Comment 2 for bug 1477842

Sorry for log format. I resend it.

[255440.341468] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[255440.341524] IP: [<ffffffff810775e8>] __next_timer_interrupt+0xd8/0x170
[255440.341556] PGD 466cfc067 PUD 468420067 PMD 0
[255440.341581] Oops: 0000 [#1] SMP
[255440.341598] Modules linked in: netconsole configfs iptable_filter iptable_nat nf_nat_ipv4 xt_addrtype ip_tables x_tables nf_nat bridge stp llc aufs veth openvswitch vxlan ip_tunnel gre libcrc32c nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ast ttm mei_me drm_kms_helper mei drm sysimgblt sysfillrect gpio_ich syscopyarea shpchp sb_edac joydev edac_core wmi mac_hid lpc_ich ipmi_si bonding lp parport ses enclosure hid_generic usbhid hid igb dca isci i2c_algo_bit mpt2sas libsas ptp ahci libahci scsi_transport_sas raid_class pps_core
[255440.341880] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G W 3.13.0-57-generic #95~precise1-Ubuntu
[255440.341908] Hardware name: Inspur NF5270M3/NF5270M3, BIOS CHEETAH_2.1.6 02/24/2014
[255440.341932] task: ffff880869a3b000 ti: ffff880469ed8000 task.ti: ffff880469ed8000
[255440.341956] RIP: 0010:[<ffffffff810775e8>] [<ffffffff810775e8>] __next_timer_interrupt+0xd8/0x170
[255440.341987] RSP: 0018:ffff880469ed9d68 EFLAGS: 00010082
[255440.342005] RAX: 0000000000000000 RBX: 000000000103ccee RCX: 0000000000000000
[255440.342028] RDX: 0000000000000000 RSI: ffff880869b59308 RDI: 000000000000002e
[255440.342049] RBP: ffff880469ed9d98 R08: 0000000000000001 R09: 000000000000002e
[255440.342070] R10: ffff880869b59028 R11: 0000000000000000 R12: 0000000000000040
[255440.342092] R13: 0000000143ccedfb R14: ffff880869b58000 R15: 0000000007e7081e
[255440.342114] FS: 0000000000000000(0000) GS:ffff88087fc00000(0000) knlGS:0000000000000000
[255440.342137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[255440.342157] CR2: 0000000000000018 CR3: 0000000036946000 CR4: 00000000001407e0
[255440.342178] Stack:
[255440.342187] ffff880869b59028 ffff880869b59428 ffff880869b59828 ffff880869b59c28
[255440.342221] 0000000103ccedfc 0000000103ccedfc ffff880469ed9de8 ffffffff8107a272
[255440.342884] ffff880469ed9e08 ffffffff8101359a ffff880469ed9de8 ffff8802757f4ce8
[255440.343525] Call Trace:
[255440.344159] [<ffffffff8107a272>] get_next_timer_interrupt+0xa2/0x130
[255440.344796] [<ffffffff8101359a>] ? __switch_to+0xea/0x4e0
[255440.345419] [<ffffffff810dcccd>] tick_nohz_stop_sched_tick+0x1fd/0x360
[255440.346070] [<ffffffff810a365e>] ? post_schedule_idle+0xe/0x10
[255440.346710] [<ffffffff810dceba>] __tick_nohz_idle_enter+0x8a/0xc0
[255440.347357] [<ffffffff810dd13d>] tick_nohz_idle_enter+0x3d/0x70
[255440.348003] [<ffffffff810c4056>] cpu_idle_loop+0x36/0x270
[255440.348654] [<ffffffff810d9c62>] ? clockevents_register_device+0xe2/0x140
[255440.349306] [<ffffffff810c42fb>] cpu_startup_entry+0x6b/0x70
[255440.349955] [<ffffffff8104485d>] start_secondary+0xcd/0xd0
[255440.350598] Code: 7d e8 48 89 55 e0 41 89 d9 41 83 e1 3f 44 89 cf 0f 1f 00 48 63 f7 48 c1 e6 04 4c 01 d6 48 8b 16 48 39 f2 74 25 66 0f 1f 44 00 00 <f6> 42 18 01 75 11 48 8b 4a 10 41 b8 01 00 00 00 48 39 c1 48 0f
[255440.352114] RIP [<ffffffff810775e8>] __next_timer_interrupt+0xd8/0x170
[255440.352811] RSP <ffff880469ed9d68>
[255440.353499] CR2: 0000000000000018