Watchdog detected hard LOCKUP with backtrace in __math_state_restore

Issue

System freezes/panics, with message similar as this on kernel log:

Kernel panic - not syncing: Watchdog detected hard LOCKUP on cpu 16
Pid: 0, comm: swapper Tainted: P           ----------------   2.6.32-220.7.1.el6.x86_64 #1
Call Trace:
 <NMI>  [<ffffffff814ec3fa>] ? panic+0x78/0x143
 [<ffffffff810d8f5d>] ? watchdog_overflow_callback+0xcd/0xd0
 [<ffffffff8110a84d>] ? __perf_event_overflow+0x9d/0x230
 [<ffffffff8110ae04>] ? perf_event_overflow+0x14/0x20
 [<ffffffff8101e296>] ? intel_pmu_handle_irq+0x336/0x550
 [<ffffffff814f1fc6>] ? kprobe_exceptions_notify+0x16/0x430
 [<ffffffff814f0aa9>] ? perf_event_nmi_handler+0x39/0xb0
 [<ffffffff814f25f5>] ? notifier_call_chain+0x55/0x80
 [<ffffffff814f265a>] ? atomic_notifier_call_chain+0x1a/0x20
 [<ffffffff81096a6e>] ? notify_die+0x2e/0x30
 [<ffffffff814f0273>] ? do_nmi+0x173/0x2b0
 [<ffffffff814efb80>] ? nmi+0x20/0x30
 [<ffffffff814ef3e8>] ? _spin_lock+0x18/0x30
 <<EOE>>  [<ffffffff81051c1d>] ? task_rq_lock+0x5d/0xa0
 [<ffffffff8105e44c>] ? try_to_wake_up+0x3c/0x3e0
 [<ffffffff8105e820>] ? wake_up_state+0x10/0x20
 [<ffffffff810810ad>] ? signal_wake_up+0x2d/0x40
 [<ffffffff81081f74>] ? complete_signal+0x124/0x200
 [<ffffffff810821ca>] ? __send_signal+0x17a/0x3d0
 [<ffffffff81082462>] ? send_signal+0x42/0x80
 [<ffffffff81083569>] ? force_sig_info+0x89/0x110
 [<ffffffff81083606>] ? force_sig+0x16/0x20
 [<ffffffff8100c50c>] ? __math_state_restore+0x8c/0x90
 [<ffffffff81053280>] ? __dequeue_entity+0x30/0x50
 [<ffffffff8100988e>] ? __switch_to+0x26e/0x320
 [<ffffffff8100968b>] ? __switch_to+0x6b/0x320
 [<ffffffff814ecac0>] ? thread_return+0x0/0x760
 [<ffffffff81095c54>] ? hrtimer_start_range_ns+0x14/0x20
 [<ffffffff81009e3e>] ? cpu_idle+0xee/0x110
 [<ffffffff814e5ffc>] ? start_secondary+0x202/0x245