Similar issue just now on my system:

May 25 21:40:31 myrddin kernel: [24619.217109] ------------[ cut here ]------------
May 25 21:40:31 myrddin kernel: [24619.217118] kernel BUG at /build/linux-lz1RHE/linux-4.10.0/include/linux/swapops.h:129!
May 25 21:40:31 myrddin kernel: [24619.217123] invalid opcode: 0000 [#1] SMP
May 25 21:40:31 myrddin kernel: [24619.217126] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) nfc binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi intel_rapl edac_core x86_pkg_temp_thermal intel_powerclamp coretemp input_leds eeepc_wmi asus_wmi sparse_keymap video mxm_wmi snd_hda_codec_realtek snd_hda_codec_generic kvm_intel snd_hda_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi nvidia_uvm(POE) snd_seq_midi_event aesni_intel aes_x86_64 crypto_simd snd_rawmidi glue_helper cryptd intel_cstate intel_rapl_perf snd_seq snd_seq_device snd_timer snd lpc_ich mei_me soundcore mei shpchp tpm_infineon wmi mac_hid parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq
May 25 21:40:31 myrddin kernel: [24619.217202]  async_xor async_tx xor hid_generic usbhid hid raid6_pq libcrc32c raid1 raid0 multipath linear nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) drm_kms_helper e1000e syscopyarea firewire_ohci sysfillrect sysimgblt firewire_core fb_sys_fops ahci crc_itu_t drm libahci ptp pps_core fjes
May 25 21:40:31 myrddin kernel: [24619.217239] CPU: 9 PID: 24123 Comm: JS Helper Tainted: P           OE   4.10.0-21-generic #23-Ubuntu
May 25 21:40:31 myrddin kernel: [24619.217243] Hardware name: System manufacturer System Product Name/P9X79, BIOS 4608 12/24/2013
May 25 21:40:31 myrddin kernel: [24619.217247] task: ffff956216efc380 task.stack: ffffac8485fdc000
May 25 21:40:31 myrddin kernel: [24619.217256] RIP: 0010:__migration_entry_wait+0x16a/0x180
May 25 21:40:31 myrddin kernel: [24619.217260] RSP: 0000:ffffac8485fdfd68 EFLAGS: 00010246
May 25 21:40:31 myrddin kernel: [24619.217265] RAX: 0017ffffc0048078 RBX: ffffd2bf6033c670 RCX: ffffd2bf6033c670
May 25 21:40:31 myrddin kernel: [24619.217269] RDX: 0000000000000001 RSI: ffff95620cf19800 RDI: ffffd2bf5c17c000
May 25 21:40:31 myrddin kernel: [24619.217273] RBP: ffffac8485fdfd80 R08: ffff956213f29f00 R09: ffff956213f29f00
May 25 21:40:31 myrddin kernel: [24619.217278] R10: 00007f54664000c8 R11: 0000000000000206 R12: ffffd2bf5c17c000
May 25 21:40:31 myrddin kernel: [24619.217282] R13: 3e00000000705f00 R14: ffffac8485fdfe30 R15: ffff956135b294b0
May 25 21:40:31 myrddin kernel: [24619.217287] FS:  00007f544a0fa700(0000) GS:ffff95621f440000(0000) knlGS:0000000000000000
May 25 21:40:31 myrddin kernel: [24619.217292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 25 21:40:31 myrddin kernel: [24619.217296] CR2: 00007f5431700018 CR3: 000000079e5ad000 CR4: 00000000001406e0
May 25 21:40:31 myrddin kernel: [24619.217299] Call Trace:
May 25 21:40:31 myrddin kernel: [24619.217308]  migration_entry_wait+0x74/0x80
May 25 21:40:31 myrddin kernel: [24619.217316]  do_swap_page+0x5b3/0x770
May 25 21:40:31 myrddin kernel: [24619.217323]  handle_mm_fault+0x873/0x1360
May 25 21:40:31 myrddin kernel: [24619.217331]  __do_page_fault+0x23e/0x4e0
May 25 21:40:31 myrddin kernel: [24619.217338]  do_page_fault+0x22/0x30
May 25 21:40:31 myrddin kernel: [24619.217346]  page_fault+0x28/0x30
May 25 21:40:31 myrddin kernel: [24619.217350] RIP: 0033:0x555593b7b58d
May 25 21:40:31 myrddin kernel: [24619.217353] RSP: 002b:00007f544a0f9d20 EFLAGS: 00010207
May 25 21:40:31 myrddin kernel: [24619.217358] RAX: 0000000000000000 RBX: 00007f5466400040 RCX: 00007f5466605137
May 25 21:40:31 myrddin kernel: [24619.217362] RDX: 0000000000000008 RSI: 0000000000001000 RDI: 00007f54317b2000
May 25 21:40:31 myrddin kernel: [24619.217365] RBP: 00007f5431700000 R08: 00007f54664000c8 R09: 0000000000000000
May 25 21:40:31 myrddin kernel: [24619.217369] R10: 00007f54664000c8 R11: 0000000000000206 R12: 0000000000000080
May 25 21:40:31 myrddin kernel: [24619.217372] R13: 00007f54664000c8 R14: 00000000000000b1 R15: 0000000000000001
May 25 21:40:31 myrddin kernel: [24619.217376] Code: ff ff ff 4c 89 e7 e8 b6 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 2c fb f9 ff eb b8 4c 8d 60 ff 4c 8d 68 1b eb 
May 25 21:40:31 myrddin kernel: [24619.217450] RIP: __migration_entry_wait+0x16a/0x180 RSP: ffffac8485fdfd68
May 25 21:40:31 myrddin kernel: [24619.217509] ---[ end trace b2a1e2c03d7d4ff6 ]---