general protection fault: 0000 [#2] SMP
Modules linked in: nls_iso8859_1 mmc_block rfcomm bnep snd_hda_codec_hdmi intel_rapl snd_hda_codec_idt snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal intel_powerclamp snd_hda_codec snd_hda_core snd_hwdep coretemp snd_pcm kvm irqbypass crct10dif_pclmul uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev media crc32_pclmul ath3k btusb btrtl btbcm btintel snd_seq_midi snd_seq_midi_event ghash_clmulni_intel cryptd intel_cstate arc4 snd_rawmidi bluetooth intel_rapl_perf ath9k input_leds joydev serio_raw ath9k_common snd_seq snd_seq_device snd_timer ath9k_hw ath snd ecdh_generic mac80211 hp_wmi soundcore jmb38x_ms cfg80211 memstick sparse_keymap wmi_bmof shpchp hp_accel lis3lv02d lpc_ich input_polldev mei_me mei mac_hid parport_pc ppdev lp parport ip_tables
 x_tables autofs4 hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper syscopyarea psmouse ahci sysfillrect sysimgblt libahci fb_sys_fops r8169 drm mii sdhci_pci sdhci wmi video
CPU: 0 PID: 102 Comm: kworker/0:2 Tainted: G      D         4.13.0-16-generic #19-Ubuntu
Hardware name: Hewlett-Packard HP ProBook 4530s/167C, BIOS 68SRR Ver. F.09 05/13/2011
Workqueue: events __i915_gem_free_work [i915]
task: ffff9bce7034ae80 task.stack: ffffafca80b80000
RIP: 0010:i915_gem_object_put_pages_gtt+0xf5/0x1c0 [i915]
RSP: 0018:ffffafca80b83d40 EFLAGS: 00010206
RAX: 61746d79736b5f5c RBX: fffff5388018ba40 RCX: ffff9bce7f420090
RDX: 0000000000000001 RSI: 61746d79736b5f5c RDI: 0000000000000202
RBP: ffffafca80b83d78 R08: 0000000000000020 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 00000000000062e9
R13: ffff9bcd8faf3e80 R14: 0000000000001000 R15: ffff9bcdf18523c0
FS:  0000000000000000(0000) GS:ffff9bce7f400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7da4c13392 CR3: 0000000138e76000 CR4: 00000000000406f0
Call Trace:
 __i915_gem_object_put_pages.part.60+0x124/0x190 [i915]
 __i915_gem_free_objects+0x290/0x2e0 [i915]
 __i915_gem_free_work+0x38/0x50 [i915]
 process_one_work+0x1e7/0x410
 worker_thread+0x4a/0x410
 kthread+0x125/0x140
 ? process_one_work+0x410/0x410
 ? kthread_create_on_node+0x70/0x70
 ? kthread_create_on_node+0x70/0x70
 ret_from_fork+0x25/0x30
Code: 3b 75 d4 72 4d 41 f6 45 00 02 0f 85 8d 00 00 00 49 8b 55 20 49 8d 45 20 48 89 d6 48 83 e6 fc 83 e2 01 48 0f 45 c6 48 85 c0 74 72 <4c> 8b 20 44 8b 70 08 8b 48 0c 49 83 e4 fc 4c 2b 25 3e 87 d4 db 
RIP: i915_gem_object_put_pages_gtt+0xf5/0x1c0 [i915] RSP: ffffafca80b83d40
---[ end trace 3391fb82bb738b73 ]---