https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_408/fi-kbl-soraka/igt@kms_big_fb@y-tiled-16bpp-rotate-0.html
<4> [605.679962] general protection fault: 0000 [#1] PREEMPT SMP PTI
<4> [605.679989] CPU: 1 PID: 1372 Comm: kms_big_fb Tainted: G     U            5.4.0-rc8-g7b0a3189ead7-drmtip_408+ #1
<4> [605.680001] Hardware name: Google Soraka/Soraka, BIOS MrChromebox-4.10 08/25/2019
<4> [605.680025] RIP: 0010:match_held_lock+0x18/0x160
<7> [605.680395] [drm:intel_power_well_disable [i915]] disabling DC off
<4> [605.680412] Code: 99 48 c7 c7 b8 18 26 99 e8 55 d6 f9 ff 0f 0b 31 c0 c3 48 39 77 10 b8 01 00 00 00 74 52 44 8b 47 24 45 85 c0 74 47 48 83 ec 08 <48> 8b 46 08 48 85 c0 74 7f 8b 15 51 5a a6 02 85 d2 74 34 48 2d 60
<4> [605.680425] RSP: 0018:ffffa702c0a339f0 EFLAGS: 00010086
<7> [605.680779] [drm:skl_enable_dc6 [i915]] Enabling DC6
<4> [605.680788] RAX: 0000000000000001 RBX: ffff981bdc9cd8f8 RCX: 0000000000000001
<4> [605.680808] RDX: 0000000000000000 RSI: 6b6b6b6b6b6b6d53 RDI: ffff981bdc9cd8f8
<4> [605.680819] RBP: ffff981bdc9cd040 R08: 0000000000000002 R09: 0000000000000001
<4> [605.680831] R10: ffffa702c0a33a50 R11: 0000000074ad3681 R12: 6b6b6b6b6b6b6d53
<4> [605.680842] R13: ffff981bdc9cd8d0 R14: 0000000000000001 R15: 0000000000000246
<4> [605.680857] FS:  00007f2765327e40(0000) GS:ffff981bfaa80000(0000) knlGS:0000000000000000
<4> [605.680871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [605.680882] CR2: 0000560a0a602478 CR3: 0000000170332001 CR4: 00000000003606e0
<7> [605.681221] [drm:gen9_set_dc_state [i915]] Setting DC state from 00 to 02
<4> [605.681224] Call Trace:
<4> [605.681252]  lock_is_held_type+0x8b/0x100
<4> [605.681602]  __i915_vma_unbind+0x3f/0x70 [i915]
<4> [605.681941]  i915_vma_unbind+0x2d/0x50 [i915]
<4> [605.682249]  i915_gem_object_set_cache_level+0x81/0x320 [i915]
<4> [605.682554]  i915_gem_object_pin_to_display_plane+0x5d/0x160 [i915]
<4> [605.682930]  intel_pin_and_fence_fb_obj+0x9e/0x200 [i915]
<4> [605.683264]  intel_plane_pin_fb+0x3f/0xd0 [i915]
<4> [605.683595]  intel_prepare_plane_fb+0x130/0x520 [i915]
<4> [605.683614]  ? static_obj+0x34/0x50
<4> [605.683638]  drm_atomic_helper_prepare_planes+0x85/0x110
<4> [605.683963]  intel_atomic_commit+0xc6/0x350 [i915]
<4> [605.683987]  drm_mode_atomic_ioctl+0x847/0x930
<4> [605.684018]  ? drm_atomic_set_property+0x9b0/0x9b0
<4> [605.684060]  drm_ioctl_kernel+0xa7/0xf0
<4> [605.684105]  drm_ioctl+0x2e1/0x390
<4> [605.684137]  ? drm_atomic_set_property+0x9b0/0x9b0
<4> [605.684180]  ? __lock_acquire+0x460/0x15d0
<4> [605.684207]  do_vfs_ioctl+0xa0/0x6f0
<4> [605.684218]  ? find_held_lock+0x2d/0x90
<4> [605.684235]  ? __task_pid_nr_ns+0xbc/0x1f0
<4> [605.684251]  ksys_ioctl+0x35/0x60
<4> [605.684267]  __x64_sys_ioctl+0x11/0x20
<4> [605.684279]  do_syscall_64+0x4f/0x210
<4> [605.684296]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [605.684313] RIP: 0033:0x7f27643825d7
<4> [605.684327] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [605.684339] RSP: 002b:00007ffee24b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [605.684354] RAX: ffffffffffffffda RBX: 0000555f029c51c0 RCX: 00007f27643825d7
<4> [605.684365] RDX: 00007ffee24b6260 RSI: 00000000c03864bc RDI: 0000000000000005
<4> [605.684375] RBP: 00007ffee24b6260 R08: 0000555f02a04b60 R09: 000000000000001f
<4> [605.684386] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c03864bc
<4> [605.684397] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000400
<4> [605.684420] Modules linked in: vgem snd_hda_codec_hdmi x86_pkg_temp_thermal coretemp i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel ax88179_178a usbnet mii btusb btrtl btbcm btintel snd_hda_intel bluetooth snd_intel_dspcfg snd_hda_codec ecdh_generic snd_hwdep ecc snd_hda_core snd_pcm intel_lpss_pci prime_numbers i2c_hid pinctrl_sunrisepoint pinctrl_intel
<4> [605.684513] ---[ end trace 3817cdc1b25bf0b3 ]---