Hard LOCKUP is detected at bnx2_poll in bnx2

Issue

• Hard LOCKUP is detected in bnx2 driver at bnx2_poll:

Kernel panic - not syncing: Watchdog detected hard LOCKUP on cpu 0
Pid: 51, comm: events/0 Tainted: G        W  ----------------   2.6.32-131.0.15.el6.x86_64 #1
Call Trace:

 [<ffffffff814ddade>] ? _spin_lock+0x1e/0x30
 <<EOE>>  [<ffffffffa018ddc5>] ? bnx2_poll+0xf5/0x2d8 [bnx2]
 [<ffffffff8143254c>] ? netpoll_poll_dev+0xdc/0x440
 [<ffffffff81432a87>] ? netpoll_send_skb+0x127/0x250
 [<ffffffff81432dbf>] ? netpoll_send_udp+0x20f/0x220
 [<ffffffffa003330b>] ? write_msg+0xbb/0x120 [netconsole]
 [<ffffffff810672d5>] ? __call_console_drivers+0x75/0x90
 [<ffffffff8106733a>] ? _call_console_drivers+0x4a/0x80
 [<ffffffff81067908>] ? release_console_sem+0x108/0x220
 [<ffffffff81067f88>] ? vprintk+0x1c8/0x4f0
 [<ffffffff8115b39b>] ? __kmalloc_node+0x7b/0x100
 [<ffffffff8100bc8e>] ? apic_timer_interrupt+0xe/0x20
 [<ffffffff814dad34>] ? printk+0x41/0x45
 [<ffffffffa018391f>] ? bnx2_report_link+0x9f/0x300 [bnx2]
 [<ffffffff8126d606>] ? __const_udelay+0x46/0x50
 [<ffffffffa01826e2>] ? bnx2_read_phy+0x82/0x130 [bnx2]
 [<ffffffffa0183cf2>] ? bnx2_set_link+0x172/0x600 [bnx2]
 [<ffffffffa018b242>] ? bnx2_init_nic+0x72/0xa0 [bnx2]
 [<ffffffffa018b560>] ? bnx2_reset_task+0x0/0x80 [bnx2]
 [<ffffffffa018b5ac>] ? bnx2_reset_task+0x4c/0x80 [bnx2]