Software:
- 2.6.16-mm2
- kexec-tools-1.101 + kdump7 patch

Test-Procedure:

- Download lkdtt userspace tools dtt_tools.tar.bz2 from lkdtt.sf.net.
- Download the kernel hook patch (dtt-full-2.6.16-rc3.patch). I my have ported this 
  patch to 2.6.16-mm2.
- Apply the patch to the kernel source tree.
- Built first kernel for 1M location with CONFIG_KEXEC enabled.
- Booted into first kernel with command line options crashkernel=48M@16M.
- Built second kernel for 16M location with CONFIG_CRASH_DUMP, and
  CONFIG_PROC_VMCORE enabled.
- Loaded second kernel with following kexec command.

  kexec -p vmlinux-16M --args-linux --append="root=<root-dev>"

-  using lkdtt tools to list and crash points ./lkdtt ls.

- Enable the crash point by the following command. 
 	./ttutils set -p "crash point" -t "type of crash" -c 100