Oct 24 18:46:57 pinguin kernel: BUG: unable to handle kernel NULL pointer dereference at 000000000000001c
Oct 24 18:46:57 pinguin kernel: IP: [<ffffffff811a3339>] mmu_notifier_unregister+0x19/0xe0
Oct 24 18:46:57 pinguin kernel: PGD 7ed788067 PUD 7f1d1e067 PMD 0 
Oct 24 18:46:57 pinguin kernel: Oops: 0000 [#1] PREEMPT SMP 
Oct 24 18:46:57 pinguin kernel: Modules linked in: uas mousedev usb_storage iTCO_wdt iTCO_vendor_support evdev coretemp mac_hid hwmon intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse serio_raw r8169 snd_hda_codec_hdmi mii i2c_i801 nuvoton_cir lpc_ich rc_core i915 battery tpm_tis snd_hda_codec_realtek tpm snd_hda_codec_generic video drm_kms_helper drm snd_hda_intel snd_hda_controller intel_gtt i2c_algo_bit snd_hda_codec mei_me ie31200_edac i2c_core mei shpchp edac_core snd_hwdep button processor loop snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer snd_mixer_oss snd soundcore ext4 crc16 mbcache jbd2 hid_generic usbhid hid
Oct 24 18:46:57 pinguin kernel:  sd_mod sr_mod crc_t10dif cdrom crct10dif_common atkbd libps2 ahci libahci ehci_pci xhci_hcd ehci_hcd libata scsi_mod usbcore usb_common i8042 serio
Oct 24 18:46:57 pinguin kernel: CPU: 7 PID: 127 Comm: kworker/7:1 Not tainted 3.17.1-1-ARCH #1
Oct 24 18:46:57 pinguin kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Pro4, BIOS P1.50 09/04/2012
Oct 24 18:46:57 pinguin kernel: Workqueue: events __i915_mm_struct_free__worker [i915]
Oct 24 18:46:57 pinguin kernel: task: ffff8807f1448a10 ti: ffff8807f1454000 task.ti: ffff8807f1454000
Oct 24 18:46:57 pinguin kernel: RIP: 0010:[<ffffffff811a3339>]  [<ffffffff811a3339>] mmu_notifier_unregister+0x19/0xe0
Oct 24 18:46:57 pinguin kernel: RSP: 0018:ffff8807f1457dd8  EFLAGS: 00010206
Oct 24 18:46:57 pinguin kernel: RAX: 000000000000000a RBX: ffff8807e0388150 RCX: ffff88081f3d3dd8
Oct 24 18:46:57 pinguin kernel: RDX: ffff88081f3d3dd8 RSI: ffff8807f23fde80 RDI: 0000000000000014
Oct 24 18:46:57 pinguin kernel: RBP: ffff8807f1457df0 R08: ffff8807f1454000 R09: 0000000000000000
Oct 24 18:46:57 pinguin kernel: R10: 000000000001e1f5 R11: ffff8807f1f5be18 R12: fffffffffffffffc
Oct 24 18:46:57 pinguin kernel: R13: ffff8807e0388120 R14: 0000000000000000 R15: ffff88081f3d8000
Oct 24 18:46:57 pinguin kernel: FS:  0000000000000000(0000) GS:ffff88081f3c0000(0000) knlGS:0000000000000000
Oct 24 18:46:57 pinguin kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 24 18:46:57 pinguin kernel: CR2: 000000000000001c CR3: 00000007ecd04000 CR4: 00000000001407e0
Oct 24 18:46:57 pinguin kernel: Stack:
Oct 24 18:46:57 pinguin kernel:  ffff8807e0388150 fffffffffffffffc ffff8807e0388120 ffff8807f1457e18
Oct 24 18:46:57 pinguin kernel:  ffffffffa0401d0c ffff8807e0388150 ffff8807f1c67540 ffff88081f3d3dc0
Oct 24 18:46:57 pinguin kernel:  ffff8807f1457e58 ffffffff81088b85 00ff880800000000 ffff8807f1c67540
Oct 24 18:46:57 pinguin kernel: Call Trace:
Oct 24 18:46:57 pinguin kernel:  [<ffffffffa0401d0c>] __i915_mm_struct_free__worker+0x2c/0x70 [i915]
Oct 24 18:46:57 pinguin kernel:  [<ffffffff81088b85>] process_one_work+0x145/0x400
Oct 24 18:46:57 pinguin kernel:  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
Oct 24 18:46:57 pinguin kernel:  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
Oct 24 18:46:57 pinguin kernel:  [<ffffffff8108e06a>] kthread+0xea/0x100
Oct 24 18:46:57 pinguin kernel:  [<ffffffff8108df80>] ? kthread_create_on_node+0x1b0/0x1b0
Oct 24 18:46:57 pinguin kernel:  [<ffffffff8153c77c>] ret_from_fork+0x7c/0xb0
Oct 24 18:46:57 pinguin kernel:  [<ffffffff8108df80>] ? kthread_create_on_node+0x1b0/0x1b0
Oct 24 18:46:57 pinguin kernel: Code: ff ff 5d c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8b 46 4c 85 c0 0f 8e c0 00 00 00 55 48 89 e5 41 55 41 54 53 <48> 83 7f 08 00 48 89 f3 49 89 fc 74 76 48 c7 c7 80 78 b0 81 e8 
Oct 24 18:46:57 pinguin kernel: RIP  [<ffffffff811a3339>] mmu_notifier_unregister+0x19/0xe0
Oct 24 18:46:58 pinguin kernel:  RSP <ffff8807f1457dd8>
Oct 24 18:46:58 pinguin kernel: CR2: 000000000000001c
Oct 24 18:46:58 pinguin kernel: ---[ end trace ef7d86f32f9ade0f ]---
Oct 24 18:46:58 pinguin kernel: BUG: unable to handle kernel paging request at ffffffffffffffd8
Oct 24 18:46:58 pinguin kernel: IP: [<ffffffff8108e720>] kthread_data+0x10/0x20
Oct 24 18:46:58 pinguin kernel: PGD 1817067 PUD 1819067 PMD 0 
Oct 24 18:46:58 pinguin kernel: Oops: 0000 [#2] PREEMPT SMP 
Oct 24 18:46:58 pinguin kernel: Modules linked in: uas mousedev usb_storage iTCO_wdt iTCO_vendor_support evdev coretemp mac_hid hwmon intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse serio_raw r8169 snd_hda_codec_hdmi mii i2c_i801 nuvoton_cir lpc_ich rc_core i915 battery tpm_tis snd_hda_codec_realtek tpm snd_hda_codec_generic video drm_kms_helper drm snd_hda_intel snd_hda_controller intel_gtt i2c_algo_bit snd_hda_codec mei_me ie31200_edac i2c_core mei shpchp edac_core snd_hwdep button processor loop snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer snd_mixer_oss snd soundcore ext4 crc16 mbcache jbd2 hid_generic usbhid hid
Oct 24 18:46:58 pinguin kernel:  sd_mod sr_mod crc_t10dif cdrom crct10dif_common atkbd libps2 ahci libahci ehci_pci xhci_hcd ehci_hcd libata scsi_mod usbcore usb_common i8042 serio
Oct 24 18:46:58 pinguin kernel: CPU: 7 PID: 127 Comm: kworker/7:1 Tainted: G      D        3.17.1-1-ARCH #1
Oct 24 18:46:58 pinguin kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z77 Pro4, BIOS P1.50 09/04/2012
Oct 24 18:46:58 pinguin kernel: task: ffff8807f1448a10 ti: ffff8807f1454000 task.ti: ffff8807f1454000
Oct 24 18:46:58 pinguin kernel: RIP: 0010:[<ffffffff8108e720>]  [<ffffffff8108e720>] kthread_data+0x10/0x20
Oct 24 18:46:58 pinguin kernel: RSP: 0018:ffff8807f1457948  EFLAGS: 00010002
Oct 24 18:46:58 pinguin kernel: RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000003
Oct 24 18:46:58 pinguin kernel: RDX: 000000000000000a RSI: 0000000000000007 RDI: ffff8807f1448a10
Oct 24 18:46:58 pinguin kernel: RBP: ffff8807f1457948 R08: 0000000000000000 R09: ffff8807fec3e601
Oct 24 18:46:58 pinguin kernel: R10: ffff88081f3d7b60 R11: ffffea001fc51800 R12: ffff88081f3d45c0
Oct 24 18:46:58 pinguin kernel: R13: ffff88081f3d45c0 R14: ffff8807f1448a10 R15: 0000000000000000
Oct 24 18:46:58 pinguin kernel: FS:  0000000000000000(0000) GS:ffff88081f3c0000(0000) knlGS:0000000000000000
Oct 24 18:46:58 pinguin kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 24 18:46:58 pinguin kernel: CR2: 0000000000000028 CR3: 00000007ecd04000 CR4: 00000000001407e0
Oct 24 18:46:58 pinguin kernel: Stack:
Oct 24 18:46:58 pinguin kernel:  ffff8807f1457960 ffffffff81089601 0000000000000007 ffff8807f1457a78
Oct 24 18:46:58 pinguin kernel:  ffffffff81537ec5 ffff8807f1448a10 00000000000145c0 ffff8807f1457fd8
Oct 24 18:46:58 pinguin kernel:  00000000000145c0 ffff8807fe808180 ffff8807f1448a10 ffff8807f14579c0
Oct 24 18:46:58 pinguin kernel: Call Trace:
Oct 24 18:46:58 pinguin kernel:  [<ffffffff81089601>] wq_worker_sleeping+0x11/0xa0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff81537ec5>] __schedule+0x755/0xa60
Oct 24 18:46:58 pinguin kernel:  [<ffffffff811abfd9>] ? kmem_cache_free+0x199/0x1d0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff810d0697>] ? call_rcu+0x17/0x20
Oct 24 18:46:58 pinguin kernel:  [<ffffffff81071700>] ? release_task+0x2f0/0x4b0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff815381f9>] schedule+0x29/0x70
Oct 24 18:46:58 pinguin kernel:  [<ffffffff81073282>] do_exit+0x882/0xb20
Oct 24 18:46:58 pinguin kernel:  [<ffffffff810185eb>] oops_end+0x9b/0xe0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8105df4c>] no_context+0x17c/0x3c0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8105e2bd>] __bad_area_nosemaphore+0x12d/0x250
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8105e3f3>] bad_area_nosemaphore+0x13/0x20
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8105ea04>] __do_page_fault+0x344/0x600
Oct 24 18:46:58 pinguin kernel:  [<ffffffff810b5c70>] ? cpuacct_charge+0x50/0x60
Oct 24 18:46:58 pinguin kernel:  [<ffffffff810a49dc>] ? update_curr+0xec/0x1b0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff810a4f3f>] ? dequeue_entity+0x13f/0x580
Oct 24 18:46:58 pinguin kernel:  [<ffffffff810a32e5>] ? set_next_entity+0x95/0xb0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8105ece2>] do_page_fault+0x22/0x30
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8153e6f8>] page_fault+0x28/0x30
Oct 24 18:46:58 pinguin kernel:  [<ffffffff811a3339>] ? mmu_notifier_unregister+0x19/0xe0
Oct 24 18:46:58 pinguin kernel:  [<ffffffffa0401d0c>] __i915_mm_struct_free__worker+0x2c/0x70 [i915]
Oct 24 18:46:58 pinguin kernel:  [<ffffffff81088b85>] process_one_work+0x145/0x400
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8108e06a>] kthread+0xea/0x100
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8108df80>] ? kthread_create_on_node+0x1b0/0x1b0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8153c77c>] ret_from_fork+0x7c/0xb0
Oct 24 18:46:58 pinguin kernel:  [<ffffffff8108df80>] ? kthread_create_on_node+0x1b0/0x1b0
Oct 24 18:46:58 pinguin kernel: Code: 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 83 e0 01 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 87 f0 04 00 00 55 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 
Oct 24 18:46:58 pinguin kernel: RIP  [<ffffffff8108e720>] kthread_data+0x10/0x20
Oct 24 18:46:58 pinguin kernel:  RSP <ffff8807f1457948>
Oct 24 18:46:58 pinguin kernel: CR2: ffffffffffffffd8
Oct 24 18:46:58 pinguin kernel: ---[ end trace ef7d86f32f9ade10 ]---
Oct 24 18:46:58 pinguin kernel: Fixing recursive fault but reboot is needed!