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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] igt@kms_*@*suspend* - dmesg-warn - Delta way too big! 18446743856563626466 ts=18446744054496180323 write stamp = 197932553857 - WARNING: CPU: 0 PID: 1596 at kernel/trace/ring_buffer.c:2640 rb_handle_timestamp.isra.33+0x6c/0x70"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105762">105762</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI] igt@kms_*@*suspend* - dmesg-warn - Delta way too big! 18446743856563626466 ts=18446744054496180323 write stamp = 197932553857 - WARNING: CPU: 0 PID: 1596 at kernel/trace/ring_buffer.c:2640 rb_handle_timestamp.isra.33+0x6c/0x70
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI 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>marta.lofstedt@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_7/fi-cfl-s3/igt@kms_vblank@pipe-c-ts-continuation-dpms-suspend.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_7/fi-cfl-s3/igt@kms_vblank@pipe-c-ts-continuation-dpms-suspend.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_7/fi-cfl-s3/igt@kms_cursor_crc@cursor-256x256-suspend.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_7/fi-cfl-s3/igt@kms_cursor_crc@cursor-256x256-suspend.html</a>
<4>[ 364.610611] Delta way too big! 18446743856563626466
ts=18446744054496180323 write stamp = 197932553857
If you just came from a suspend/resume,
please switch to the trace global clock:
echo global > /sys/kernel/debug/tracing/trace_clock
<4>[ 364.610617] WARNING: CPU: 0 PID: 1596 at kernel/trace/ring_buffer.c:2640
rb_handle_timestamp.isra.33+0x6c/0x70
<4>[ 364.610618] Modules linked in: vgem i915 cdc_ether usbnet
x86_pkg_temp_thermal r8152 intel_powerclamp mii coretemp crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel prime_numbers e1000e mei_me mei
<4>[ 364.610634] CPU: 0 PID: 1596 Comm: kworker/u24:11 Tainted: G U
4.16.0-rc6-g94f5d9189e61-drmtip_7+ #1
<4>[ 364.610634] Hardware name: Intel Corporation CoffeeLake Client
Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X118.B19.1802080131
02/08/2018
<4>[ 364.610637] Workqueue: events_unbound async_run_entry_fn
<4>[ 364.610639] RIP: 0010:rb_handle_timestamp.isra.33+0x6c/0x70
<4>[ 364.610640] RSP: 0018:ffffaaaf00de3c40 EFLAGS: 00010286
<4>[ 364.610642] RAX: 00000000000000e1 RBX: ffffaaaf00de3c58 RCX:
0000000000000003
<4>[ 364.610643] RDX: 0000000080000003 RSI: ffffffffa50eaa49 RDI:
00000000ffffffff
<4>[ 364.610644] RBP: ffff91f31b42fb08 R08: 0000000008db1ed0 R09:
0000000000000000
<4>[ 364.610645] R10: ffffaaaf00de3c50 R11: 0000000000000000 R12:
ffff91f31b42fb28
<4>[ 364.610646] R13: 00000000000003e8 R14: ffffcaaeffa08e6c R15:
0000000000000001
<4>[ 364.610647] FS: 0000000000000000(0000) GS:ffff91f31d200000(0000)
knlGS:0000000000000000
<4>[ 364.610648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 364.610649] CR2: 000055e6ac6130f6 CR3: 00000002e6210002 CR4:
00000000003606f0
<4>[ 364.610650] Call Trace:
<4>[ 364.610652] ring_buffer_lock_reserve+0x1a4/0x370
<4>[ 364.610673] ? intel_gpu_reset+0x17d/0x200 [i915]
<4>[ 364.610676] trace_vbprintk+0xb4/0x220
<4>[ 364.610678] ? sched_clock_local+0x12/0x80
<4>[ 364.610697] ? gen6_reset_engines+0x90/0x90 [i915]
<4>[ 364.610700] __trace_bprintk+0x4a/0x60
<4>[ 364.610720] intel_gpu_reset+0x198/0x200 [i915]
<4>[ 364.610739] ? gen6_reset_engines+0x90/0x90 [i915]
<4>[ 364.610752] ? vlv_resume_prepare+0x670/0x670 [i915]
<4>[ 364.610768] i915_gem_sanitize+0x36/0x80 [i915]
<4>[ 364.610782] i915_pm_resume_early+0xba/0x150 [i915]
<4>[ 364.610785] dpm_run_callback+0x5d/0x2f0
<4>[ 364.610787] device_resume_early+0x86/0xc0
<4>[ 364.610790] async_resume_early+0x14/0x40
<4>[ 364.610791] async_run_entry_fn+0x34/0x160
<4>[ 364.610794] process_one_work+0x224/0x680
<4>[ 364.610797] worker_thread+0x35/0x380
<4>[ 364.610800] ? process_one_work+0x680/0x680
<4>[ 364.610801] kthread+0x119/0x130
<4>[ 364.610803] ? _kthread_create_on_node+0x30/0x30
<4>[ 364.610807] ret_from_fork+0x3a/0x50
<4>[ 364.610811] Code: 24 48 8b 73 08 85 c0 48 8b 13 48 c7 c0 b8 b0 06 a5 49
c7 c0 ae 6c 07 a5 4c 0f 44 c0 48 8b 0f 48 c7 c7 40 b1 06 a5 e8 34 85 f3 ff <0f>
0b eb a8 41 55 41 54 55 53 48 83 ec 28 65 ff 05 2f ca ec 5b
<4>[ 364.610862] WARNING: CPU: 0 PID: 1596 at kernel/trace/ring_buffer.c:2640
rb_handle_timestamp.isra.33+0x6c/0x70
<4>[ 364.610863] ---[ end trace 855bffddab9ab224 ]---</pre>
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