[Bug 105762] New: [CI] igt at 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

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105762

            Bug ID: 105762
           Summary: [CI]  igt at 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
           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

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_cursor_crc@cursor-256x256-suspend.html

<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 ]---

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