[Bug 103293] New: [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

            Bug ID: 103293
           Summary: [CI] igt at kms_* - dmesg-warn - *ERROR* Timed out
                    waiting for DP idle patterns - vblank not available on
                    crtc 0, ret=-22
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: marta.lofstedt at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

CI_DRM_3239 KBL-shards dmesg-warn
igt at kms_cursor_legacy@long-nonblocking-modeset-vs-cursor-atomic:

[  182.494228] [drm:intel_dp_set_idle_link_train [i915]] *ERROR* Timed out
waiting for DP idle patterns
[  182.597127] [drm:intel_dp_set_idle_link_train [i915]] *ERROR* Timed out
waiting for DP idle patterns
[  182.706771] [drm:intel_dp_set_idle_link_train [i915]] *ERROR* Timed out
waiting for DP idle patterns
[  182.816977] [drm:intel_dp_set_idle_link_train [i915]] *ERROR* Timed out
waiting for DP idle patterns
[  183.535438] vblank not available on crtc 0, ret=-22
[  183.535469] ------------[ cut here ]------------
[  183.535485] WARNING: CPU: 1 PID: 5 at drivers/gpu/drm/drm_vblank.c:1042
drm_wait_one_vblank+0x157/0x1a0
[  183.535494] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core
x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
snd_pcm ghash_clmulni_intel e1000e ptp pps_core mei_me mei prime_numbers
pinctrl_sunrisepoint i2c_hid pinctrl_intel
[  183.535718] CPU: 1 PID: 5 Comm: kworker/u8:0 Tainted: G     U         
4.14.0-rc4-CI-CI_DRM_3239+ #1
[  183.535728] Hardware name:                  /NUC7i5BNB, BIOS
BNKBL357.86A.0048.2017.0704.1415 07/04/2017
[  183.535800] Workqueue: i915-dp i915_digport_work_func [i915]
[  183.535819] task: ffff8802752dd440 task.stack: ffffc9000006c000
[  183.535832] RIP: 0010:drm_wait_one_vblank+0x157/0x1a0
[  183.535842] RSP: 0018:ffffc9000006fd10 EFLAGS: 00010282
[  183.535860] RAX: 0000000000000027 RBX: ffff880268c50000 RCX:
0000000000000001
[  183.535869] RDX: 0000000080000001 RSI: ffffffff81d18fe7 RDI:
00000000ffffffff
[  183.535879] RBP: ffffc9000006fd68 R08: ffff8802752ddd78 R09:
0000000000000000
[  183.535888] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000000
[  183.535897] R13: 0000000000000000 R14: ffff88026961a548 R15:
ffff8802696a4470
[  183.535907] FS:  0000000000000000(0000) GS:ffff88027ec80000(0000)
knlGS:0000000000000000
[  183.535917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  183.535926] CR2: 00007efc95e30000 CR3: 000000027282d005 CR4:
00000000003606e0
[  183.537813] Call Trace:
[  183.537839]  ? drm_dp_dpcd_write+0x1b/0x20
[  183.537941]  ? intel_dp_set_link_train+0x49/0xf0 [i915]
[  183.538029]  intel_dp_check_link_status+0x125/0x1a0 [i915]
[  183.538201]  intel_dp_hpd_pulse+0x166/0x2f0 [i915]
[  183.538307]  i915_digport_work_func+0x8f/0x100 [i915]
[  183.538337]  process_one_work+0x233/0x660
[  183.538371]  worker_thread+0x4e/0x3b0
[  183.538401]  kthread+0x152/0x190
[  183.538421]  ? process_one_work+0x660/0x660
[  183.538549]  ? kthread_create_on_node+0x40/0x40
[  183.538569]  ? kthread_create_on_node+0x40/0x40
[  183.538590]  ret_from_fork+0x27/0x40
[  183.538627] Code: c6 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 e6 48 c7 c7 88 74 ce 81 e8 ea 5e ae ff <0f> ff
e9 46 ff ff ff 0f ff 45 31 ff e9 fc fe ff ff 0f ff 31 c0 
[  183.539776] ---[ end trace 095b222339f007d6 ]---

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3239/shard-kbl5/igt@kms_cursor_legacy@long-nonblocking-modeset-vs-cursor-atomic.html

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