Hi all,
I am trying to use atheros wireless driver in my AP. My kernel is SMP enabled, My kernel space is 64 and user space is 32 bit system.

When I enable WPA mode I get this bug and CPU hangs..

0:[]0: dump_stack+0x8/0x38
0:[]0: softlockup_tick+0x104/0x158
0:[]0: update_process_times+0x3c/0x98
0:[]0: timer_interrupt+0x144/0x198
0:[]0: ll_timer_interrupt+0x90/0xf8
0:[]0: ret_from_irq+0x0/0x4
0:[]0: _spin_lock_irqsave+0x108/0x130
0:[]0: ieee80211_free_node+0x38/0x188
0:[]0: ieee80211_input_all+0xa4/0x118
0:[]0: ath_rx_tasklet+0xd0c/0xda0
0:[]0: tasklet_action+0x184/0x5a0
0:[]0: __do_softirq+0xf4/0x210
0:[]0: do_softirq+0xf8/0x148
0:[]0: irq_exit+0x6c/0x80
0:[]0: ret_from_irq+0x0/0x4
0:[]0: phoenix_wait+0x4/0x10
0:[]0: cpu_idle+0x34/0x68
0:[]0: start_kernel+0x4c8/0x778

Can any one please help me in how to debug this soft lock. I am new to SMP based programming.