[Bug 111256] New: [CI][SHARDS] igt at prime_busy@wait-hang-vebox - dmesg-warn - kernel BUG at ./drivers/gpu/drm/i915/intel_wakeref.h:110!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111256

            Bug ID: 111256
           Summary: [CI][SHARDS] igt at prime_busy@wait-hang-vebox -
                    dmesg-warn - kernel BUG at
                    ./drivers/gpu/drm/i915/intel_wakeref.h:110!
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6576/shard-glk7/igt@prime_busy@wait-hang-vebox.html

<4> [163.610318] ------------[ cut here ]------------
<2> [163.610336] kernel BUG at ./drivers/gpu/drm/i915/intel_wakeref.h:110!
<4> [163.610405] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [163.610415] CPU: 1 PID: 30 Comm: kworker/u8:1 Tainted: G     U           
5.3.0-rc2-CI-CI_DRM_6576+ #1
<4> [163.610429] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS
JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
<4> [163.610531] Workqueue: i915 retire_work_handler [i915]
<4> [163.610595] RIP: 0010:intel_engine_pm_put+0x44/0x50 [i915]
<4> [163.610604] Code: 00 00 00 48 89 df e8 db cd 00 e1 85 c0 75 03 5b 5d c3 48
8d bd c8 bb 00 00 48 89 de 48 c7 c2 50 47 10 a0 5b 5d e9 6c 9b fe ff <0f> 0b 66
2e 0f 1f 84 00 00 00 00 00 48 81 c7 b8 00 00 00 48 c7 c6
<4> [163.610629] RSP: 0018:ffffc9000013bdb8 EFLAGS: 00010246
<4> [163.610638] RAX: 0000000000000000 RBX: ffff88825d8bf700 RCX:
0000000000000001
<4> [163.610648] RDX: 00000000000015b3 RSI: ffff888276083018 RDI:
ffff888261bb42a8
<4> [163.610659] RBP: ffff888261ba0000 R08: ffff888276083018 R09:
0000000000000000
<4> [163.610669] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88825d8bf998
<4> [163.610680] R13: ffff88825d8bf990 R14: ffff88825d8bf760 R15:
0000000000000000
<4> [163.610690] FS:  0000000000000000(0000) GS:ffff888277e80000(0000)
knlGS:0000000000000000
<4> [163.610703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [163.610712] CR2: 00007f88a23e6000 CR3: 0000000272460000 CR4:
0000000000340ee0
<4> [163.610722] Call Trace:
<4> [163.610788]  i915_request_retire+0x35e/0x840 [i915]
<4> [163.610859]  ring_retire_requests+0x47/0x50 [i915]
<4> [163.610927]  i915_retire_requests+0x57/0xc0 [i915]
<4> [163.610993]  retire_work_handler+0x27/0x60 [i915]
<4> [163.611006]  process_one_work+0x245/0x610
<4> [163.611016]  worker_thread+0x1d0/0x380
<4> [163.611025]  ? process_one_work+0x610/0x610
<4> [163.611034]  kthread+0x119/0x130
<4> [163.611042]  ? kthread_park+0xa0/0xa0
<4> [163.611053]  ret_from_fork+0x24/0x50
<4> [163.611064] Modules linked in: vgem mei_hdcp snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl btbcm btintel
x86_pkg_temp_thermal coretemp bluetooth crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel ecdh_generic ecc r8169 i915 realtek i2c_hid snd_hda_intel
snd_hda_codec snd_hwdep snd_hda_core snd_pcm mei_me mei pinctrl_geminilake
prime_numbers pinctrl_intel
<0> [163.611125] Dumping ftrace buffer:
<0> [163.611132] ---------------------------------
<0> [163.611206] CPU:1 [LOST 573578 EVENTS]

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