https://bugzilla.kernel.org/show_bug.cgi?id=177761

            Bug ID: 177761
           Summary: [Oops] IP: [<ffffffffa017472d>]
                    acpi_cpufreq_target+0x5d/0x240 [acpi_cpufreq]
           Product: ACPI
           Version: 2.5
    Kernel Version: 4.8.0 4.9-rc
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: ACPICA-Core
          Assignee: acpi_acpica-c...@kernel-bugs.osdl.org
          Reporter: yin-jianh...@163.com
        Regression: No

Desc:
 Got Oops/panic when system start

How reproducible:
 not 100%, but always.

machine info:
 Vendor     IBM
 Model     System x3550 M3 -[7944Q05]- 00
 Memory     14073 MB
 NUMA Nodes     0

 Vendor    GenuineIntel
 Model Name    Intel(R) Xeon(R) CPU E5606 @ 2.13GHz
 Family    6
 Model    44
 Stepping    2
 Speed    1197.0
 Processors    8
 Cores    8
 Sockets    2
 Hyper    False
 Flags    fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat
pse36  clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx pdpe1gb rdtscp lm
constant_tsc arch_perfmon pebs bts xtopology nonstop_tsc aperfmperf pni
pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1
sse4_2 popcnt aes lahf_lm arat epb dts tpr_shadow vnmi flexpriority ept vpid
 Arch(s)    i386 x86_64 


console log:
```
Red Hat Enterprise Linux Workstation 7.3 (Maipo) 
Kernel 4.8.0 on an x86_64 

localhost login: [   29.566636] BUG: unable to handle kernel paging request at
ffff880e7247c2f8 
[   29.573643] IP: [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.581238] PGD 2284067 [   29.583601] PUD 0  
[   29.585634]  
[   29.587130] Oops: 0000 [#1] SMP 
[   29.590275] Modules linked in: intel_powerclamp coretemp kvm_intel kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw
gf128mul sg glue_helper cdc_ether ablk_helper cryptd i7core_edac usbnet
iTCO_wdt ipmi_ssif mii ipmi_devintf iTCO_vendor_support i2c_i801 pcspkr
edac_core lpc_ich ipmi_si shpchp i2c_smbus ipmi_msghandler ioatdma acpi_cpufreq
nfsd dca auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod
mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops ttm ata_generic pata_acpi drm ata_piix libata crc32c_intel
serio_raw megaraid_sas i2c_core bnx2 fjes dm_mirror dm_region_hash dm_log
dm_mod 
[   29.650364] CPU: 9 PID: 43 Comm: kworker/9:0 Not tainted 4.8.0 #1 
[   29.656456] Hardware name: IBM IBM System x -[7944Q05]-/90Y4784, BIOS
-[D6E150CUS-1.11]- 02/08/2011 
[   29.665501] Workqueue: events dbs_work_handler 
[   29.669966] task: ffff8802ff368000 task.stack: ffffc90001aa8000 
[   29.675884] RIP: 0010:[<ffffffffa017472d>]  [<ffffffffa017472d>]
acpi_cpufreq_target+0x5d/0x240 [acpi_cpufreq] 
[   29.685903] RSP: 0018:ffffc90001aabcf0  EFLAGS: 00010202 
[   29.691217] RAX: 0000000000000009 RBX: 0000000bfffffff4 RCX:
000060fc80000610 
[   29.698348] RDX: ffff88027247c300 RSI: 00000000ffffffff RDI:
ffff88037fac0000 
[   29.705479] RBP: ffffc90001aabd48 R08: 0000000000000200 R09:
0000000000000000 
[   29.712608] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880377651200 
[   29.719738] R13: 00000000ffffffff R14: ffff880273a2fe80 R15:
0000000000000000 
[   29.726867] FS:  0000000000000000(0000) GS:ffff88037fac0000(0000)
knlGS:0000000000000000 
[   29.734952] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 
[   29.740695] CR2: ffff880e7247c2f8 CR3: 0000000001c06000 CR4:
00000000000006e0 
[   29.747823] Stack: 
[   29.749838]  ffffffff8159deeb ffffc90001aabd68 ffff880300000009
ffffc90001aabd68 
[   29.757314]  ffffc90001aabd38 00000000bd4e70c4 ffff880377651200
ffffc90001aabd60 
[   29.764788]  00000000ffffffff 0000000000000001 0000000000000000
ffffc90001aabda0 
[   29.772264] Call Trace: 
[   29.774719]  [<ffffffff8159deeb>] ? cpufreq_freq_transition_begin+0xab/0x140 
[   29.781767]  [<ffffffff8159e465>] __cpufreq_driver_target+0x315/0x5f0 
[   29.788206]  [<ffffffff815a1ef5>] cs_dbs_timer+0x135/0x150 
[   29.793692]  [<ffffffff815a24d1>] dbs_work_handler+0x31/0x60 
[   29.799352]  [<ffffffff810a8be2>] process_one_work+0x152/0x400 
[   29.805185]  [<ffffffff810a94d5>] worker_thread+0x125/0x4b0 
[   29.810756]  [<ffffffff810a93b0>] ? rescuer_thread+0x380/0x380 
[   29.816589]  [<ffffffff810af039>] kthread+0xd9/0xf0 
[   29.821466]  [<ffffffff810aef60>] ? kthread_park+0x60/0x60 
[   29.826956]  [<ffffffff8170de55>] ret_from_fork+0x25/0x30 
[   29.832354] Code: 0f 84 b8 01 00 00 41 8b 46 08 89 f6 49 8b 94 24 98 00 00
00 48 8d 1c 76 48 8b 0d f7 34 00 00 48 c1 e3 02 48 8b 3c c5 20 84 ac 81 <8b> 54
1a 04 49 89 cf 49 01 ff 89 d6 89 55 ac 41 8b 17 39 f2 0f  
[   29.852547] RIP  [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.860218]  RSP <ffffc90001aabcf0> 
[   29.863709] CR2: ffff880e7247c2f8 
[   29.867036] ---[ end trace b30f1c6d6b6426ef ]--- 
[   29.867042] BUG: unable to handle kernel paging request at ffff880e7247c0f8 
[   29.867049] IP: [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.867052] PGD 2284067  
[   29.867053] PUD 0  
[   29.867053]  
[   29.867055] Oops: 0000 [#2] SMP 
[   29.867091] Modules linked in: intel_powerclamp coretemp kvm_intel kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw
gf128mul sg glue_helper cdc_ether ablk_helper cryptd i7core_edac usbnet
iTCO_wdt ipmi_ssif mii ipmi_devintf iTCO_vendor_support i2c_i801 pcspkr
edac_core lpc_ich ipmi_si shpchp i2c_smbus ipmi_msghandler ioatdma acpi_cpufreq
nfsd dca auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod
mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops ttm ata_generic pata_acpi drm ata_piix libata crc32c_intel
serio_raw megaraid_sas i2c_core bnx2 fjes dm_mirror dm_region_hash dm_log
dm_mod 
[   29.867094] CPU: 4 PID: 1071 Comm: kworker/4:3 Tainted: G      D        
4.8.0 #1 
[   29.867096] Hardware name: IBM IBM System x -[7944Q05]-/90Y4784, BIOS
-[D6E150CUS-1.11]- 02/08/2011 
[   29.867101] Workqueue: events dbs_work_handler 
[   29.867103] task: ffff8802725d9580 task.stack: ffffc900023b4000 
[   29.867107] RIP: 0010:[<ffffffffa017472d>]  [<ffffffffa017472d>]
acpi_cpufreq_target+0x5d/0x240 [acpi_cpufreq] 
[   29.867108] RSP: 0018:ffffc900023b7cf0  EFLAGS: 00010202 
[   29.867110] RAX: 0000000000000004 RBX: 0000000bfffffff4 RCX:
000060fc80000610 
[   29.867111] RDX: ffff88027247c100 RSI: 00000000ffffffff RDI:
ffff880277ac0000 
[   29.867112] RBP: ffffc900023b7d48 R08: 0000000000000010 R09:
0000000000000000 
[   29.867113] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880377652400 
[   29.867114] R13: 00000000ffffffff R14: ffff880273a2f900 R15:
0000000000000000 
[   29.867116] FS:  0000000000000000(0000) GS:ffff880277ac0000(0000)
knlGS:0000000000000000 
[   29.867118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 
[   29.867119] CR2: ffff880e7247c0f8 CR3: 0000000001c06000 CR4:
00000000000006e0 
[   29.867120] Stack: 
[   29.867123]  ffffffff8159deeb ffffc900023b7d68 ffff880200000004
ffffc900023b7d68 
[   29.867125]  ffffc900023b7d38 000000007a561e2d ffff880377652400
ffffc900023b7d60 
[   29.867128]  00000000ffffffff 0000000000000001 0000000000000000
ffffc900023b7da0 
[   29.867128] Call Trace: 
[   29.867135]  [<ffffffff8159deeb>] ? cpufreq_freq_transition_begin+0xab/0x140 
[   29.867138]  [<ffffffff8159e465>] __cpufreq_driver_target+0x315/0x5f0 
[   29.867140]  [<ffffffff815a1ef5>] cs_dbs_timer+0x135/0x150 
[   29.867142]  [<ffffffff815a24d1>] dbs_work_handler+0x31/0x60 
[   29.867147]  [<ffffffff810a8be2>] process_one_work+0x152/0x400 
[   29.867149]  [<ffffffff810a94d5>] worker_thread+0x125/0x4b0 
[   29.867151]  [<ffffffff810a93b0>] ? rescuer_thread+0x380/0x380 
[   29.867155]  [<ffffffff810af039>] kthread+0xd9/0xf0 
[   29.867158]  [<ffffffff810aef60>] ? kthread_park+0x60/0x60 
[   29.867163]  [<ffffffff8170de55>] ret_from_fork+0x25/0x30 
[   29.867188] Code: 0f 84 b8 01 00 00 41 8b 46 08 89 f6 49 8b 94 24 98 00 00
00 48 8d 1c 76 48 8b 0d f7 34 00 00 48 c1 e3 02 48 8b 3c c5 20 84 ac 81 <8b> 54
1a 04 49 89 cf 49 01 ff 89 d6 89 55 ac 41 8b 17 39 f2 0f  
[   29.867192] RIP  [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.867192]  RSP <ffffc900023b7cf0> 
[   29.867193] CR2: ffff880e7247c0f8 
[   29.867202] ---[ end trace b30f1c6d6b6426f0 ]--- 
[   29.867205] BUG: unable to handle kernel  
[   29.867205] Kernel panic - not syncing: Fatal exception 
[   29.867209] paging request at ffff880e7247c1f8 
[   29.867215] IP: [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.867217] PGD 2284067  
[   29.867218] PUD 0  
[   29.867218]  
[   29.867220] Oops: 0000 [#3] SMP 
[   29.867255] Modules linked in: intel_powerclamp coretemp kvm_intel kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw
gf128mul sg glue_helper cdc_ether ablk_helper cryptd i7core_edac usbnet
iTCO_wdt ipmi_ssif mii ipmi_devintf iTCO_vendor_support i2c_i801 pcspkr
edac_core lpc_ich ipmi_si shpchp i2c_smbus ipmi_msghandler ioatdma acpi_cpufreq
nfsd dca auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod
mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops ttm ata_generic pata_acpi drm ata_piix libata crc32c_intel
serio_raw megaraid_sas i2c_core bnx2 fjes dm_mirror dm_region_hash dm_log
dm_mod 
[   29.867258] CPU: 6 PID: 2880 Comm: kworker/6:3 Tainted: G      D        
4.8.0 #1 
[   29.867259] Hardware name: IBM IBM System x -[7944Q05]-/90Y4784, BIOS
-[D6E150CUS-1.11]- 02/08/2011 
[   29.867263] Workqueue: events dbs_work_handler 
[   29.867264] task: ffff880375978000 task.stack: ffffc90003f68000 
[   29.867269] RIP: 0010:[<ffffffffa017472d>]  [<ffffffffa017472d>]
acpi_cpufreq_target+0x5d/0x240 [acpi_cpufreq] 
[   29.867270] RSP: 0018:ffffc90003f6bcf0  EFLAGS: 00010202 
[   29.867272] RAX: 0000000000000006 RBX: 0000000bfffffff4 RCX:
000060fc80000610 
[   29.867273] RDX: ffff88027247c200 RSI: 00000000ffffffff RDI:
ffff88037fa40000 
[   29.867275] RBP: ffffc90003f6bd48 R08: 0000000000000040 R09:
0000000000000000 
[   29.867276] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880377652c00 
[   29.867277] R13: 00000000ffffffff R14: ffff880273a2f1c0 R15:
0000000000000000 
[   29.867279] FS:  0000000000000000(0000) GS:ffff88037fa40000(0000)
knlGS:0000000000000000 
[   29.867281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 
[   29.867282] CR2: ffff880e7247c1f8 CR3: 0000000001c06000 CR4:
00000000000006e0 
[   29.867283] Stack: 
[   29.867286]  ffffffff8159deeb ffffc90003f6bd68 ffffffff00000006
ffffc90003f6bd68 
[   29.867289]  ffffc90003f6bd38 00000000374476ef ffff880377652c00
ffffc90003f6bd60 
[   29.867291]  00000000ffffffff 0000000000000001 0000000000000000
ffffc90003f6bda0 
[   29.867292] Call Trace: 
[   29.867296]  [<ffffffff8159deeb>] ? cpufreq_freq_transition_begin+0xab/0x140 
[   29.867300]  [<ffffffff8159e465>] __cpufreq_driver_target+0x315/0x5f0 
[   29.867302]  [<ffffffff815a1ef5>] cs_dbs_timer+0x135/0x150 
[   29.867305]  [<ffffffff815a24d1>] dbs_work_handler+0x31/0x60 
[   29.867308]  [<ffffffff810a8be2>] process_one_work+0x152/0x400 
[   29.867310]  [<ffffffff810a94d5>] worker_thread+0x125/0x4b0 
[   29.867317]  [<ffffffff81003a47>] ? do_syscall_64+0x67/0x180 
[   29.867319]  [<ffffffff810a93b0>] ? rescuer_thread+0x380/0x380 
[   29.867321]  [<ffffffff81003a47>] ? do_syscall_64+0x67/0x180 
[   29.867324]  [<ffffffff810af039>] kthread+0xd9/0xf0 
[   29.867327]  [<ffffffff810aef60>] ? kthread_park+0x60/0x60 
[   29.867330]  [<ffffffff8170de55>] ret_from_fork+0x25/0x30 
[   29.867358] Code: 0f 84 b8 01 00 00 41 8b 46 08 89 f6 49 8b 94 24 98 00 00
00 48 8d 1c 76 48 8b 0d f7 34 00 00 48 c1 e3 02 48 8b 3c c5 20 84 ac 81 <8b> 54
1a 04 49 89 cf 49 01 ff 89 d6 89 55 ac 41 8b 17 39 f2 0f  
[   29.867361] RIP  [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.867362]  RSP <ffffc90003f6bcf0> 
[   29.867363] CR2: ffff880e7247c1f8 
[   29.867365] ---[ end trace b30f1c6d6b6426f1 ]--- 
[   29.867369] BUG: unable to handle kernel paging request at ffff880e7247c178 
[   29.867374] IP: [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.867375] PGD 2284067  
[   29.867376] PUD 0  
[   29.867376]  
[   29.867378] Oops: 0000 [#4] SMP 
[   29.867404] Modules linked in: intel_powerclamp coretemp kvm_intel kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw
gf128mul sg glue_helper cdc_ether ablk_helper cryptd i7core_edac usbnet
iTCO_wdt ipmi_ssif mii ipmi_devintf iTCO_vendor_support i2c_i801 pcspkr
edac_core lpc_ich ipmi_si shpchp i2c_smbus ipmi_msghandler ioatdma acpi_cpufreq
nfsd dca auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod
mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops ttm ata_generic pata_acpi drm ata_piix libata crc32c_intel
serio_raw megaraid_sas i2c_core bnx2 fjes dm_mirror dm_region_hash dm_log
dm_mod 
[   29.867407] CPU: 5 PID: 1155 Comm: kworker/5:2 Tainted: G      D        
4.8.0 #1 
[   29.867408] Hardware name: IBM IBM System x -[7944Q05]-/90Y4784, BIOS
-[D6E150CUS-1.11]- 02/08/2011 
[   29.867411] Workqueue: events dbs_work_handler 
[   29.867412] task: ffff88027284c080 task.stack: ffffc90002370000 
[   29.867416] RIP: 0010:[<ffffffffa017472d>]  [<ffffffffa017472d>]
acpi_cpufreq_target+0x5d/0x240 [acpi_cpufreq] 
[   29.867417] RSP: 0018:ffffc90002373cf0  EFLAGS: 00010202 
[   29.867418] RAX: 0000000000000005 RBX: 0000000bfffffff4 RCX:
000060fc80000610 
[   29.867420] RDX: ffff88027247c180 RSI: 00000000ffffffff RDI:
ffff880277b00000 
[   29.867421] RBP: ffffc90002373d48 R08: 0000000000000020 R09:
0000000000000000 
[   29.867422] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880377651c00 
[   29.867423] R13: 00000000ffffffff R14: ffff880273a2f880 R15:
0000000000000000 
[   29.867424] FS:  0000000000000000(0000) GS:ffff880277b00000(0000)
knlGS:0000000000000000 
[   29.867426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 
[   29.867427] CR2: ffff880e7247c178 CR3: 0000000001c06000 CR4:
00000000000006e0 
[   29.867428] Stack: 
[   29.867430]  ffffffff8159deeb ffffc90002373d68 ffff880200000005
ffffc90002373d68 
[   29.867432]  ffffc90002373d38 000000002e113c71 ffff880377651c00
ffffc90002373d60 
[   29.867434]  00000000ffffffff 0000000000000001 0000000000000000
ffffc90002373da0 
[   29.867435] Call Trace: 
[   29.867438]  [<ffffffff8159deeb>] ? cpufreq_freq_transition_begin+0xab/0x140 
[   29.867441]  [<ffffffff8159e465>] __cpufreq_driver_target+0x315/0x5f0 
[   29.867443]  [<ffffffff815a1ef5>] cs_dbs_timer+0x135/0x150 
[   29.867445]  [<ffffffff815a24d1>] dbs_work_handler+0x31/0x60 
[   29.867448]  [<ffffffff810a8be2>] process_one_work+0x152/0x400 
[   29.867450]  [<ffffffff810a94d5>] worker_thread+0x125/0x4b0 
[   29.867452]  [<ffffffff810a93b0>] ? rescuer_thread+0x380/0x380 
[   29.867454]  [<ffffffff810af039>] kthread+0xd9/0xf0 
[   29.867457]  [<ffffffff810aef60>] ? kthread_park+0x60/0x60 
[   29.867460]  [<ffffffff8170de55>] ret_from_fork+0x25/0x30 
[   29.867482] Code: 0f 84 b8 01 00 00 41 8b 46 08 89 f6 49 8b 94 24 98 00 00
00 48 8d 1c 76 48 8b 0d f7 34 00 00 48 c1 e3 02 48 8b 3c c5 20 84 ac 81 <8b> 54
1a 04 49 89 cf 49 01 ff 89 d6 89 55 ac 41 8b 17 39 f2 0f  
[   29.867486] RIP  [<ffffffffa017472d>] acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   29.867486]  RSP <ffffc90002373cf0> 
[   29.867487] CR2: ffff880e7247c178 
[   29.867489] ---[ end trace b30f1c6d6b6426f2 ]--- 
[   30.906084] Shutting down cpus with NMI 
[   30.910131] Kernel Offset: disabled 
[   30.913625] ---[ end Kernel panic - not syncing: Fatal exception 
[   30.919637] ------------[ cut here ]------------ 
[   30.924258] WARNING: CPU: 4 PID: 1071 at arch/x86/kernel/smp.c:127
native_smp_send_reschedule+0x3f/0x50 
[   30.933638] Modules linked in: intel_powerclamp coretemp kvm_intel kvm
irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel lrw
gf128mul sg glue_helper cdc_ether ablk_helper cryptd i7core_edac usbnet
iTCO_wdt ipmi_ssif mii ipmi_devintf iTCO_vendor_support i2c_i801 pcspkr
edac_core lpc_ich ipmi_si shpchp i2c_smbus ipmi_msghandler ioatdma acpi_cpufreq
nfsd dca auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sd_mod
mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops ttm ata_generic pata_acpi drm ata_piix libata crc32c_intel
serio_raw megaraid_sas i2c_core bnx2 fjes dm_mirror dm_region_hash dm_log
dm_mod 
[   30.993619] CPU: 4 PID: 1071 Comm: kworker/4:3 Tainted: G      D        
4.8.0 #1 
[   31.001094] Hardware name: IBM IBM System x -[7944Q05]-/90Y4784, BIOS
-[D6E150CUS-1.11]- 02/08/2011 
[   31.010130] Workqueue: events dbs_work_handler 
[   31.014590]  ffff880277ac3bf0 ffffffff8136238c 0000000000000000
0000000000000000 
[   31.022061]  ffff880277ac3c30 ffffffff8108f201 0000007f00000001
0000000000000000 
[   31.029529]  ffff880377760000 ffff880277a19300 0000000000000046
ffff880277a19300 
[   31.036996] Call Trace: 
[   31.039443]  <IRQ> [   31.041376]  [<ffffffff8136238c>] dump_stack+0x63/0x87 
[   31.046528]  [<ffffffff8108f201>] __warn+0xd1/0xf0 
[   31.051318]  [<ffffffff8108f33d>] warn_slowpath_null+0x1d/0x20 
[   31.057147]  [<ffffffff81051c7f>] native_smp_send_reschedule+0x3f/0x50 
[   31.063672]  [<ffffffff810b9d01>] resched_curr+0xa1/0xc0 
[   31.068983]  [<ffffffff810baaa0>] check_preempt_curr+0x70/0x90 
[   31.074813]  [<ffffffff810baad9>] ttwu_do_wakeup+0x19/0xe0 
[   31.080296]  [<ffffffff810bac0f>] ttwu_do_activate+0x6f/0x80 
[   31.085953]  [<ffffffff810bb80a>] try_to_wake_up+0x1aa/0x3b0 
[   31.091610]  [<ffffffff810bbac2>] default_wake_function+0x12/0x20 
[   31.097703]  [<ffffffff810d56d5>] __wake_up_common+0x55/0x90 
[   31.103358]  [<ffffffff810d5723>] __wake_up_locked+0x13/0x20 
[   31.109018]  [<ffffffff8127b059>] ep_poll_callback+0xb9/0x200 
[   31.114761]  [<ffffffff810d56d5>] __wake_up_common+0x55/0x90 
[   31.120420]  [<ffffffff810d5859>] __wake_up+0x39/0x50 
[   31.125473]  [<ffffffff810eca90>] wake_up_klogd_work_func+0x40/0x60 
[   31.131740]  [<ffffffff8118652d>] irq_work_run_list+0x4d/0x70 
[   31.137484]  [<ffffffff81111d90>] ? tick_sched_do_timer+0x50/0x50 
[   31.143572]  [<ffffffff811866e0>] irq_work_tick+0x40/0x50 
[   31.148969]  [<ffffffff81101bb2>] update_process_times+0x42/0x60 
[   31.154971]  [<ffffffff811116d5>] tick_sched_handle.isra.16+0x25/0x60 
[   31.161409]  [<ffffffff81111dcd>] tick_sched_timer+0x3d/0x70 
[   31.167066]  [<ffffffff811028d3>] __hrtimer_run_queues+0xf3/0x280 
[   31.173154]  [<ffffffff81102db8>] hrtimer_interrupt+0xa8/0x1a0 
[   31.178987]  [<ffffffff81054635>] local_apic_timer_interrupt+0x35/0x60 
[   31.185511]  [<ffffffff817107ad>] smp_apic_timer_interrupt+0x3d/0x50 
[   31.191862]  [<ffffffff8170f96c>] apic_timer_interrupt+0x8c/0xa0 
[   31.197866]  <EOI> [   31.199797]  [<ffffffff8119dde3>] ? panic+0x1f5/0x239 
[   31.204863]  [<ffffffff81031a28>] oops_end+0xb8/0xd0 
[   31.209827]  [<ffffffff8106b73e>] no_context+0x19e/0x400 
[   31.215138]  [<ffffffff8106ba8e>] __bad_area_nosemaphore+0xee/0x1d0 
[   31.221400]  [<ffffffff8106bb84>] bad_area_nosemaphore+0x14/0x20 
[   31.227402]  [<ffffffff8106c239>] __do_page_fault+0x89/0x4a0 
[   31.233061]  [<ffffffff8106c680>] do_page_fault+0x30/0x80 
[   31.238456]  [<ffffffff8170f0c8>] page_fault+0x28/0x30 
[   31.243594]  [<ffffffffa017472d>] ? acpi_cpufreq_target+0x5d/0x240
[acpi_cpufreq] 
[   31.251073]  [<ffffffff8159deeb>] ? cpufreq_freq_transition_begin+0xab/0x140 
[   31.258116]  [<ffffffff8159e465>] __cpufreq_driver_target+0x315/0x5f0 
[   31.264553]  [<ffffffff815a1ef5>] cs_dbs_timer+0x135/0x150 
[   31.270036]  [<ffffffff815a24d1>] dbs_work_handler+0x31/0x60 
[   31.275694]  [<ffffffff810a8be2>] process_one_work+0x152/0x400 
[   31.281525]  [<ffffffff810a94d5>] worker_thread+0x125/0x4b0 
[   31.287095]  [<ffffffff810a93b0>] ? rescuer_thread+0x380/0x380 
[   31.292927]  [<ffffffff810af039>] kthread+0xd9/0xf0 
[   31.297805]  [<ffffffff810aef60>] ? kthread_park+0x60/0x60 
[   31.303287]  [<ffffffff8170de55>] ret_from_fork+0x25/0x30 
[   31.308684] ---[ end trace b30f1c6d6b6426f3 ]--- 
[-- MARK -- Sat Oct 15 22:50:00 2016] 
[-- MARK -- Sat Oct 15 22:55:00 2016] 
```

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