On Friday 15 May 2015 12:30 PM, Atsushi Kumagai wrote:
But, crash does not like the vmcore
> # crash/lib/modules/.../build/vmlinux vmcore -d 31
>
><readmem: fffffe01ffde2000, KVADDR, "memory section", 32, (FOE),
>a2c4eb0>
><read_diskdump: addr: fffffe01ffde2000 paddr: 41fffe2000 cnt: 32>
>read_diskdump: SEEK_ERROR: paddr/pfn: 41fffe2000/41fffe max_mapnr:
>414000
According to this message, it seems that the max_mapnr in disk_dump_header
was calculated wrongly by makedumpfile. pfn:41fffe must be exist since
crash requires it, so max_mapnr must be shortened.
What is the actual maximum pfn of the original vmcore ? If the number is
correct, I have no ideas for now...
Thanks a lot for the pointer. I was able to find error in my aarch64
code after following your pointer.
Will send the patch for review.
~Pratyush
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