[   89.755022] netpoll: netconsole: local port 6665
[   89.755048] netpoll: netconsole: local IPv4 address 0.0.0.0
[   89.755071] netpoll: netconsole: interface 'eno1'
[   89.755090] netpoll: netconsole: remote port 6668
[   89.755109] netpoll: netconsole: remote IPv4 address 10.239.47.31
[   89.755134] netpoll: netconsole: remote ethernet address 6c:f0:49:72:82:c6
[   89.755162] netpoll: netconsole: local IP 10.239.47.17
[   89.755405] console [netcon0] enabled
[   89.755422] netconsole: network logging started
[  106.988247] Console: switching to colour VGA+ 80x25
[  107.008145] 
[  107.008146] ======================================================
[  107.008146] [ INFO: possible circular locking dependency detected ]
[  107.008147] 3.12.0-rc4_nightlytop_55d077_debug_20131011_+ #733 Not tainted
[  107.008148] -------------------------------------------------------
[  107.008148] rmmod/3797 is trying to acquire lock:
[  107.008153]  (s_active#114){++++.+}, at: [<ffffffff81188023>] sysfs_addrm_finish+0x2e/0x57
[  107.008154] 
[  107.008154] but task is already holding lock:
[  107.008157]  ((fb_notifier_list).rwsem){++++.+}, at: [<ffffffff8105c3aa>] __blocking_notifier_call_chain+0x2e/0x5f
[  107.008158] 
[  107.008158] which lock already depends on the new lock.
[  107.008158] 
[  107.008158] 
[  107.008158] the existing dependency chain (in reverse order) is:
[  107.008159] 
[  107.008159] -> #2 ((fb_notifier_list).rwsem){++++.+}:
[  107.008161]        [<ffffffff81090e91>] lock_acquire+0xcc/0x106
[  107.008164]        [<ffffffff817f7fb3>] down_read+0x39/0x4e
[  107.008166]        [<ffffffff8105c3aa>] __blocking_notifier_call_chain+0x2e/0x5f
[  107.008167]        [<ffffffff8105c3ef>] blocking_notifier_call_chain+0x14/0x16
[  107.008170]        [<ffffffff81397e3b>] fb_notifier_call_chain+0x1b/0x1d
[  107.008172]        [<ffffffff81399bdc>] register_framebuffer+0x237/0x2a0
[  107.008175]        [<ffffffffa0057cb9>] drm_fb_helper_initial_config+0x393/0x445 [drm_kms_helper]
[  107.008190]        [<ffffffffa00c72b0>] intel_fbdev_initial_config+0x21/0x23 [i915]
[  107.008195]        [<ffffffffa0075843>] i915_driver_load+0xcba/0xf22 [i915]
[  107.008202]        [<ffffffffa000a3c7>] drm_dev_register+0x108/0x1d0 [drm]
[  107.008208]        [<ffffffffa000bf6b>] drm_get_pci_dev+0xa5/0x12f [drm]
[  107.008213]        [<ffffffffa00725f4>] i915_pci_probe+0x6d/0x76 [i915]
[  107.008215]        [<ffffffff813884a2>] local_pci_probe+0x20/0x32
[  107.008217]        [<ffffffff81388f40>] pci_device_probe+0xbf/0xe5
[  107.008218]        [<ffffffff8141719a>] driver_probe_device+0x96/0x1a3
[  107.008219]        [<ffffffff81417309>] __driver_attach+0x62/0x85
[  107.008221]        [<ffffffff81415668>] bus_for_each_dev+0x5f/0x91
[  107.008222]        [<ffffffff81416d1c>] driver_attach+0x1e/0x20
[  107.008223]        [<ffffffff814168c5>] bus_add_driver+0xf9/0x245
[  107.008224]        [<ffffffff814178f8>] driver_register+0x8c/0xc3
[  107.008226]        [<ffffffff81389034>] __pci_register_driver+0x61/0x65
[  107.008230]        [<ffffffffa000c080>] drm_pci_init+0x8b/0xf1 [drm]
[  107.008232]        [<ffffffffa0118066>] 0xffffffffa0118066
[  107.008234]        [<ffffffff81000271>] do_one_initcall+0x84/0x10f
[  107.008235]        [<ffffffff8109b22b>] load_module+0x1a96/0x1d86
[  107.008236]        [<ffffffff8109b5c2>] SyS_init_module+0xa7/0xb6
[  107.008238]        [<ffffffff81801a12>] system_call_fastpath+0x16/0x1b
[  107.008239] 
[  107.008239] -> #1 (console_lock){+.+.+.}:
[  107.008241]        [<ffffffff81090e91>] lock_acquire+0xcc/0x106
[  107.008242]        [<ffffffff8107b4f6>] console_lock+0x5e/0x60
[  107.008244]        [<ffffffff813f8eeb>] store_bind+0x1ea/0x21c
[  107.008246]        [<ffffffff81412d74>] dev_attr_store+0x18/0x24
[  107.008247]        [<ffffffff81186c6b>] sysfs_write_file+0xee/0x126
[  107.008248]        [<ffffffff81125017>] vfs_write+0xcb/0x198
[  107.008249]        [<ffffffff81125425>] SyS_write+0x4c/0x85
[  107.008251]        [<ffffffff81801a12>] system_call_fastpath+0x16/0x1b
[  107.008252] 
[  107.008252] -> #0 (s_active#114){++++.+}:
[  107.008253]        [<ffffffff8109021f>] __lock_acquire+0x108d/0x17fd
[  107.008254]        [<ffffffff81090e91>] lock_acquire+0xcc/0x106
[  107.008256]        [<ffffffff8118763a>] sysfs_deactivate+0x95/0xcc
[  107.008257]        [<ffffffff81188023>] sysfs_addrm_finish+0x2e/0x57
[  107.008258]        [<ffffffff811866c8>] sysfs_hash_and_remove+0x7b/0x8f
[  107.008259]        [<ffffffff81186a9c>] sysfs_remove_file+0x34/0x3b
[  107.008260]        [<ffffffff814136f1>] device_remove_file+0x17/0x19
[  107.008261]        [<ffffffff813f747c>] do_unregister_con_driver+0x53/0xc2
[  107.008263]        [<ffffffff813a59a9>] fbcon_event_notify+0x3a8/0x5f1
[  107.008264]        [<ffffffff817fdfaa>] notifier_call_chain+0x37/0x61
[  107.008266]        [<ffffffff8105c3c2>] __blocking_notifier_call_chain+0x46/0x5f
[  107.008267]        [<ffffffff8105c3ef>] blocking_notifier_call_chain+0x14/0x16
[  107.008269]        [<ffffffff81397e3b>] fb_notifier_call_chain+0x1b/0x1d
[  107.008270]        [<ffffffff813997fa>] do_unregister_framebuffer+0xde/0xff
[  107.008272]        [<ffffffff81399842>] unregister_framebuffer+0x27/0x40
[  107.008283]        [<ffffffffa00c72e7>] intel_fbdev_fini+0x35/0x9c [i915]
[  107.008288]        [<ffffffffa0075b94>] i915_driver_unload+0xe9/0x2ce [i915]
[  107.008293]        [<ffffffffa0009e4f>] drm_dev_unregister+0x2d/0xc5 [drm]
[  107.008298]        [<ffffffffa000a528>] drm_put_dev+0x54/0x60 [drm]
[  107.008302]        [<ffffffffa007244d>] i915_pci_remove+0x1d/0x1f [i915]
[  107.008304]        [<ffffffff81388e37>] pci_device_remove+0x2d/0x51
[  107.008305]        [<ffffffff81416c76>] __device_release_driver+0x71/0xc7
[  107.008306]        [<ffffffff814173f7>] driver_detach+0x8e/0xbf
[  107.008307]        [<ffffffff81416a99>] bus_remove_driver+0x88/0xcb
[  107.008308]        [<ffffffff8141798a>] driver_unregister+0x47/0x4d
[  107.008309]        [<ffffffff81388f8a>] pci_unregister_driver+0x24/0x6d
[  107.008314]        [<ffffffffa000bdc1>] drm_pci_exit+0x44/0x7d [drm]
[  107.008325]        [<ffffffffa00d7c6b>] i915_exit+0x17/0x19 [i915]
[  107.008326]        [<ffffffff8109962b>] SyS_delete_module+0x1a4/0x21e
[  107.008328]        [<ffffffff81801a12>] system_call_fastpath+0x16/0x1b
[  107.008328] 
[  107.008328] other info that might help us debug this:
[  107.008328] 
[  107.008330] Chain exists of:
[  107.008330]   s_active#114 --> console_lock --> (fb_notifier_list).rwsem
[  107.008330] 
[  107.008330]  Possible unsafe locking scenario:
[  107.008330] 
[  107.008330]        CPU0                    CPU1
[  107.008331]        ----                    ----
[  107.008331]   lock((fb_notifier_list).rwsem);
[  107.008332]                                lock(console_lock);
[  107.008332]                                lock((fb_notifier_list).rwsem);
[  107.008333]   lock(s_active#114);
[  107.008333] 
[  107.008333]  *** DEADLOCK ***
[  107.008333] 
[  107.008334] 5 locks held by rmmod/3797:
[  107.008336]  #0:  (&__lockdep_no_validate__){......}, at: [<ffffffff814173d8>] driver_detach+0x6f/0xbf
[  107.008338]  #1:  (&__lockdep_no_validate__){......}, at: [<ffffffff814173e6>] driver_detach+0x7d/0xbf
[  107.008340]  #2:  (registration_lock){+.+.+.}, at: [<ffffffff8139983a>] unregister_framebuffer+0x1f/0x40
[  107.008342]  #3:  (console_lock){+.+.+.}, at: [<ffffffff813997ec>] do_unregister_framebuffer+0xd0/0xff
[  107.008344]  #4:  ((fb_notifier_list).rwsem){++++.+}, at: [<ffffffff8105c3aa>] __blocking_notifier_call_chain+0x2e/0x5f
[  107.008344] 
[  107.008344] stack backtrace:
[  107.008346] CPU: 1 PID: 3797 Comm: rmmod Not tainted 3.12.0-rc4_nightlytop_55d077_debug_20131011_+ #733
[  107.008346] Hardware name:                  /DH77EB, BIOS EBH7710H.86A.0062.2012.0329.1914 03/29/2012
[  107.008348]  ffffffff8697f2e0 ffff880214703888 ffffffff817f3653 ffffffff8107ca0a
[  107.008349]  ffffffff869b23a0 ffff8802147038d8 ffffffff817eeb22 ffff8802147038a8
[  107.008350]  ffff8802134adee0 0000000000000005 ffff8802134ae670 0000000000000005
[  107.008351] Call Trace:
[  107.008353]  [<ffffffff817f3653>] dump_stack+0x46/0x58
[  107.008354]  [<ffffffff8107ca0a>] ? vprintk_emit+0x427/0x48d
[  107.008356]  [<ffffffff817eeb22>] print_circular_bug+0x2ad/0x2be
[  107.008358]  [<ffffffff8109021f>] __lock_acquire+0x108d/0x17fd
[  107.008359]  [<ffffffff81091875>] ? debug_check_no_locks_freed+0x128/0x13e
[  107.008361]  [<ffffffff81090e91>] lock_acquire+0xcc/0x106
[  107.008362]  [<ffffffff81188023>] ? sysfs_addrm_finish+0x2e/0x57
[  107.008363]  [<ffffffff8118763a>] sysfs_deactivate+0x95/0xcc
[  107.008364]  [<ffffffff81188023>] ? sysfs_addrm_finish+0x2e/0x57
[  107.008366]  [<ffffffff81188023>] sysfs_addrm_finish+0x2e/0x57
[  107.008367]  [<ffffffff811866c8>] sysfs_hash_and_remove+0x7b/0x8f
[  107.008369]  [<ffffffff8111ed1d>] ? kfree+0xf9/0x16c
[  107.008370]  [<ffffffff81186a9c>] sysfs_remove_file+0x34/0x3b
[  107.008372]  [<ffffffff814136f1>] device_remove_file+0x17/0x19
[  107.008373]  [<ffffffff813f747c>] do_unregister_con_driver+0x53/0xc2
[  107.008374]  [<ffffffff813a59a9>] fbcon_event_notify+0x3a8/0x5f1
[  107.008375]  [<ffffffff817fdfaa>] notifier_call_chain+0x37/0x61
[  107.008377]  [<ffffffff8105c3c2>] __blocking_notifier_call_chain+0x46/0x5f
[  107.008379]  [<ffffffff8105c3ef>] blocking_notifier_call_chain+0x14/0x16
[  107.008380]  [<ffffffff81397e3b>] fb_notifier_call_chain+0x1b/0x1d
[  107.008382]  [<ffffffff813997fa>] do_unregister_framebuffer+0xde/0xff
[  107.008383]  [<ffffffff81399842>] unregister_framebuffer+0x27/0x40
[  107.008394]  [<ffffffffa00c72e7>] intel_fbdev_fini+0x35/0x9c [i915]
[  107.008399]  [<ffffffffa0075b94>] i915_driver_unload+0xe9/0x2ce [i915]
[  107.008405]  [<ffffffffa0009e4f>] drm_dev_unregister+0x2d/0xc5 [drm]
[  107.008409]  [<ffffffffa000a528>] drm_put_dev+0x54/0x60 [drm]
[  107.008414]  [<ffffffffa007244d>] i915_pci_remove+0x1d/0x1f [i915]
[  107.008416]  [<ffffffff81388e37>] pci_device_remove+0x2d/0x51
[  107.008417]  [<ffffffff81416c76>] __device_release_driver+0x71/0xc7
[  107.008418]  [<ffffffff814173f7>] driver_detach+0x8e/0xbf
[  107.008419]  [<ffffffff81416a99>] bus_remove_driver+0x88/0xcb
[  107.008421]  [<ffffffff8141798a>] driver_unregister+0x47/0x4d
[  107.008423]  [<ffffffff81388f8a>] pci_unregister_driver+0x24/0x6d
[  107.008428]  [<ffffffffa000bdc1>] drm_pci_exit+0x44/0x7d [drm]
[  107.008439]  [<ffffffffa00d7c6b>] i915_exit+0x17/0x19 [i915]
[  107.008440]  [<ffffffff8109962b>] SyS_delete_module+0x1a4/0x21e
[  107.008443]  [<ffffffff8136d10e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[  107.008444]  [<ffffffff81801a12>] system_call_fastpath+0x16/0x1b
[  107.030919] drm_kms_helper: drm: unregistered panic notifier
[  107.036852] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe B
[  107.037131] [drm:gm45_get_vblank_counter], trying to get vblank count for disabled pipe C
[  107.037422] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io,decodes=io+mem:owns=io
[  107.039232] [drm:intel_crtc_cursor_set], cursor off
[  107.039367] [drm:intel_crtc_cursor_set], cursor off
[  107.039497] [drm:intel_crtc_cursor_set], cursor off
[  107.041804] [drm] Module unloaded
[  107.090762] BUG: unable to handle kernel NULL pointer dereference at           (null)
[  107.092202] IP: [<ffffffff8105046d>] __queue_work+0x135/0x274
[  107.092332] PGD 214433067 PUD 213dfe067 PMD 0 
[  107.092541] Oops: 0000 [#1] SMP 
[  107.092701] Modules linked in: netconsole configfs ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek pcspkr i2c_i801 snd_hda_intel snd_hda_codec snd_hwdep iTCO_wdt snd_pcm iTCO_vendor_support snd_page_alloc snd_timer lpc_ich mfd_core snd soundcore ppdev parport_pc parport wmi acpi_cpufreq video button freq_table [last unloaded: drm]
[  107.094445] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.12.0-rc4_nightlytop_55d077_debug_20131011_+ #733
[  107.094583] Hardware name:                  /DH77EB, BIOS EBH7710H.86A.0062.2012.0329.1914 03/29/2012
[  107.094715] task: ffffffff82010490 ti: ffffffff82000000 task.ti: ffffffff82000000
[  107.094848] RIP: 0010:[<ffffffff8105046d>]  [<ffffffff8105046d>] __queue_work+0x135/0x274
[  107.095028] RSP: 0018:ffff88021f203db0  EFLAGS: 00010046
[  107.095117] RAX: 0000000000000000 RBX: ffff88020f806400 RCX: 0000000000000000
[  107.095211] RDX: 000000007fffffff RSI: 000000007fffffff RDI: ffff88020facb238
[  107.095308] RBP: ffff88021f203df0 R08: 0000000000000002 R09: 0000000000000001
[  107.095397] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88020facb238
[  107.095489] R13: 0000000000000000 R14: 000000000000ef20 R15: 0000000000000000
[  107.095578] FS:  0000000000000000(0000) GS:ffff88021f200000(0000) knlGS:0000000000000000
[  107.095710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.095805] CR2: 0000000000000000 CR3: 000000020f404000 CR4: 00000000001407f0
[  107.095896] Stack:
[  107.095980]  0000000000000000 0000000000000040 ffff88021f203e40 ffffffff866a0100
[  107.096267]  0000000000000100 ffff88020facb278 ffffffff810505ac ffff88020facb238
[  107.096554]  ffff88021f203e00 ffffffff810505ca ffff88021f203e70 ffffffff81044570
[  107.096844] Call Trace:
[  107.096928]  <IRQ> 
[  107.096970]  [<ffffffff810505ac>] ? __queue_work+0x274/0x274
[  107.097182]  [<ffffffff810505ca>] delayed_work_timer_fn+0x1e/0x20
[  107.097277]  [<ffffffff81044570>] call_timer_fn+0x97/0x165
[  107.097364]  [<ffffffff810444de>] ? call_timer_fn+0x5/0x165
[  107.097457]  [<ffffffff810505ac>] ? __queue_work+0x274/0x274
[  107.097554]  [<ffffffff81044cbe>] run_timer_softirq+0x1ad/0x229
[  107.097648]  [<ffffffff810840d5>] ? ktime_get+0x56/0xb7
[  107.097735]  [<ffffffff8103df82>] __do_softirq+0x100/0x220
[  107.097825]  [<ffffffff8108b000>] ? tick_program_event+0x24/0x26
[  107.097915]  [<ffffffff8180328c>] call_softirq+0x1c/0x30
[  107.098008]  [<ffffffff81003f56>] do_softirq+0x3c/0x86
[  107.098097]  [<ffffffff8103e1b1>] irq_exit+0x57/0x9c
[  107.098188]  [<ffffffff818039d9>] smp_apic_timer_interrupt+0x45/0x52
[  107.098284]  [<ffffffff8180266f>] apic_timer_interrupt+0x6f/0x80
[  107.098375]  <EOI> 
[  107.098415]  [<ffffffff816fcf2b>] ? cpuidle_enter_state+0x55/0xbd
[  107.098627]  [<ffffffff816fcf27>] ? cpuidle_enter_state+0x51/0xbd
[  107.098718]  [<ffffffff817fdfd9>] ? __atomic_notifier_call_chain+0x5/0x8d
[  107.098814]  [<ffffffff816fd09b>] cpuidle_idle_call+0x108/0x1b6
[  107.098905]  [<ffffffff81009beb>] arch_cpu_idle+0xe/0x22
[  107.098997]  [<ffffffff8107daa8>] cpu_startup_entry+0x131/0x1c5
[  107.099091]  [<ffffffff817e98a8>] rest_init+0xbc/0xc3
[  107.099180]  [<ffffffff817e97f1>] ? rest_init+0x5/0xc3
[  107.099276]  [<ffffffff82104d05>] start_kernel+0x399/0x3a6
[  107.099364]  [<ffffffff82104774>] ? repair_env_string+0x5a/0x5a
[  107.099457]  [<ffffffff82104481>] x86_64_start_reservations+0x2a/0x2c
[  107.099552]  [<ffffffff82104578>] x86_64_start_kernel+0xf5/0xf9
[  107.099644] Code: 2a 48 89 c7 e8 25 9c 7a 00 4c 89 e6 4c 89 ef e8 3c df ff ff 48 85 c0 74 0a 48 8b 40 20 48 39 58 08 74 12 4c 89 ef e8 e8 a1 7a 00 <49> 8b 3f e8 fb 9b 7a 00 eb 03 49 89 c7 41 83 7f 18 00 75 4d f6 
[  107.102320] RIP  [<ffffffff8105046d>] __queue_work+0x135/0x274
[  107.102447]  RSP <ffff88021f203db0>
[  107.102537] CR2: 0000000000000000
[  107.102626] ---[ end trace 591b7a38b38cb4dc ]---
[  107.102715] Kernel panic - not syncing: Fatal exception in interrupt
[  107.102841] ------------[ cut here ]------------
[  107.102936] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/smp.c:124 native_smp_send_reschedule+0x2d/0x5e()
[  107.103074] Modules linked in: netconsole configfs ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek pcspkr i2c_i801 snd_hda_intel snd_hda_codec snd_hwdep iTCO_wdt snd_pcm iTCO_vendor_support snd_page_alloc snd_timer lpc_ich mfd_core snd soundcore ppdev parport_pc parport wmi acpi_cpufreq video button freq_table [last unloaded: drm]
[  107.104841] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D      3.12.0-rc4_nightlytop_55d077_debug_20131011_+ #733
[  107.104977] Hardware name:                  /DH77EB, BIOS EBH7710H.86A.0062.2012.0329.1914 03/29/2012
[  107.105113]  0000000000000009 ffff88021f203740 ffffffff817f3653 0000000000000006
[  107.105402]  0000000000000000 ffff88021f203780 ffffffff81039d08 0000000000000000
[  107.105685]  ffffffff81024969 0000000000000001 ffff88021f213140 00000000fffd0edd
[  107.105971] Call Trace:
[  107.106055]  <IRQ>  [<ffffffff817f3653>] dump_stack+0x46/0x58
[  107.106225]  [<ffffffff81039d08>] warn_slowpath_common+0x81/0x9b
[  107.106318]  [<ffffffff81024969>] ? native_smp_send_reschedule+0x2d/0x5e
[  107.106412]  [<ffffffff8108b4eb>] ? tick_sched_do_timer+0x2f/0x2f
[  107.106504]  [<ffffffff81039d3c>] warn_slowpath_null+0x1a/0x1c
[  107.106597]  [<ffffffff81024969>] native_smp_send_reschedule+0x2d/0x5e
[  107.106690]  [<ffffffff8106d34c>] trigger_load_balance+0x26d/0x295
[  107.106783]  [<ffffffff8106d145>] ? trigger_load_balance+0x66/0x295
[  107.106877]  [<ffffffff8106402b>] scheduler_tick+0x87/0x90
[  107.107049]  [<ffffffff81045734>] update_process_times+0x5e/0x6e
[  107.107140]  [<ffffffff8108b203>] tick_sched_handle+0x4a/0x59
[  107.107232]  [<ffffffff8108b526>] tick_sched_timer+0x3b/0x5a
[  107.107324]  [<ffffffff8105a1c9>] __run_hrtimer+0xd4/0x19a
[  107.107413]  [<ffffffff8105aa82>] hrtimer_interrupt+0xec/0x1d9
[  107.107506]  [<ffffffff81026898>] local_apic_timer_interrupt+0x55/0x59
[  107.107596]  [<ffffffff818039d4>] smp_apic_timer_interrupt+0x40/0x52
[  107.107688]  [<ffffffff8180266f>] apic_timer_interrupt+0x6f/0x80
[  107.107779]  [<ffffffff817fac9c>] ? retint_restore_args+0xe/0xe
[  107.107870]  [<ffffffff817ede98>] ? panic+0x18f/0x1d0
[  107.107959]  [<ffffffff817ede9b>] ? panic+0x192/0x1d0
[  107.108049]  [<ffffffff817ede98>] ? panic+0x18f/0x1d0
[  107.108139]  [<ffffffff8107d662>] ? kmsg_dump+0xc8/0xe9
[  107.108229]  [<ffffffff817fb961>] oops_end+0xa4/0xb4
[  107.108317]  [<ffffffff817ed8ec>] no_context+0x25f/0x28b
[  107.108408]  [<ffffffff817edc31>] __bad_area_nosemaphore+0x1ce/0x1ef
[  107.108496]  [<ffffffff817edc65>] bad_area_nosemaphore+0x13/0x15
[  107.108589]  [<ffffffff817fdedc>] __do_page_fault+0x433/0x4ba
[  107.108680]  [<ffffffff810e9c5e>] ? __free_pages_ok.part.57+0x1c6/0x268
[  107.108774]  [<ffffffff8136d14d>] ? trace_hardirqs_off_thunk+0x3a/0x3c
[  107.108867]  [<ffffffff817fdf71>] do_page_fault+0xe/0x10
[  107.108957]  [<ffffffff817faea2>] page_fault+0x22/0x30
[  107.109047]  [<ffffffff8105046d>] ? __queue_work+0x135/0x274
[  107.109137]  [<ffffffff810505ac>] ? __queue_work+0x274/0x274
[  107.109231]  [<ffffffff810505ca>] delayed_work_timer_fn+0x1e/0x20
[  107.109321]  [<ffffffff81044570>] call_timer_fn+0x97/0x165
[  107.109412]  [<ffffffff810444de>] ? call_timer_fn+0x5/0x165
[  107.109503]  [<ffffffff810505ac>] ? __queue_work+0x274/0x274
[  107.109594]  [<ffffffff81044cbe>] run_timer_softirq+0x1ad/0x229
[  107.109687]  [<ffffffff810840d5>] ? ktime_get+0x56/0xb7
[  107.109777]  [<ffffffff8103df82>] __do_softirq+0x100/0x220
[  107.109867]  [<ffffffff8108b000>] ? tick_program_event+0x24/0x26
[  107.109960]  [<ffffffff8180328c>] call_softirq+0x1c/0x30
[  107.110051]  [<ffffffff81003f56>] do_softirq+0x3c/0x86
[  107.110143]  [<ffffffff8103e1b1>] irq_exit+0x57/0x9c
[  107.110235]  [<ffffffff818039d9>] smp_apic_timer_interrupt+0x45/0x52
[  107.110327]  [<ffffffff8180266f>] apic_timer_interrupt+0x6f/0x80
[  107.110419]  <EOI>  [<ffffffff816fcf2b>] ? cpuidle_enter_state+0x55/0xbd
[  107.110583]  [<ffffffff816fcf27>] ? cpuidle_enter_state+0x51/0xbd
[  107.110676]  [<ffffffff817fdfd9>] ? __atomic_notifier_call_chain+0x5/0x8d
[  107.110771]  [<ffffffff816fd09b>] cpuidle_idle_call+0x108/0x1b6
[  107.110859]  [<ffffffff81009beb>] arch_cpu_idle+0xe/0x22
[  107.110950]  [<ffffffff8107daa8>] cpu_startup_entry+0x131/0x1c5
[  107.111043]  [<ffffffff817e98a8>] rest_init+0xbc/0xc3
[  107.111135]  [<ffffffff817e97f1>] ? rest_init+0x5/0xc3
[  107.111228]  [<ffffffff82104d05>] start_kernel+0x399/0x3a6
[  107.111319]  [<ffffffff82104774>] ? repair_env_string+0x5a/0x5a
[  107.111414]  [<ffffffff82104481>] x86_64_start_reservations+0x2a/0x2c
[  107.111508]  [<ffffffff82104578>] x86_64_start_kernel+0xf5/0xf9
[  107.111598] ---[ end trace 591b7a38b38cb4dd ]---