[Bug 103293] [CI] igt at kms_* - dmesg-warn - *ERROR* Timed out waiting for DP idle patterns - vblank not available on crtc 0, ret=-22

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103293

--- Comment #5 from Marta Löfstedt <marta.lofstedt at intel.com> ---
Also on APL-shards CI_DRM_3292
igt at kms_busy@extended-modeset-hang-oldfb-render-B


<4>[  744.804104] vblank not available on crtc 1, ret=-22
<4>[  744.804135] ------------[ cut here ]------------
<4>[  744.804147] WARNING: CPU: 0 PID: 74 at drivers/gpu/drm/drm_vblank.c:1063
drm_wait_one_vblank+0x160/0x1b0
<4>[  744.804152] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
lpc_ich snd_hwdep snd_hda_core r8169 snd_pcm mii mei_me mei prime_numbers
pinctrl_broxton pinctrl_intel
<4>[  744.804266] CPU: 0 PID: 74 Comm: kworker/u8:1 Tainted: G     U         
4.14.0-rc6-CI-CI_DRM_3292+ #1
<4>[  744.804271] Hardware name:                  /NUC6CAYB, BIOS
AYAPLCEL.86A.0040.2017.0619.1722 06/19/2017
<4>[  744.804334] Workqueue: i915-dp i915_digport_work_func [i915]
<4>[  744.804345] task: ffff880274100040 task.stack: ffffc90000478000
<4>[  744.804353] RIP: 0010:drm_wait_one_vblank+0x160/0x1b0
<4>[  744.804358] RSP: 0018:ffffc9000047bd18 EFLAGS: 00010296
<4>[  744.804368] RAX: 0000000000000027 RBX: ffff880266e90000 RCX:
0000000000000001
<4>[  744.804373] RDX: 0000000080000001 RSI: ffffffff81cb4c2b RDI:
00000000ffffffff
<4>[  744.804378] RBP: ffffc9000047bd70 R08: ffff880274100950 R09:
0000000000000000
<4>[  744.804383] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88026506b7e8
<4>[  744.804388] R13: 0000000000000001 R14: 0000000000000210 R15:
ffff88026b10a320
<4>[  744.804394] FS:  0000000000000000(0000) GS:ffff88027fc00000(0000)
knlGS:0000000000000000
<4>[  744.804399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  744.804404] CR2: 00007ff23de52010 CR3: 000000026e8f2000 CR4:
00000000003406f0
<4>[  744.804409] Call Trace:
<4>[  744.804419]  ? drm_dp_dpcd_write+0x1b/0x20
<4>[  744.804476]  ? intel_dp_set_link_train+0x49/0xf0 [i915]
<4>[  744.804535]  intel_dp_check_link_status+0x125/0x1a0 [i915]
<4>[  744.804593]  intel_dp_hpd_pulse+0x166/0x2f0 [i915]
<4>[  744.804712]  i915_digport_work_func+0x8f/0x100 [i915]
<4>[  744.804729]  process_one_work+0x221/0x650
<4>[  744.804746]  worker_thread+0x4e/0x3b0
<4>[  744.804762]  kthread+0x114/0x150
<4>[  744.804769]  ? process_one_work+0x650/0x650
<4>[  744.804778]  ? kthread_create_on_node+0x40/0x40
<4>[  744.804790]  ret_from_fork+0x27/0x40
<4>[  744.804806] Code: c4 eb 9e 0f ff 31 c0 eb c3 0f ff 48 83 c4 30 5b 41 5c
41 5d 41 5e 41 5f 5d c3 89 c2 44 89 ee 48 c7 c7 80 79 ce 81 e8 11 6f ae ff <0f>
ff e9 46 ff ff ff 0f ff 45 31 ff e9 fc fe ff ff 0f ff 31 c0 
<4>[  744.805111] ---[ end trace f3becc8703561c3d ]---
<3>[  744.805718] [drm:intel_dp_set_idle_link_train [i915]] *ERROR* Timed out
waiting for DP idle patterns

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3292/shard-apl2/igt@kms_busy@extended-modeset-hang-oldfb-render-B.html

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