-- Soft lockup was detected but no measures were taken. Dump triggered
   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 loop [crash point set] name:SCSI_DISPATCH_CMD type:loop count:10
nexus:~# TRIG_LOOP
BUG: soft lockup detected on CPU#0!
 <c01389c0> softlockup_tick+0x9c/0xb9   <c0124639> update_process_times+0x2f/0x75
 <c010f9cf> smp_apic_timer_interrupt+0x5f/0x70   <f8ac5495> cpoint_default_exit+0x61/0x8d [dtt]
 <c01036ec> apic_timer_interrupt+0x1c/0x24   <f8ac5495> cpoint_default_exit+0x61/0x8d [dtt]
 <c023ba2a> SCSI_DISPATCH_CMD_hook+0x20c/0x244   <c01d0717> kobject_get+0x17/0x1e
 <c0240d69> scsi_request_fn+0x19a/0x2c7   <c01c3bd3> blk_run_queue+0x69/0x84
 <c0240195> scsi_run_queue+0xa0/0x170   <c02403cc> scsi_next_command+0x2d/0x3c
 <c024048e> scsi_end_request+0xb3/0xed   <c02405b8> scsi_io_completion+0xf0/0x484
 <c0114df5> __wake_up+0x32/0x43   <c024d9b3> sd_rw_intr+0x45/0x20a
 <c023b365> scsi_finish_command+0x18/0x88   <c01c49dc> blk_done_softirq+0x6a/0x78
 <c0120e25> __do_softirq+0x72/0xdd   <c010560f> do_softirq+0x4b/0x5c
 =======================
 <c01055b3> do_IRQ+0x41/0x52   <c010365e> common_interrupt+0x1a/0x20
 <c0101a05> default_idle+0x0/0x55   <c0101a31> default_idle+0x2c/0x55
 <c0101aba> cpu_idle+0x60/0x75   <c034a73f> start_kernel+0x2dd/0x39e
 <c034a1f1> unknown_bootoption+0x0/0x271
BUG: soft lockup detected on CPU#0!
 <c01389c0> softlockup_tick+0x9c/0xb9   <c0124639> update_process_times+0x2f/0x75
 <c010f9cf> smp_apic_timer_interrupt+0x5f/0x70   <f8ac5495> cpoint_default_exit+0x61/0x8d [dtt]
 <c01036ec> apic_timer_interrupt+0x1c/0x24   <f8ac5495> cpoint_default_exit+0x61/0x8d [dtt]
 <c023ba2a> SCSI_DISPATCH_CMD_hook+0x20c/0x244   <c01d0717> kobject_get+0x17/0x1e
 <c0240d69> scsi_request_fn+0x19a/0x2c7   <c01c3bd3> blk_run_queue+0x69/0x84
 <c0240195> scsi_run_queue+0xa0/0x170   <c02403cc> scsi_next_command+0x2d/0x3c
 <c024048e> scsi_end_request+0xb3/0xed   <c02405b8> scsi_io_completion+0xf0/0x484
 <c0114df5> __wake_up+0x32/0x43   <c024d9b3> sd_rw_intr+0x45/0x20a
 <c023b365> scsi_finish_command+0x18/0x88   <c01c49dc> blk_done_softirq+0x6a/0x78
 <c0120e25> __do_softirq+0x72/0xdd   <c010560f> do_softirq+0x4b/0x5c
 =======================
 <c01055b3> do_IRQ+0x41/0x52   <c010365e> common_interrupt+0x1a/0x20
 <c0101a05> default_idle+0x0/0x55   <c0101a31> default_idle+0x2c/0x55
 <c0101aba> cpu_idle+0x60/0x75   <c034a73f> start_kernel+0x2dd/0x39e
 <c034a1f1> unknown_bootoption+0x0/0x271
SysRq : Trigger a crashdump