* Indraneel <indraneel.m at samsung.com> [2007-08-20 13:51]: > Hi Vivek/Bernhard, > > Vivek Goyal wrote: > > On Tue, Aug 14, 2007 at 06:41:54PM +0530, Indraneel wrote: > >> Hi, > >> I'm trying to make Kdump work for ARM. Till now i've managed to get the > >> /dev/oldmem interface working for taking dumps. Now i want to get the > >> /proc/vmcore interface working. > >> I'm unclear how to generate the elfcore headers required by routines in > >> vmcore.c. > >> > > > > Hi Indraneel, > > > > kexec-tools in user space generates those headers. Have a loot at > > kexec-tools code. > > Thanks for the lead. I'm looking into kexec-tools and trying to do > changes for ARM. I'm unable to interpret one of the comments in > kexec/crashdump-elf.c which says, > " The separate PT_LOAD program header is required either because the > kernel is mapped at a different location than the rest of the > physical memory or because we need to support relocatable kernels. > Or both as on x86_64. " > > Can you please provide some more clarification for this so that i can > figure out whether a separate PT_LOAD header is required for ARM > architecture as well (esp. the "kernel mapped to diff. loc. part of the > comment"). Is the ARM kernel relocatable? If no, then you don't need this. Thanks, Bernhard