关于CPU的问题

Question

BUG: soft lockup - CPU#3 stuck for 61s! [events/3:30]

Pid: 30, comm: events/3 Not tainted (2.6.25-14.fc9.i686 #1)
EIP: 0060:[<c042be63>] EFLAGS: 00000286 CPU: 3
EIP is at local_bh_disable+0x5/0x13
EAX: c079cd94 EBX: f78b7c14 ECX: 00000000 EDX: 00000000
ESI: 00020000 EDI: f7a97c14 EBP: c079cd94 ESP: c079cd94
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
CR0: 8005003b CR2: 08e62bc8 CR3: 33209000 CR4: 000006d0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
[<c062bad7>] _spin_lock_bh+0xb/0x22
[<c05d173a>] rt_garbage_collect+0x132/0x2ba
[<c05bd502>] dst_alloc+0x19/0x63
[<c05d402b>] ip_route_input+0x77b/0xc4b
[<c05d5348>] ip_rcv_finish+0x2c/0x287
[<c05d57a0>] ip_rcv+0x1fd/0x227
[<c05b9a7e>] netif_receive_skb+0x36b/0x386
[<c05b5510>] ? __alloc_skb+0x49/0xf8
[<f8b67ad1>] e1000_receive_skb+0x21/0x180 [e1000]
[<f8b68ba1>] e1000_clean_rx_irq+0x261/0x400 [e1000]
[<f8b6d357>] e1000_poll+0xc7/0x300 [e1000]
[<c05d084e>] ? nf_conntrack_destroy+0x13/0x15
[<c05b84a4>] net_rx_action+0xa6/0x1b2
[<c042bfd5>] __do_softirq+0x79/0xe7
[<c0407ddb>] do_softirq+0x74/0xb5
[<c042bddd>] irq_exit+0x38/0x6b
[<c0414641>] smp_apic_timer_interrupt+0x6e/0x7c
[<c04066a4>] apic_timer_interrupt+0x28/0x30
[<c06200d8>] ? hvc_alloc+0x67/0x1ca
[<c05bd3a9>] ? dst_gc_task+0x36/0x176
[<c043b4ed>] ? hrtimer_start+0x124/0x12f
[<c0424bbe>] ? hrtick_set+0x97/0xe5
[<c062a22a>] ? schedule+0x6a9/0x6db
[<c05bd373>] ? dst_gc_task+0x0/0x176
[<c0435ad1>] run_workqueue+0x7c/0xfb
[<c0435c06>] worker_thread+0xb6/0xc2
[<c04387e7>] ? autoremove_wake_function+0x0/0x33
[<c0435b50>] ? worker_thread+0x0/0xc2
[<c0438585>] kthread+0x3b/0x61
[<c043854a>] ? kthread+0x0/0x61
[<c0406833>] kernel_thread_helper+0x7/0x10
=======================
printk: 4336 messages suppressed.
dst cache overflow
printk: 4337 messages suppressed.
dst cache overflow
printk: 4334 messages suppressed.
dst cache overflow
printk: 4338 messages suppressed.
dst cache overflow
printk: 4338 messages suppressed.
dst cache overflow
printk: 4339 messages suppressed.
dst cache overflow
printk: 4337 messages suppressed.
dst cache overflow
printk: 714 messages suppressed.

不知道啥问题，请兄弟们赐教。