[Bug 102037] [KBL][IGT] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:539!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102037

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
Ah, we did go to sleep too early:

<3>[   24.870045] [drm:i915_gem_idle_work_handler [i915]] *ERROR* Timeout
waiting for engines to idle

<4>[   33.335633] WARN_ON(!intel_engines_are_idle(dev_priv))
<4>[   33.335678] ------------[ cut here ]------------
<4>[   33.335772] WARNING: CPU: 1 PID: 1316 at
drivers/gpu/drm/i915/i915_gem.c:4573 i915_gem_suspend+0x112/0x130 [i915]
<4>[   33.335774] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel e1000e
snd_hda_codec ptp snd_hwdep snd_hda_core pps_core snd_pcm mei_me mei
prime_numbers pinctrl_sunrisepoint pinctrl_intel i2c_hid
<4>[   33.335842] CPU: 1 PID: 1316 Comm: kworker/u8:31 Tainted: G        W     
 4.13.0-rc3-CI-CI_DRM_2919+ #1
<4>[   33.335846] Hardware name:                  /NUC7i5BNB, BIOS
BNKBL357.86A.0048.2017.0704.1415 07/04/2017
<4>[   33.335856] Workqueue: events_unbound async_run_entry_fn
<4>[   33.335863] task: ffff88026f16a840 task.stack: ffffc90001ddc000
<4>[   33.335951] RIP: 0010:i915_gem_suspend+0x112/0x130 [i915]
<4>[   33.335955] RSP: 0018:ffffc90001ddfc80 EFLAGS: 00010282
<4>[   33.335962] RAX: 000000000000002a RBX: ffff88026cc30000 RCX:
0000000000000000
<4>[   33.335966] RDX: 0000000080000001 RSI: 0000000000000001 RDI:
ffffffff810ebd71
<4>[   33.335969] RBP: ffffc90001ddfc98 R08: 0000000000000001 R09:
0000000000000000
<4>[   33.335972] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000000
<4>[   33.335976] R13: ffff88026cc380b8 R14: 0000000000000000 R15:
ffffffff81ccf32f
<4>[   33.335981] FS:  0000000000000000(0000) GS:ffff88027ec80000(0000)
knlGS:0000000000000000
<4>[   33.335985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   33.335989] CR2: 00007f140af8db04 CR3: 0000000003e0f000 CR4:
00000000003406e0
<4>[   33.335992] Call Trace:
<4>[   33.336066]  i915_pm_suspend+0x81/0x1a0 [i915]
<4>[   33.336077]  pci_pm_suspend+0x73/0x140
<4>[   33.336087]  dpm_run_callback+0x6a/0x310
<4>[   33.336094]  ? pci_pm_resume+0x90/0x90
<4>[   33.336102]  __device_suspend+0xfd/0x380
<4>[   33.336108]  ? check_preempt_curr+0x87/0xb0
<4>[   33.336116]  ? dpm_watchdog_set+0x60/0x60
<4>[   33.336126]  async_suspend+0x1a/0x90
<4>[   33.336134]  async_run_entry_fn+0x33/0x160
<4>[   33.336142]  process_one_work+0x21f/0x630
<4>[   33.336152]  worker_thread+0x49/0x3b0
<4>[   33.336161]  kthread+0x10f/0x150
<4>[   33.336167]  ? process_one_work+0x630/0x630
<4>[   33.336172]  ? kthread_create_on_node+0x40/0x40
<4>[   33.336180]  ret_from_fork+0x27/0x40
<4>[   33.336190] Code: 74 16 48 89 df e8 cf fe ff ff e9 59 ff ff ff 48 83 7a
08 00 74 8b 0f 0b 48 c7 c6 68 a1 2a a0 48 c7 c7 df 7b 29 a0 e8 da 36 f3 e0 <0f>
ff eb d3 48 c7 c6 9c 7c 29 a0 48 c7 c7 df 7b 29 a0 e8 c3 36
<4>[   33.336341] ---[ end trace e6fc4c5de8ebe67a ]---

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