[Bug 102617] New: [CI][SNB] pipe A vblank wait timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102617

            Bug ID: 102617
           Summary: [CI][SNB] pipe A vblank wait timed out
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On CI_DRM_3059, the machine shard-snb hit the following warning when running
igt at kms_cursor_crc@cursor-256x256-onscreen:

[  172.689706] ------------[ cut here ]------------
[  172.689750] WARNING: CPU: 6 PID: 1662 at
drivers/gpu/drm/i915/intel_display.c:12179 intel_atomic_commit_tail+0xf1d/0xf40
[i915]
[  172.689752] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
snd_hda_intel crct10dif_pclmul snd_hda_codec crc32_pclmul snd_hwdep
snd_hda_core ghash_clmulni_intel broadcom bcm_phy_lib tg3 ptp pps_core snd_pcm
mei_me prime_numbers lpc_ich mei
[  172.689802] CPU: 6 PID: 1662 Comm: kms_cursor_crc Tainted: G     U  W      
4.13.0-CI-CI_DRM_3059+ #1
[  172.689804] Hardware name: Dell Inc. XPS 8300  /0Y2MRG, BIOS A06 10/17/2011
[  172.689807] task: ffff88021d4c8040 task.stack: ffffc900007a8000
[  172.689832] RIP: 0010:intel_atomic_commit_tail+0xf1d/0xf40 [i915]
[  172.689834] RSP: 0018:ffffc900007ab930 EFLAGS: 00010286
[  172.689838] RAX: 000000000000001c RBX: 0000000000000000 RCX:
0000000000000001
[  172.689840] RDX: 0000000080000001 RSI: ffffffff81d021ff RDI:
00000000ffffffff
[  172.689842] RBP: ffffc900007ab9e0 R08: ffff88021d4c8930 R09:
0000000000000000
[  172.689844] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88021e110000
[  172.689846] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000001
[  172.689849] FS:  00007f420f216a40(0000) GS:ffff88022fb80000(0000)
knlGS:0000000000000000
[  172.689851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  172.689853] CR2: 00005569024d3000 CR3: 000000021e03d000 CR4:
00000000000406e0
[  172.689855] Call Trace:
[  172.689863]  ? wait_woken+0x90/0x90
[  172.689888]  intel_atomic_commit+0x1bd/0x280 [i915]
[  172.689894]  drm_atomic_commit+0x4b/0x50
[  172.689898]  drm_atomic_helper_update_plane+0xe3/0x100
[  172.689922]  intel_legacy_cursor_update+0x5b/0x5b0 [i915]
[  172.689947]  ? intel_user_framebuffer_create+0x142/0x220 [i915]
[  172.689951]  __setplane_internal+0x18d/0x250
[  172.689956]  ? drm_internal_framebuffer_create+0x358/0x500
[  172.689960]  drm_mode_cursor_universal+0xe4/0x1a0
[  172.690001]  drm_mode_cursor_common+0x16d/0x1f0
[  172.690012]  ? drm_mode_setplane+0x140/0x140
[  172.690016]  drm_mode_cursor_ioctl+0x41/0x50
[  172.690022]  drm_ioctl_kernel+0x69/0xb0
[  172.690033]  drm_ioctl+0x2f9/0x3d0
[  172.690039]  ? drm_mode_setplane+0x140/0x140
[  172.690053]  ? __do_page_fault+0x2a4/0x570
[  172.690062]  do_vfs_ioctl+0x94/0x670
[  172.690069]  ? entry_SYSCALL_64_fastpath+0x5/0xb1
[  172.690077]  ? __this_cpu_preempt_check+0x13/0x20
[  172.690084]  ? trace_hardirqs_on_caller+0xe3/0x1b0
[  172.690092]  SyS_ioctl+0x41/0x70
[  172.690100]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[  172.690105] RIP: 0033:0x7f420d417587
[  172.690110] RSP: 002b:00007ffc5e13bb38 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  172.690119] RAX: ffffffffffffffda RBX: ffffffff8148a713 RCX:
00007f420d417587
[  172.690123] RDX: 00007ffc5e13bb70 RSI: 00000000c01c64a3 RDI:
0000000000000003
[  172.690127] RBP: ffffc900007abf88 R08: 0000000000000100 R09:
0000000000000000
[  172.690131] R10: 0000000000000064 R11: 0000000000000246 R12:
000055690245c7e0
[  172.690134] R13: 0000000000000003 R14: 00000000c01c64a3 R15:
000055690245cb20
[  172.690141]  ? __this_cpu_preempt_check+0x13/0x20
[  172.690150] Code: ff ff ff 48 83 c7 08 e8 62 19 e9 e0 4c 8b 85 78 ff ff ff
4d 85 c0 0f 85 d3 fd ff ff 8d 73 41 48 c7 c7 88 dc 2e a0 e8 14 5f eb e0 <0f> ff
e9 bd fd ff ff 8d 70 41 48 c7 c7 58 dc 2e a0 e8 fe 5e eb 
[  172.690355] ---[ end trace 3d0640f9469469d1 ]---

Full logs:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3059/shard-snb5/igt@kms_cursor_crc@cursor-256x256-onscreen.html

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