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
