https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7291/shard-glk1/igt@i915_selftest@mock_requests.html
<4> [1712.209068] WARNING: CPU: 0 PID: 0 at kernel/workqueue.c:1415 __queue_work+0x547/0x660
<4> [1712.209071] Modules linked in: i915(+) vgem mei_hdcp x86_pkg_temp_thermal coretemp btusb btrtl btbcm crct10dif_pclmul btintel crc32_pclmul bluetooth ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_codec_realtek ecdh_generic snd_hda_codec_generic ecc r8169 realtek i2c_hid snd_intel_nhlt snd_hda_codec snd_hwdep snd_hda_core pinctrl_geminilake mei_me pinctrl_intel snd_pcm mei prime_numbers [last unloaded: i915]
<4> [1712.209109] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G     U            5.4.0-rc6-CI-CI_DRM_7291+ #1
<4> [1712.209112] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
<4> [1712.209116] RIP: 0010:__queue_work+0x547/0x660
<4> [1712.209120] Code: 00 75 27 65 48 8b 3c 25 00 5f 01 00 f6 47 24 20 74 18 e8 2c 87 00 00 48 85 c0 74 0e 48 8b 40 20 4c 3b 60 08 0f 84 15 fb ff ff <0f> 0b 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b e9 34 fc
<4> [1712.209123] RSP: 0018:ffffc90000003eb0 EFLAGS: 00010006
<4> [1712.209127] RAX: 0000000000000101 RBX: ffff88816aee2008 RCX: 0000000000000000
<4> [1712.209130] RDX: 0000000000000102 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [1712.209133] RBP: ffffc90000003ee8 R08: 0000000000000000 R09: 0000000000000001
<4> [1712.209136] R10: ffffc90000003eb0 R11: 00000000ffd37363 R12: ffff8882722f6e00
<4> [1712.209139] R13: 0000000000000010 R14: 0000000000000010 R15: ffff88816aee2048
<4> [1712.209142] FS:  0000000000000000(0000) GS:ffff888277e00000(0000) knlGS:0000000000000000
<4> [1712.209145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [1712.209148] CR2: 000055f47dfa2950 CR3: 0000000005210000 CR4: 0000000000340ef0
<4> [1712.209151] Call Trace:
<4> [1712.209155]  <IRQ>
<4> [1712.209163]  ? delayed_work_timer_fn+0x10/0x10
<4> [1712.209168]  ? rcu_core+0x420/0x750
<4> [1712.209173]  rcu_work_rcufn+0x1c/0x30
<4> [1712.209177]  rcu_core+0x480/0x750
<4> [1712.209190]  __do_softirq+0xdf/0x47f
<4> [1712.209202]  irq_exit+0xba/0xc0
<4> [1712.209205]  smp_apic_timer_interrupt+0xb7/0x280
<4> [1712.209210]  apic_timer_interrupt+0xf/0x20
<4> [1712.209213]  </IRQ>
<4> [1712.209219] RIP: 0010:cpuidle_enter_state+0xb2/0x450
<4> [1712.209223] Code: 00 31 ff e8 00 44 90 ff 80 7c 24 0b 00 74 12 9c 58 f6 c4 02 0f 85 6e 03 00 00 31 ff e8 47 14 97 ff e8 52 2a 9b ff fb 45 85 ed <0f> 88 37 03 00 00 4c 2b 24 24 48 ba cf f7 53 e3 a5 9b c4 20 49 63
<4> [1712.209226] RSP: 0018:ffffffff82203e58 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
<4> [1712.209230] RAX: ffffffff82217800 RBX: ffffffff8229d8c0 RCX: 0000000000000000
<4> [1712.209232] RDX: 0000000000000046 RSI: 0000000000000006 RDI: ffffffff8213c161
<4> [1712.209235] RBP: ffffe8ffffc1c610 R08: 0000000000000000 R09: 0000000000000000
<4> [1712.209238] R10: 0000000000000000 R11: 0000000000000000 R12: 0000018ea79a5d16
<4> [1712.209241] R13: 0000000000000004 R14: 0000000000000004 R15: 00000000608bdc93
<4> [1712.209256]  ? cpuidle_enter_state+0xae/0x450
<4> [1712.209263]  cpuidle_enter+0x24/0x40
<4> [1712.209273]  do_idle+0x1e7/0x250
<4> [1712.209281]  cpu_startup_entry+0x14/0x20
<4> [1712.209288]  start_kernel+0x4d2/0x4f4
<4> [1712.209297]  secondary_startup_64+0xa4/0xb0
<4> [1712.209312] irq event stamp: 31510783
<4> [1712.209318] hardirqs last  enabled at (31510782): [<ffffffff819e522c>] _raw_spin_unlock_irqrestore+0x4c/0x60
<4> [1712.209322] hardirqs last disabled at (31510783): [<ffffffff810d4c5a>] rcu_work_rcufn+0xa/0x30
<4> [1712.209326] softirqs last  enabled at (31510724): [<ffffffff810b7ee8>] irq_enter+0x58/0x60
<4> [1712.209329] softirqs last disabled at (31510725): [<ffffffff810b7faa>] irq_exit+0xba/0xc0
<4> [1712.209332] ---[ end trace 4545a9fa503fafd3 ]---