-- The system locked up but the lock-up was not detected. However, the
   dump process could be started using the Sys Rq key.

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 SCSI_DISPATCH_CMD -t exception [crash point set] name:SCSI_DISPATCH_CMD type:exception count:10 BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
f8a23497
*pde = 00000000
Oops: 0002 [#1]
SMP
Modules linked in: dtt hook ipv6 ext3 jbd rtc ide_cd cdrom eth1394 snd_intel8x0 snd_ac97_codec snd_ac97_bus hw_random snd_pcm snd_timer piix snd ehci_hcd soundcore uhci_hcd i2c_i801 ide_core psmouse ohci1394 ieee1394 evdev usbcore snd_page_alloc
CPU:    0
EIP:    0060:[<f8a23497>]    Not tainted VLI
EFLAGS: 00010297   (2.6.17-rc4-np-dtt #1)
EIP is at cpoint_default_exit+0x63/0x8d [dtt]
eax: 00000004   ebx: f75e8380   ecx: f7d44e60   edx: 00000286
esi: f7cfd800   edi: f75e8380   ebp: f7d04b30   esp: c39edee0
ds: 007b   es: 007b   ss: 0068
Process kblockd/0 (pid: 24, threadinfo=c39ed000 task=c395a580)
Stack: <0>f7d04b30 c023ba2a c03026a0 f5b9a660 c01d0717 f75e8380 f7cf9400 f7cfd800
       f7d04b30 c0240d69 f75e8380 f5b9a660 00000000 f7cf9494 f5b9a660 f7d04b30
       00000286 c39d4dc0 f7d04b30 c01c9e47 f7d04b30 f7cf4254 f7cf4258 c012ab07
Call Trace:
 <c023ba2a> SCSI_DISPATCH_CMD_hook+0x20c/0x244   <c01d0717> kobject_get+0x17/0x1e
 <c0240d69> scsi_request_fn+0x19a/0x2c7   <c01c9e47> as_work_handler+0x28/0x3a
 <c012ab07> run_workqueue+0x72/0xe9   <c01c9e1f> as_work_handler+0x0/0x3a
 <c012ad5c> worker_thread+0x11e/0x150   <c0116fc5> default_wake_function+0x0/0x15
 <c012df5e> kthread+0xe6/0xea   <c012ac3e> worker_thread+0x0/0x150
 <c012de78> kthread+0x0/0xea   <c0100e55> kernel_thread_helper+0x5/0xb
Code: 24 70 42 a2 f8 e8 d7 91 6f c7 31 c0 83 c4 04 c3 31 c0 e8 f9 fb ff ff 31 c0 83 c4 04 c3 c7 04 24 00 45 a2 f8 e8 b8 91 6f c7 eb fe <c7> 05 00 00 00 00 00 00 00 00 31 c0 83 c4 04 c3 c7 04 24 e2 44
EIP: [<f8a23497>] cpoint_default_exit+0x63/0x8d [dtt] SS:ESP 0068:c39edee0