Hi, Muniyappa, Rangappa wrote: > Its bigger than 4GB. > > And output of 'readelf -a /proc/vmcore' > > ELF Header: > Magic: 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00 > Class: ELF32 (snip) > 3) in this point u telling to set something when preloading the kdump , > may I know hw to set that one In /etc/sysconfig/kdump file, there is "KEXEC_OPTIONS" and I guess that you can do it if adding "--elf64-core-headers" to this item. ## Type: string ## Default: "" ## ServiceRestart: kdump # # Additional arguments passed to kexec. For example, to generate # ELF32 dump on x86-64 to allow i386 systems to read dump, set # "--elf32-core-headers" here. # # Keep this empty in most cases. # KEXEC_OPTIONS="" Thanks Ken'ichi Ohmichi
