Re: the exiting makedumpfile is almost there... :)

[Jay Lan <jlan@sgi.com>]

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Ken'ichi Ohmichi wrote:
> Hi Hedi, Jay,
> 
> Hedi Berriche wrote:
>> In addition to what other folks have mentioned about giving the latest crash
>> version a try, I'd like to point out that makedumpfile did spit a couple of
>> warnings while creating the vmcore
>>
>>
>> | Can't distinguish the pgtable.
>> | The kernel version is not supported.
>> | The created dumpfile may be incomplete.
>>
>> these warnings added to the fact that later on crash choked with
>>
>> | NOTE: page_hash_table does not exist in this kernel
>> | crash: page excluded: kernel virtual address: e000006003108e00  type:
>>
>> seem to suggest that the makedumpfile warnings could be relevant to the
>> end result.
> 
> Oh, good point.
> If makedumpfile cannot distinguish the pgtable, it guesses PGTABLE_3 and
> creates a dumpfile. If Jay's kernel .config file has CONFIG_PGTABLE_4=y,
> makedumpfile misunderstands the pgtable. If it has CONFIG_PGTABLE_4=y,
> could you please try the attached patch ? This patch is only for debugging,
> and I'll investigate the cause.

My .config uses CONFIG_PGTABLE_3=y.
I will try to build makedumpfile-1.2.9 and report back.

Thanks
jay

> 
> 
> Thanks
> Ken'ichi Ohmichi
> 
> ---
> diff -puN backup/makedumpfile-1.2.9/ia64.c makedumpfile/ia64.c
> --- backup/makedumpfile-1.2.9/ia64.c	2008-09-04 16:31:58.000000000 +0900
> +++ makedumpfile/ia64.c	2008-09-12 11:27:38.000000000 +0900
> @@ -79,6 +79,7 @@ get_machdep_info_ia64(void)
>  		vt.mem_flags |= MEMORY_PAGETABLE_3L;
>  		DEBUG_MSG("PAGETABLE_3L : ON\n");
>  	} else {
> +		vt.mem_flags |= MEMORY_PAGETABLE_4L;
>  		MSG("Can't distinguish the pgtable.\n");
>  	}
>  
> 
> 
> 
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> 
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