Apr 10 16:24:39 doe kernel: [15638.809340] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
Apr 10 16:24:39 doe kernel: [15638.809421] IP: gen8_ppgtt_alloc_page_directories.isra.38+0x115/0x250 [i915]
Apr 10 16:24:39 doe kernel: [15638.809458] PGD 0
Apr 10 16:24:39 doe kernel: [15638.809459]
Apr 10 16:24:39 doe kernel: [15638.809483] Oops: 0002 [#1] SMP
Apr 10 16:24:39 doe kernel: [15638.809501] Modules linked in: scsi_transport_iscsi rfcomm ccm binfmt_misc veth ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_filter ip6_tables ipt_MASQUERADE nf_nat_masquerade
_ipv4 xt_CHECKSUM xt_comment xt_tcpudp iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_filter bridge stp llc cmac bnep zfs(PO) zunicode(PO) zavl(PO) zcommon(PO) znvpair(PO) spl(O) hid_multitouch joydev nls_iso8859_1 snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_hda_codec_hdmi snd_soc_core snd_compress snd_hda_codec_realtek snd_hda_codec_generic ac97_bus snd_pcm_dmaengine snd_hda_intel snd_hda_codec i2c_designware_platform snd_hda_core i2c_designware_core snd_hwdep asus_nb_wmi asus_wmi sparse_keymap
Apr 10 16:24:39 doe kernel: [15638.809852]  snd_pcm arc4 snd_seq_midi snd_seq_midi_event snd_rawmidi iwlmvm mac80211 snd_seq intel_rapl snd_seq_device iwlwifi x86_pkg_temp_thermal snd_timer intel_powerclamp uvcvideo coretemp videobuf2_vmalloc kvm_intel videobuf2_memops videobuf2_v4l2 kvm videobuf2_core cfg80211 irqbypass intel_cstate videodev intel_rapl_perf input_leds serio_raw media snd soundcore mei_me mei idma64 virt_dma shpchp btusb btrtl processor_thermal_device hci_uart elan_i2c intel_soc_dts_iosf intel_lpss_pci intel_pch_thermal acpi_als btbcm btqca int3403_thermal kfifo_buf btintel industrialio mac_hid intel_lpss_acpi bluetooth intel_lpss int3402_thermal int3400_thermal asus_wireless int340x_thermal_zone int3406_thermal tpm_crb acpi_thermal_rel acpi_pad parport_pc ppdev lp parport ip_tables x_tables autofs4 algif_skcipher
Apr 10 16:24:39 doe kernel: [15638.810209]  af_alg dm_crypt crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc i915 aesni_intel aes_x86_64 crypto_simd glue_helper cryptd i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ahci libahci wmi i2c_hid hid video pinctrl_sunrisepoint pinctrl_intel fjes
Apr 10 16:24:39 doe kernel: [15638.810344] CPU: 1 PID: 14797 Comm: chromium-browse Tainted: P           O    4.10.0-19-generic #21-Ubuntu
Apr 10 16:24:39 doe kernel: [15638.810392] Hardware name: ASUSTeK COMPUTER INC. UX305CA/UX305CA, BIOS UX305CA.201 09/11/2015
Apr 10 16:24:39 doe kernel: [15638.810432] task: ffff9e885e6a8000 task.stack: ffffaa20236e8000
Apr 10 16:24:39 doe kernel: [15638.810489] RIP: 0010:gen8_ppgtt_alloc_page_directories.isra.38+0x115/0x250 [i915]
Apr 10 16:24:39 doe kernel: [15638.810527] RSP: 0018:ffffaa20236eb880 EFLAGS: 00010246
Apr 10 16:24:39 doe kernel: [15638.810555] RAX: ffff9e8a29e55c80 RBX: 0000000000000003 RCX: 0000000000000003
Apr 10 16:24:39 doe kernel: [15638.810590] RDX: 0000000000000000 RSI: ffff9e8a9bdba000 RDI: ffff9e8aa0600000
Apr 10 16:24:39 doe kernel: [15638.810624] RBP: ffffaa20236eb8d8 R08: 0000000000000000 R09: 0000000000000000
Apr 10 16:24:39 doe kernel: [15638.810660] R10: 0000000000000000 R11: 0000000000000041 R12: ffff9e89b45fc000
Apr 10 16:24:39 doe kernel: [15638.810695] R13: ffff9e89c1a64cb0 R14: 00000000fff17000 R15: 0000000000008000
Apr 10 16:24:39 doe kernel: [15638.810733] FS:  00007f239f4d1ac0(0000) GS:ffff9e8ab3c80000(0000) knlGS:0000000000000000
Apr 10 16:24:39 doe kernel: [15638.810772] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 10 16:24:39 doe kernel: [15638.810802] CR2: 0000000000000018 CR3: 000000002016e000 CR4: 00000000003406e0
Apr 10 16:24:39 doe kernel: [15638.810838] Call Trace:
Apr 10 16:24:39 doe kernel: [15638.810880]  gen8_alloc_va_range_3lvl+0xfb/0x9e0 [i915]
Apr 10 16:24:39 doe kernel: [15638.810910]  ? get_partial_node.isra.69+0x10d/0x1d0
Apr 10 16:24:39 doe kernel: [15638.810956]  gen8_alloc_va_range+0x23d/0x470 [i915]
Apr 10 16:24:39 doe kernel: [15638.811004]  i915_vma_bind+0x7e/0x170 [i915]
Apr 10 16:24:39 doe kernel: [15638.811050]  __i915_vma_do_pin+0x2a5/0x450 [i915]
Apr 10 16:24:39 doe kernel: [15638.811103]  i915_gem_execbuffer_reserve_vma.isra.31+0x144/0x1b0 [i915]
Apr 10 16:24:39 doe kernel: [15638.811165]  i915_gem_execbuffer_reserve.isra.32+0x39e/0x3d0 [i915]
Apr 10 16:24:39 doe kernel: [15638.811215]  i915_gem_do_execbuffer.isra.38+0x4a2/0x1750 [i915]
Apr 10 16:24:39 doe kernel: [15638.811246]  ? radix_tree_lookup_slot+0x22/0x50
Apr 10 16:24:39 doe kernel: [15638.811275]  ? shmem_getpage_gfp+0xf9/0xc10
Apr 10 16:24:39 doe kernel: [15638.811318]  i915_gem_execbuffer2+0xa1/0x1e0 [i915]
Apr 10 16:24:39 doe kernel: [15638.811359]  drm_ioctl+0x21b/0x4c0 [drm]
Apr 10 16:24:39 doe kernel: [15638.811406]  ? i915_gem_execbuffer+0x310/0x310 [i915]
Apr 10 16:24:39 doe kernel: [15638.811439]  ? __seccomp_filter+0x67/0x250
Apr 10 16:24:39 doe kernel: [15638.811466]  do_vfs_ioctl+0xa3/0x610
Apr 10 16:24:39 doe kernel: [15638.811488]  ? __secure_computing+0x3f/0xd0
Apr 10 16:24:39 doe kernel: [15638.811516]  ? syscall_trace_enter+0xcd/0x2e0
Apr 10 16:24:39 doe kernel: [15638.811546]  SyS_ioctl+0x79/0x90
Apr 10 16:24:39 doe kernel: [15638.811567]  do_syscall_64+0x5b/0xc0
Apr 10 16:24:39 doe kernel: [15638.811591]  entry_SYSCALL64_slow_path+0x25/0x25
Apr 10 16:24:39 doe kernel: [15638.811619] RIP: 0033:0x7f238a291987
Apr 10 16:24:39 doe kernel: [15638.811641] RSP: 002b:00007ffc2e9603c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Apr 10 16:24:39 doe kernel: [15638.811687] RAX: ffffffffffffffda RBX: 00005591d217c350 RCX: 00007f238a291987
Apr 10 16:24:39 doe kernel: [15638.811723] RDX: 00007ffc2e960410 RSI: 00000000c0406469 RDI: 00000000000000f2
Apr 10 16:24:39 doe kernel: [15638.811761] RBP: 00007ffc2e960410 R08: 0000000000000000 R09: 0000000000000000
Apr 10 16:24:39 doe kernel: [15638.811802] R10: 0000000000000050 R11: 0000000000000246 R12: 00000000c0406469
Apr 10 16:24:39 doe kernel: [15638.811838] R13: 00000000000000f2 R14: 0000000000000000 R15: 0000000000000000
Apr 10 16:24:39 doe kernel: [15638.811877] Code: e6 48 8b 90 20 03 00 00 48 8b b8 d8 02 00 00 48 8b 52 08 48 83 ca 03 e8 ca cd ff ff 48 8b 45 b0 48 8b 4d c8 48 8b 10 48 8b 45 d0 <4c> 89 24 ca 48 0f ab 08 0f 1f 44 00 00 e9 53 ff ff ff 65 8b 05
Apr 10 16:24:39 doe kernel: [15638.812056] RIP: gen8_ppgtt_alloc_page_directories.isra.38+0x115/0x250 [i915] RSP: ffffaa20236eb880
Apr 10 16:24:39 doe kernel: [15638.812110] CR2: 0000000000000018
Apr 10 16:24:39 doe kernel: [15638.846021] ---[ end trace 89c6230725cd110c ]---