Sequence of events:
1) Firefox freezes. 
2) Tries to force close firefox in KDE
3) Window freezes
4) Tries to kill FF using pkill
5) Does not know pkill's commands so tries to open man pkill
6) man freezes inside of terminal emulator
7) Whole system freezes. Keyboard lights do not toggle, no disk activity, can not switch to other consoles using Ctr + Alt + F1
8) Force reset of system.


kernel BUG at /build/linux-2NWldV/linux-4.10.0/include/linux/swapops.h:129!
invalid opcode: 0000 [#1] SMP
Modules linked in: bnep binfmt_misc intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass joydev input_leds crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcbc aesni_intel snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep aes_x86_64 snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi hci_uart shpchp snd_seq snd_seq_device snd_timer snd mei_me crypto_simd intel_pch_thermal soundcore btbcm mei glue_helper cryptd btqca btintel intel_cstate bluetooth intel_rapl_perf acpi_als kfifo_buf industrialio mac_hid acpi_pad intel_lpss_acpi intel_lpss parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic usbhid mxm_wmi i915 i2c_algo_bit drm_kms_helper e1000e syscopyarea sysfillrect sysimgblt ptp
fb_sys_fops pps_core drm ahci libahci wmi i2c_hid video pinctrl_sunrisepoint hid pinctrl_intel fjes
CPU: 1 PID: 12522 Comm: firefox Not tainted 4.10.0-20-generic #22-Ubuntu
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z170 Extreme4, BIOS P1.00 07/01/2015
task: ffff8b7a27681700 task.stack: ffffa5aa46ea4000
RIP: 0010:__migration_entry_wait+0x16a/0x180
RSP: 0000:ffffa5aa46ea7d68 EFLAGS: 00010246
RAX: 0017ffffc0048078 RBX: fffff66e08999ab0 RCX: fffff66e08999ab0
RDX: 0000000000000001 RSI: ffff8b7a2666a008 RDI: fffff66e06618040
RBP: ffffa5aa46ea7d80 R08: ffff8b7c53513e00 R09: ffff8b7c53513e00
R10: 00007f3b6d400119 R11: 0000000000000206 R12: fffff66e06618040
R13: 3e00000000198601 R14: ffffa5aa46ea7e30 R15: ffff8b7a27a9d708
FS:  00007f3b6e7be740(0000) GS:ffff8b7c6ec40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b03001588 CR3: 0000000227afb000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
migration_entry_wait+0x74/0x80
  do_swap_page+0x5b3/0x770
  ? futex_wake+0x90/0x170
  handle_mm_fault+0x873/0x1360
  __do_page_fault+0x23e/0x4e0
  do_page_fault+0x22/0x30
  page_fault+0x28/0x30
RIP: 0033:0x5578da41de4b
RSP: 002b:00007ffe5edb51a0 EFLAGS: 00010246
RAX: 00007f3b05701688 RBX: 00007f3b6d400118 RCX: 00007f3b03001580
RDX: 00007f3b02601790 RSI: 00007f3b05801790 RDI: 00007f3b02601790
RBP: 00007f3b02601790 R08: 0000000000006000 R09: 00007f3b04300710
R10: 00007f3b6d400119 R11: 0000000000000206 R12: 00007f3b6d400110
R13: 00007f3b6d400118 R14: 00007f3b05801790 R15: 00007f3b04300350
Code: ff ff ff 4c 89 e7 e8 96 a2 f8 ff e9 3c ff ff ff 85 d2 0f 84 2a ff ff ff 8d 4a 01 89 d0 f0 41 0f b1 4d 00 39 d0 74 81 89 c2 eb e5 <0f> 0b 4c 89 e7 e8 0c fb f9 ff eb b8 4c 8d 60 ff 4c 8d 68 1b eb 
RIP: __migration_entry_wait+0x16a/0x180 RSP: ffffa5aa46ea7d68
---[ end trace c3166351e2a21ab7 ]---