[Crash-utility] [PATCH v3 0/3] vmalloc translation support for PPC

Suzuki K. Poulose suzuki at in.ibm.com
Sat Feb 18 18:20:17 UTC 2012


On 02/18/2012 12:38 AM, Dave Anderson wrote:
>
>
> ----- Original Message -----
>> On 02/17/2012 07:25 PM, Dave Anderson wrote:
> ...
>>>> Why doesn't it get called in x86_64 case even when the flags indicate
>>>> page 'PRESENT' ?
>>>
>>> I don't know -- that's what I was asking!
>>
>> The only suspect is :
>>
>> 	if (page_exists) {
>>>>>              if ((pc->flags&  DEVMEM)&&  (paddr>= VTOP(vt->high_memory)))<<
>>                           return;
>
> I'm not sure whether you are testing ppc on a dumpfile or a live
> system using /dev/mem, and I don't know what your paddr value and
> vs your vt->high_memory are.
>

I am testing this on a dumpfile and
vt->high_memory = 0xc8000000 .

Anyways, let us fix this with your suggestion.

Thanks
Suzuki




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