Hi All,
I'd like to investigate kernel crashdump debuging for armv8.
For this I need a crashdump, basically I would be happy with a vmlinux with debuginfos (-g compiled) either as 1 a.out or a splitted a.out ( ala suse) a save state of some sort (a crash notes records) and a vmcore that could be a simple raw file, a core file, an elf file, a kdump format.
I am not to picky on the crashdump format for the time being.
What would be my best bet?
- Does someone as a crashdump at hand, I would simply download the vmlinux/vmcore/crashnotes.
- Make it myself as a qemu guest crash.
If qemu is able to produce a guest core dump, I could build a kernel -g then trig a guest dump (if someone did this any receipe would be appreciated :) )
- Make it myself with a manual kdump (ideal) or kexec phases.
I would then have to install linaro, get the source, build the -g vmlinux, then try some kexec sequence and catch the kcore, or better if available I could do a makedumpfile to get a kdump.
Again if one did this, any help appreciated.