-- Soft lockup is detected but no measures are taken

nexus:~# TRIG_LOOP BUG: soft lockup detected on CPU#3!
 <c013a06d> softlockup_tick+0x99/0xbd   <c01255fd> update_process_times+0x33/0x79
 <c011007b> smp_apic_timer_interrupt+0x5d/0x72   <f8acc665> cpoint_default_exit+0x65/0x95 [dtt]
 <c01038e4> apic_timer_interrupt+0x1c/0x24   <f8acc665> cpoint_default_exit+0x65/0x95 [dtt]
 <c013a187> INT_HW_IRQ_EN_hook+0x1f/0x21   <c013a213> INT_HARDWARE_ENTRY_hook+0x1f/0xac
 <c01058b0> do_IRQ+0x42/0x5d
 =======================
 <c0101ab2> default_idle+0x0/0x55   <c0103856> common_interrupt+0x1a/0x20
 <c0101ab2> default_idle+0x0/0x55   <c0101ade> default_idle+0x2c/0x55
 <c0101b56> cpu_idle+0x4f/0xa3
SysRq : Trigger a crashdump
Linux version 2.6.17-rc4-cptr (fewy@nexus) (gcc version 4.0.4 20060507 (prerelease) (Debian 4.0.3-3)) #1 PREEMPT Tue May 16 15:06:50 JST 2006
BIOS-provided physical RAM map: