https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4693/fi-glk-j4005/igt@drv_module_reload@basic-no-display.html

<4> [306.685966] ------------[ cut here ]------------
<4> [306.685970] Acquiring modeset locks failed with -22
<4> [306.686057] WARNING: CPU: 1 PID: 107 at drivers/gpu/drm/i915/intel_ddi.c:3703 intel_ddi_hotplug+0x11f/0x2e0 [i915]
<4> [306.686061] Modules linked in: i915(-) vgem snd_hda_codec_hdmi btusb btrtl btbcm btintel x86_pkg_temp_thermal snd_hda_codec_realtek coretemp snd_hda_codec_generic crct10dif_pclmul crc32_pclmul bluetooth ghash_clmulni_intel ecdh_generic r8169 i2c_hid snd_hda_codec snd_hwdep snd_hda_core snd_pcm pinctrl_geminilake pinctrl_intel mei_me mei prime_numbers [last unloaded: snd_hda_intel]
<4> [306.686139] CPU: 1 PID: 107 Comm: kworker/1:3 Tainted: G     U  W         4.19.0-rc8-CI-CI_DRM_5033+ #1
<4> [306.686142] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
<4> [306.686195] Workqueue: events i915_hotplug_work_func [i915]
<4> [306.686250] RIP: 0010:intel_ddi_hotplug+0x11f/0x2e0 [i915]
<4> [306.686254] Code: ff 48 8d 7c 24 10 41 bc f4 ff ff ff e8 ba 5b e0 e0 48 8d 7c 24 10 e8 a0 5d e0 e0 44 89 e6 48 c7 c7 88 b8 8b a0 e8 21 e8 87 e0 <0f> 0b e9 58 ff ff ff 49 8d bc 24 98 05 00 00 48 8d 74 24 10 e8 d8
<4> [306.686257] RSP: 0018:ffffc90000b87d40 EFLAGS: 00010286
<4> [306.686262] RAX: 0000000000000000 RBX: ffff880268dec2a8 RCX: 0000000000000001
<4> [306.686265] RDX: 0000000080000001 RSI: ffffffff820c30ce RDI: 00000000ffffffff
<4> [306.686267] RBP: ffff8802697aae98 R08: 000000005216d197 R09: 0000000000000000
<4> [306.686270] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea
<4> [306.686272] R13: 0000000000000000 R14: ffff8802116db7e8 R15: ffff8802308392a8
<4> [306.686275] FS:  0000000000000000(0000) GS:ffff880277e80000(0000) knlGS:0000000000000000
<4> [306.686278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [306.686281] CR2: 00007fbfb722a4a0 CR3: 0000000269744000 CR4: 0000000000340ee0
<4> [306.686283] Call Trace:
<4> [306.686349]  i915_hotplug_work_func+0x1a9/0x240 [i915]
<4> [306.686361]  process_one_work+0x245/0x610
<4> [306.686372]  worker_thread+0x37/0x380
<4> [306.686380]  ? process_one_work+0x610/0x610
<4> [306.686383]  kthread+0x119/0x130
<4> [306.686387]  ? kthread_park+0x80/0x80
<4> [306.686395]  ret_from_fork+0x24/0x50
<4> [306.686409] irq event stamp: 3532226
<4> [306.686414] hardirqs last  enabled at (3532225): [<ffffffff810f827a>] console_unlock+0x3fa/0x5f0
<4> [306.686419] hardirqs last disabled at (3532226): [<ffffffff81001930>] trace_hardirqs_off_thunk+0x1a/0x1c
<4> [306.686422] softirqs last  enabled at (3531368): [<ffffffff81c0031d>] __do_softirq+0x31d/0x483
<4> [306.686427] softirqs last disabled at (3531361): [<ffffffff8108c539>] irq_exit+0xa9/0xc0
<4> [306.686479] WARNING: CPU: 1 PID: 107 at drivers/gpu/drm/i915/intel_ddi.c:3703 intel_ddi_hotplug+0x11f/0x2e0 [i915]
<4> [306.686482] ---[ end trace 2446ff6c8945ee0b ]---