https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6876/fi-byt-clapper/igt@runner@aborted.html

WARN_ON(!queue_delayed_work(system_unbound_wq, &power_domains->async_put_work, msecs_to_jiffies(100)))
<4>[   10.893943] WARNING: CPU: 1 PID: 155 at drivers/gpu/drm/i915/display/intel_display_power.c:1935 queue_async_put_domains_work+0x65/0x70 [i915]
<4>[   10.893950] Modules linked in: i915 coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel cdc_ether usbnet r8152 mii lpc_ich i2c_designware_pci prime_numbers btusb btrtl btbcm btintel bluetooth ecdh_generic ecc
<4>[   10.893988] CPU: 1 PID: 155 Comm: kworker/1:2 Not tainted 5.3.0-rc8-CI-CI_DRM_6876+ #1
<4>[   10.893994] Hardware name: GOOGLE Clapper/Clapper, BIOS MrChromebox 02/04/2018
<4>[   10.894006] Workqueue: events output_poll_execute
<4>[   10.894120] RIP: 0010:queue_async_put_domains_work+0x65/0x70 [i915]
<4>[   10.894128] Code: 48 c7 c6 40 7c 32 a0 48 c7 c7 57 93 34 a0 e8 f2 58 e6 e0 0f 0b eb bf 48 c7 c6 70 7c 32 a0 48 c7 c7 57 93 34 a0 e8 db 58 e6 e0 <0f> 0b 5b 5d c3 66 0f 1f 44 00 00 b9 1b 00 00 00 ba 01 00 00 00 6a
<4>[   10.894135] RSP: 0018:ffffc90000a0fb48 EFLAGS: 00010282
<4>[   10.894143] RAX: 0000000000000000 RBX: ffff88806995b118 RCX: 0000000000000001
<4>[   10.894150] RDX: 00000000000017d9 RSI: ffff8880757b5660 RDI: ffffffff82136da1
<4>[   10.894156] RBP: 00000000db200000 R08: ffff8880757b5660 R09: 0000000000000000
<4>[   10.894162] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806995b128
<4>[   10.894169] R13: 00000000db200000 R14: ffff88806995b118 R15: 0000000000000000
<4>[   10.894176] FS:  0000000000000000(0000) GS:ffff888077900000(0000) knlGS:0000000000000000
<4>[   10.894182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   10.894189] CR2: 00005634d0043390 CR3: 0000000069386000 CR4: 00000000001006e0
<4>[   10.894195] Call Trace:
<4>[   10.894309]  __intel_display_power_put_async+0xca/0x100 [i915]
<4>[   10.894417]  intel_digital_port_connected+0x18a/0x420 [i915]
<4>[   10.894523]  intel_dp_detect+0x267/0x4f0 [i915]
<4>[   10.894546]  drm_helper_probe_single_connector_modes+0xd2/0x700
<4>[   10.894593]  drm_client_modeset_probe+0x257/0xae0
<4>[   10.894618]  ? drm_dbg+0x7f/0x90
<4>[   10.894646]  drm_fb_helper_hotplug_event.part.13+0x95/0xc0
<4>[   10.894657]  drm_kms_helper_hotplug_event+0x21/0x30
<4>[   10.894667]  output_poll_execute+0x17a/0x1b0
<4>[   10.894689]  process_one_work+0x245/0x610
<4>[   10.894716]  worker_thread+0x1fb/0x380
<4>[   10.894732]  ? process_one_work+0x610/0x610
<4>[   10.894740]  kthread+0x119/0x130
<4>[   10.894749]  ? kthread_park+0xa0/0xa0
<4>[   10.894764]  ret_from_fork+0x3a/0x50
<4>[   10.894801] irq event stamp: 23176
<4>[   10.894809] hardirqs last  enabled at (23175): [<ffffffff8112d24c>] vprintk_emit+0xcc/0x340
<4>[   10.894818] hardirqs last disabled at (23176): [<ffffffff81001a8a>] trace_hardirqs_off_thunk+0x1a/0x20
<4>[   10.894826] softirqs last  enabled at (23102): [<ffffffff81c0033e>] __do_softirq+0x33e/0x4ae
<4>[   10.894835] softirqs last disabled at (23089): [<ffffffff810b8279>] irq_exit+0xa9/0xc0
<4>[   10.894951] WARNING: CPU: 1 PID: 155 at drivers/gpu/drm/i915/display/intel_display_power.c:1935 queue_async_put_domains_work+0x65/0x70 [i915]