https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5269/fi-bxt-dsi/igt@i915_module_load@reload-with-fault-injection.html
<4> [322.705683] WARN_ON(!queue_delayed_work(system_unbound_wq, &power_domains->async_put_work, msecs_to_jiffies(100)))
<4> [322.705822] WARNING: CPU: 0 PID: 340 at drivers/gpu/drm/i915/display/intel_display_power.c:2040 queue_async_put_domains_work+0x65/0x70 [i915]
<4> [322.705827] Modules linked in: i915 vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel btusb btrtl btbcm btintel lpc_ich bluetooth snd_intel_nhlt snd_hda_codec ecdh_generic snd_hwdep ecc snd_hda_core snd_pcm igb ptp pps_core mei_me mei prime_numbers i2c_hid pinctrl_broxton pinctrl_intel [last unloaded: i915]
<4> [322.705872] CPU: 0 PID: 340 Comm: kworker/0:3 Tainted: G     U            5.4.0-rc6-CI-CI_DRM_7304+ #1
<4> [322.705877] Hardware name: Intel Corp. Broxton P/Apollolake RVP1A, BIOS APLKRVPA.X64.0150.B11.1608081044 08/08/2016
<4> [322.705888] Workqueue: events output_poll_execute
<4> [322.705986] RIP: 0010:queue_async_put_domains_work+0x65/0x70 [i915]
<4> [322.706032] Code: 48 c7 c6 a0 a2 4b a0 48 c7 c7 a8 cc 4d a0 e8 12 ab cd e0 0f 0b eb bf 48 c7 c6 d0 a2 4b a0 48 c7 c7 a8 cc 4d a0 e8 fb aa cd e0 <0f> 0b 5b 5d c3 66 0f 1f 44 00 00 8b 46 08 85 c0 7e 05 e9 04 e7 ff
<4> [322.706037] RSP: 0000:ffffc900003afb40 EFLAGS: 00010286
<4> [322.706043] RAX: 0000000000000000 RBX: ffff888134b8af58 RCX: 0000000000000000
<4> [322.706048] RDX: 000000000000175c RSI: ffff888164ba57e8 RDI: ffffffff8213c161
<4> [322.706052] RBP: 00000000fde00000 R08: ffff888164ba57e8 R09: 0000000000000000
<4> [322.706057] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888134b8af68
<4> [322.706061] R13: 00000000fde00000 R14: ffff888134b8af58 R15: 0000000000000000
<4> [322.706066] FS:  0000000000000000(0000) GS:ffff88817ba00000(0000) knlGS:0000000000000000
<4> [322.706071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [322.706075] CR2: 00007f4ffa0ba5a0 CR3: 0000000135c88000 CR4: 00000000003406f0
<4> [322.706080] Call Trace:
<4> [322.706186]  __intel_display_power_put_async+0xca/0x100 [i915]
<4> [322.706281]  intel_digital_port_connected+0x187/0x450 [i915]
<4> [322.706370]  intel_dp_detect+0x26a/0x500 [i915]
<4> [322.706385]  drm_helper_probe_single_connector_modes+0xd5/0x6f0
<4> [322.706419]  drm_client_modeset_probe+0x1ff/0xb10
<4> [322.706438]  ? drm_dbg+0x7f/0x90
<4> [322.706458]  drm_fb_helper_hotplug_event.part.15+0x95/0xc0
<4> [322.706465]  drm_kms_helper_hotplug_event+0x21/0x30
<4> [322.706472]  output_poll_execute+0x1a0/0x1b0
<4> [322.706488]  process_one_work+0x26a/0x620
<4> [322.706506]  worker_thread+0x37/0x380
<4> [322.706517]  ? process_one_work+0x620/0x620
<4> [322.706523]  kthread+0x119/0x130
<4> [322.706530]  ? kthread_park+0x80/0x80
<4> [322.706541]  ret_from_fork+0x3a/0x50
<4> [322.706567] irq event stamp: 7146
<4> [322.706574] hardirqs last  enabled at (7145): [<ffffffff8112ac5c>] vprintk_emit+0xcc/0x340
<4> [322.706580] hardirqs last disabled at (7146): [<ffffffff81001c0a>] trace_hardirqs_off_thunk+0x1a/0x20
<4> [322.706587] softirqs last  enabled at (6962): [<ffffffff8186ce29>] peernet2id+0x49/0x70
<4> [322.706592] softirqs last disabled at (6960): [<ffffffff8186ce0a>] peernet2id+0x2a/0x70
<4> [322.706597] ---[ end trace a62495b1a556fc1b ]---