kernel crash in timer interrupt handler

[gshan]

The kernel crashed inside timer handler. Anyone has ideas? The Linux I'm 
using is 2.6.19. Thanks in advance!

BUG: soft lockup detected on CPU#0!

Call Trace:

[C0395EA0] [C000C308] show_stack+0x58/0x180 (unreliable)

[C0395ED0] [C0043A18] softlockup_tick+0xac/0xc8

[C0395EF0] [C00223C4] run_local_timers+0x18/0x28

[C0395F00] [C0022414] update_process_times+0x40/0x7c

[C0395F10] [C0005800] timer_interrupt+0x70/0x208

[C0395F40] [C0004874] ret_from_except+0x0/0x14
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