RT : 2.6.15-rt17 and possible softlockup detected on CPU#1!

[Serge Noiraud]

Hi,
	I get the following messages :

BUG: tsc:6796, possible softlockup detected on CPU#1!
 [<c01047ec>] dump_stack+0x1c/0x20 (20)
 [<c014b3a7>] softlockup_detected+0x37/0x50 (24)
 [<c014b493>] softlockup_tick+0xd3/0xf0 (24)
 [<c012b013>] update_process_times+0x83/0x90 (16)
 [<c013da2d>] handle_update+0x1d/0x20 (12)
 [<c013dada>] handle_nextevent_update+0x1a/0x20 (12)
 [<c01137b3>] smp_apic_timer_interrupt+0x73/0x80 (16)
 [<c0104361>] apic_timer_interrupt+0x21/0x30 (-868712892)
---------------------------
| preempt count: 00010000 ]
| 0-level deep critical section nesting:
----------------------------------------

BUG: tsc:6796, possible softlockup detected on CPU#1!
 [<c01047ec>] dump_stack+0x1c/0x20 (20)
 [<c014b3a7>] softlockup_detected+0x37/0x50 (24)
 [<c014b493>] softlockup_tick+0xd3/0xf0 (24)
 [<c012b013>] update_process_times+0x83/0x90 (16)
 [<c013da2d>] handle_update+0x1d/0x20 (12)
 [<c013dada>] handle_nextevent_update+0x1a/0x20 (12)
 [<c01137b3>] smp_apic_timer_interrupt+0x73/0x80 (16)
 [<c0104361>] apic_timer_interrupt+0x21/0x30 (-868712892)
---------------------------
| preempt count: 00010000 ]
| 0-level deep critical section nesting:
----------------------------------------

BUG: tsc:6821, possible softlockup detected on CPU#1!
 [<c01047ec>] dump_stack+0x1c/0x20 (20)
 [<c014b3a7>] softlockup_detected+0x37/0x50 (24)
 [<c014b493>] softlockup_tick+0xd3/0xf0 (24)
 [<c012b013>] update_process_times+0x83/0x90 (16)
 [<c013da2d>] handle_update+0x1d/0x20 (12)
 [<c013dada>] handle_nextevent_update+0x1a/0x20 (12)
 [<c01137b3>] smp_apic_timer_interrupt+0x73/0x80 (16)
 [<c0104361>] apic_timer_interrupt+0x21/0x30 (-870324188)
---------------------------
| preempt count: 00010000 ]
| 0-level deep critical section nesting:
----------------------------------------

These messages occurs while my RT program loops.

-- 
Serge Noiraud
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