-- Not even the NMI handler works

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
nexus:~# modprobe dtt
Kernel Hooks Interface installed.
8 compiled-in crash points registered
Crash dump test tools' module successfully loaded
nexus:~# /home/fewy/tests/kexec-tools-1.101/objdir/build/sbin/kexec -p /home/fewy/tests/linux-2.6.17-rc4-cptr/vmlinux --args-linux --append="root=/dev/sda1 init 1 irqpoll console=ttyS0,38400 console=tty0"
nexus:~# ttutils set -p FS_DEVRW -t overflow [crash point set] name:FS_DEVRW type:overflow count:10 

(lockup)