[  182.390301] Console: switching to colour dummy device 80x25
[  182.390365] [IGT] gem_exec_flush: executing
[  182.413618] Setting dangerous option reset - tainting kernel
[  182.414905] [IGT] gem_exec_flush: starting subtest stream-rw-before-vebox
[  182.416762] [drm:intel_power_well_enable [i915]] enabling DC off
[  182.416808] [drm:gen9_set_dc_state [i915]] Setting DC state from 02 to 00
[  216.828647] hangcheck vecs0
[  216.828653] hangcheck        current seqno 30ba8a, last 30ba8a, hangcheck 30ba8a [4000 ms], inflight 4
[  216.828655] hangcheck        Reset count: 0 (global 0)
[  216.828657] hangcheck        Requests:
[  216.828661] hangcheck        RING_START: 0x0000a000
[  216.828664] hangcheck        RING_HEAD:  0x00003ec8
[  216.828667] hangcheck        RING_TAIL:  0x00003ec8
[  216.828671] hangcheck        RING_CTL:   0x00003000
[  216.828676] hangcheck        RING_MODE:  0x00000200 [idle]
[  216.828679] hangcheck        RING_IMR: fffffeff
[  216.828685] hangcheck        ACTHD:  0x00000000_9d803ec8
[  216.828691] hangcheck        BBADDR: 0x00000000_00083894
[  216.828696] hangcheck        DMA_FADDR: 0x00000000_00000000
[  216.828699] hangcheck        IPEIR: 0x00000000
[  216.828702] hangcheck        IPEHR: 0x00000000
[  216.828707] hangcheck        Execlist status: 0x00000301 00000000
[  216.828711] hangcheck        Execlist CSB read 2 [2 cached], write 2 [2 from hws], interrupt posted? no
[  216.828721] BUG: unable to handle kernel paging request at 0000000100000084
[  216.828793] IP: print_request+0x11/0xb0 [i915]
[  216.828798] PGD 0 P4D 0
[  216.828806] Oops: 0000 [#1] SMP PTI
[  216.828813] Dumping ftrace buffer:
[  216.828819]    (ftrace buffer empty)
[  216.828823] Modules linked in: snd_hda_codec_hdmi cmac bnep 8250_dw snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_core snd_compress snd_pcm_dmaengine ac97_bus nls_iso8859_1 arc4 snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep x86_pkg_temp_thermal snd_pcm intel_powerclamp coretemp kvm_intel kvm snd_seq_midi irqbypass snd_seq_midi_event crct10dif_pclmul iwlmvm crc32_pclmul ghash_clmulni_intel pcbc mac80211 aesni_intel snd_rawmidi aes_x86_64 crypto_simd glue_helper cryptd snd_seq snd_seq_device snd_timer wmi_bmof serio_raw input_leds iwlwifi asix usbnet mii btusb snd btrtl btbcm btintel idma64 soundcore virt_dma shpchp bluetooth cfg80211 intel_lpss_pci ecdh_generic intel_lpss intel_pch_thermal acpi_pad
[  216.828913]  mac_hid parport_pc ppdev lp parport ip_tables x_tables autofs4 uas usb_storage hid_generic usbhid hid i915 e1000e prime_numbers wmi video
[  216.828940] CPU: 1 PID: 47 Comm: kworker/1:1 Tainted: G     U           4.16.0-rc2-drm-intel-qa-ww9-commit-2dd646d+ #1
[  216.828946] Hardware name: Intel Corporation CannonLake Client Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X124.B02.1802051422 02/05/2018
[  216.829007] Workqueue: events_long i915_hangcheck_elapsed [i915]
[  216.829063] RIP: 0010:print_request+0x11/0xb0 [i915]
[  216.829068] RSP: 0018:ffff999440e83c90 EFLAGS: 00010286
[  216.829074] RAX: 0000000000000017 RBX: 00000000fffffffc RCX: 0000000000000006
[  216.829080] RDX: ffff999440e83cd0 RSI: 00000000fffffffc RDI: ffff999440e83e28
[  216.829085] RBP: ffff999440e83e28 R08: 0000000000000003 R09: 0000000000000000
[  216.829090] R10: 0000000000000002 R11: ffff999440e83ce1 R12: ffff999440e83cd0
[  216.829095] R13: ffff999440e83e28 R14: ffff8d8a16fc22e0 R15: 0000000000000002
[  216.829101] FS:  0000000000000000(0000) GS:ffff8d8a2f880000(0000) knlGS:0000000000000000
[  216.829108] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  216.829113] CR2: 0000000100000084 CR3: 0000000265e0a002 CR4: 0000000000760ee0
[  216.829118] PKRU: 55555554
[  216.829121] Call Trace:
[  216.829177]  intel_engine_print_registers+0x586/0x7c0 [i915]
[  216.829230]  intel_engine_dump+0x22e/0x440 [i915]
[  216.829286]  ? fwtable_read32+0x83/0x1b0 [i915]
[  216.829335]  i915_hangcheck_elapsed+0x31a/0x340 [i915]
[  216.829347]  ? __drm_printfn_info+0x20/0x20
[  216.829356]  process_one_work+0x147/0x3c0
[  216.829364]  worker_thread+0x4a/0x440
[  216.829371]  kthread+0xf8/0x130
[  216.829378]  ? rescuer_thread+0x360/0x360
[  216.829384]  ? kthread_associate_blkcg+0x90/0x90
[  216.829393]  ret_from_fork+0x35/0x40
[  216.829399] Code: 00 00 00 be 90 40 00 00 89 c2 48 89 df e8 c8 4e 9e d4 e9 c4 fc ff ff 0f 1f 00 0f 1f 44 00 00 41 55 41 54 49 89 d4 55 53 48 89 fd <48> 8b 86 88 00 00 00 48 8b 3d 41 6d fe d4 48 89 f3 48 2b be f0
[  216.829515] RIP: print_request+0x11/0xb0 [i915] RSP: ffff999440e83c90
[  216.829519] CR2: 0000000100000084
[  216.829525] ---[ end trace 027c568c0fc77a70 ]---