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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP][CFL]igt@kms_vblank@pipe-c-wait-forked-busy - dmesg-warn - vblank wait timed out on crtc 1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108899">108899</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI][DRMTIP][CFL]igt@kms_vblank@pipe-c-wait-forked-busy - dmesg-warn - vblank wait timed out on crtc 1
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>lakshminarayana.vudum@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_150/fi-cfl-8109u/igt@kms_vblank@pipe-c-wait-forked-busy.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_150/fi-cfl-8109u/igt@kms_vblank@pipe-c-wait-forked-busy.html</a>
------------[ cut here ]------------
<4> [108.545061] vblank wait timed out on crtc 1
<4> [108.546028] WARNING: CPU: 3 PID: 1166 at drivers/gpu/drm/drm_vblank.c:1084
drm_wait_one_vblank+0x19b/0x1b0
<4> [108.546028] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp snd_hda_intel
crct10dif_pclmul snd_hda_codec crc32_pclmul snd_hwdep snd_hda_core
ghash_clmulni_intel btusb btrtl btbcm btintel bluetooth snd_pcm e1000e mei_me
mei i2c_i801 ecdh_generic prime_numbers
<4> [108.546028] CPU: 3 PID: 1166 Comm: kms_vblank Tainted: G U
4.20.0-rc4-ge556a1602bef-drmtip_150+ #1
<4> [108.546028] Hardware name: Intel Corporation NUC8i3BEH/NUC8BEB, BIOS
BECFL357.86A.0037.2018.0614.2204 06/14/2018
<4> [108.546028] RIP: 0010:drm_wait_one_vblank+0x19b/0x1b0
<4> [108.546028] Code: fe ff ff e8 47 fc a5 ff 48 89 e6 4c 89 ff e8 1c 0d ab ff
45 85 ed 0f 85 15 ff ff ff 89 ee 48 c7 c7 b0 3e 0d 90 e8 45 f9 a5 ff <0f> 0b e9
00 ff ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 8b
<4> [108.546028] RSP: 0018:ffffa73940a1ba20 EFLAGS: 00010282
<4> [108.546028] RAX: 0000000000000000 RBX: ffffa15f998c0000 RCX:
0000000000000000
<4> [108.546028] RDX: 0000000000000000 RSI: ffffffff900ff0c2 RDI:
00000000ffffffff
<4> [108.546028] RBP: 0000000000000001 R08: 00000000f2a06360 R09:
0000000000000000
<4> [108.546028] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000218
<4> [108.546028] R13: 0000000000000000 R14: 00000000000010e6 R15:
ffffa15fa476a768
<4> [108.546028] FS: 00007fcb7513c980(0000) GS:ffffa15fb5b80000(0000)
knlGS:0000000000000000
<4> [108.546028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [108.546028] CR2: 00007f918b994788 CR3: 00000002a61a6004 CR4:
00000000003606e0
<4> [108.546028] Call Trace:
<4> [108.546028] ? wait_woken+0xa0/0xa0
<4> [108.546028] skl_update_crtcs+0x1df/0x2b0 [i915]
<4> [108.546028] intel_atomic_commit_tail+0x1e3/0xd20 [i915]
<4> [108.546028] intel_atomic_commit+0x244/0x330 [i915]
<4> [108.546028] drm_atomic_helper_set_config+0x7b/0x90
<4> [108.546028] drm_mode_setcrtc+0x195/0x6b0
<4> [108.546028] ? drm_mode_getcrtc+0x180/0x180
<4> [108.546028] drm_ioctl_kernel+0x81/0xf0
<4> [108.546028] drm_ioctl+0x2de/0x390
<4> [108.546028] ? drm_mode_getcrtc+0x180/0x180
<4> [108.546028] ? lockdep_hardirqs_on+0xe0/0x1b0
<4> [108.546028] do_vfs_ioctl+0xa0/0x6e0
<4> [108.546028] ? lock_acquire+0xa6/0x1c0
<4> [108.546028] ? __task_pid_nr_ns+0xb9/0x1f0
<4> [108.546028] ksys_ioctl+0x35/0x60
<4> [108.546028] __x64_sys_ioctl+0x11/0x20
<4> [108.546028] do_syscall_64+0x55/0x190
<4> [108.546028] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [108.546028] RIP: 0033:0x7fcb743c65d7
<4> [108.546028] 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> [108.546028] RSP: 002b:00007ffc6fdbcda8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [108.546028] RAX: ffffffffffffffda RBX: 00007ffc6fdbcde0 RCX:
00007fcb743c65d7
<4> [108.546028] RDX: 00007ffc6fdbcde0 RSI: 00000000c06864a2 RDI:
0000000000000005
<4> [108.546028] RBP: 00007ffc6fdbcde0 R08: 0000000000000000 R09:
0000000000000000
<4> [108.546028] R10: 0000000000000000 R11: 0000000000000246 R12:
00000000c06864a2
<4> [108.546028] R13: 0000000000000005 R14: 0000000000000000 R15:
0000000000000000
<4> [108.546028] irq event stamp: 62734
<4> [108.546028] hardirqs last enabled at (62733): [<ffffffff8f0fef59>]
console_unlock+0x3f9/0x5f0
<4> [108.546028] hardirqs last disabled at (62734): [<ffffffff8f0019b0>]
trace_hardirqs_off_thunk+0x1a/0x1c
<4> [108.546028] softirqs last enabled at (61870): [<ffffffff8fc0033a>]
__do_softirq+0x33a/0x4b9
<4> [108.546028] softirqs last disabled at (61843): [<ffffffff8f0929f9>]
irq_exit+0xa9/0xc0
<4> [108.546028] WARNING: CPU: 3 PID: 1166 at drivers/gpu/drm/drm_vblank.c:1084
drm_wait_one_vblank+0x19b/0x1b0
<4> [108.546028] ---[ end trace 0307bb3e77efbaaa ]---</pre>
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