David. > I'm running Ubuntu Hardy with a 2.6.28 kernel on VirtualBox, and want to > simply restart the current kernel (because I'm a kexec noob and that > seems a sensible first step.) I've put "break=init" on the command line > so it gives me a shell just before pivoting root from the initrd to the > hard-disk. I do the kexec -l and kexec -e, the kernel (re)starts, does > all of the usual startup things, and drops me back in a shell when it's > about to start init (break=init, remember?) At this point, when I try > to run almost any command, for example "chroot /root bash", I get > "Segmentation fault" with general protection logged in dmesg, for > example: "bash[1058] general protection ip:b7f0c425 sb:bfb282f4 > error:0" No doubt I'm making a basic mistake, but Google failed to show > me what, hence I'm asking here for suggestions. > > Has anyone any suggestion? 2.6.28 is pretty old these days. It's unlikely someone here is going to help you debug a kernel that ancient. Can you retry with current mainline and kexec-tools user space? Also post your full boot log and kexec -l and -e outputs when you hit this problem. Mikey
