> SECTIONS_PER_ROOT = 512
>> SECTION_ROOT_MASK = 0x1ff
>> PAGES_PER_SECTION = 65536
>> crash: invalid size request: 0  type: "memory section root table"
>>
>>
>> And when _SECTION_SIZE_BITS is 22, I got the following and sparse_mem_init() returns with out error.
>>
>> PAGESIZE=4096
>> mem_section_size = 8
>> NR_SECTION_ROOTS = 2
>> NR_MEM_SECTIONS = 1024
>> SECTIONS_PER_ROOT = 512
>> SECTION_ROOT_MASK = 0x1ff
>> PAGES_PER_SECTION = 1024
>>
>> ... But I got another error later, which I will report later.
>>
>
>Is it possible to provide me a sample vmlinux/vmcore pair which I
>could use for testing?
>
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