[Bug 105762] [CI][CFL only] 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

Marta Löfstedt <marta.lofstedt at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      i915 platform|                            |GLK

--- Comment #11 from Marta Löfstedt <marta.lofstedt at intel.com> ---
Also, on GLK NUC shards

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4050/shard-glk2/igt@kms_vblank@pipe-c-ts-continuation-dpms-suspend.html

[  441.435413]  cache: parent cpu1 should not be sleeping
[  441.492889] ------------[ cut here ]------------
[  441.492896] Delta way too big! 18446743614755384942 ts=18446744055966652910
write stamp = 441211267968
               If you just came from a suspend/resume,
               please switch to the trace global clock:
                 echo global > /sys/kernel/debug/tracing/trace_clock
               or add trace_clock=global to the kernel command line
[  441.492919] WARNING: CPU: 1 PID: 1498 at kernel/trace/ring_buffer.c:2641
rb_handle_timestamp.isra.31+0x6c/0x70
[  441.492924] Modules linked in: vgem btusb btrtl btbcm btintel
x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
bluetooth ghash_clmulni_intel ecdh_generic snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic r8169 mii i915 i2c_hid
snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm pinctrl_geminilake
pinctrl_intel mei_me prime_numbers mei
[  441.493066] CPU: 1 PID: 1498 Comm: kworker/u8:17 Tainted: G     U          
4.16.0-rc7-CI-CI_DRM_4050+ #1
[  441.493071] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS
JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018
[  441.493079] Workqueue: events_unbound async_run_entry_fn
[  441.493090] RIP: 0010:rb_handle_timestamp.isra.31+0x6c/0x70
[  441.493095] RSP: 0000:ffffc9000075fc00 EFLAGS: 00010286
[  441.493104] RAX: 0000000000000000 RBX: ffffc9000075fc18 RCX:
0000000000000003
[  441.493109] RDX: 0000000080000003 RSI: ffffffff820b3117 RDI:
00000000ffffffff
[  441.493114] RBP: ffff880276f67068 R08: ffff8801f24f5720 R09:
0000000025a6c509
[  441.493118] R10: ffffc9000075fd28 R11: 0000000000000000 R12:
ffff880276f67088
[  441.493123] R13: 00000000000003e8 R14: ffffe8ffffc8a11c R15:
0000000000000001
[  441.493128] FS:  0000000000000000(0000) GS:ffff88027fc80000(0000)
knlGS:0000000000000000
[  441.493134] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  441.493138] CR2: 0000000000000000 CR3: 000000024131a000 CR4:
0000000000340ee0
[  441.493143] Call Trace:
[  441.493155]  ring_buffer_lock_reserve+0x227/0x3a0
[  441.493262]  ? intel_gpu_reset+0x170/0x210 [i915]
[  441.493262]  trace_vbprintk+0xba/0x240
[  441.493262]  ? gen6_reset_engines+0xc0/0xc0 [i915]
[  441.493262]  __trace_bprintk+0x57/0x80
[  441.493262]  intel_gpu_reset+0x189/0x210 [i915]
[  441.493262]  ? gen6_reset_engines+0xc0/0xc0 [i915]
[  441.493262]  ? i915_pm_thaw_early+0x10/0x10 [i915]
[  441.493262]  i915_gem_sanitize+0x36/0x80 [i915]
[  441.493262]  i915_pm_restore_early+0xad/0x140 [i915]
[  441.493262]  dpm_run_callback+0x5f/0x310
[  441.493262]  device_resume_early+0xa6/0xe0
[  441.493262]  async_resume_early+0x14/0x40
[  441.493262]  async_run_entry_fn+0x2e/0x160
[  441.493262]  process_one_work+0x21a/0x640
[  441.493262]  worker_thread+0x48/0x3a0
[  441.493262]  kthread+0xfb/0x130
[  441.493262]  ? process_one_work+0x640/0x640
[  441.493262]  ? _kthread_create_on_node+0x60/0x60
[  441.493262]  ret_from_fork+0x3a/0x50
[  441.493262] Code: 24 48 8b 73 08 85 c0 48 8b 13 48 c7 c0 a0 83 08 82 49 c7
c0 17 31 0b 82 4c 0f 44 c0 48 8b 0f 48 c7 c7 60 84 08 82 e8 54 28 f3 ff <0f> 0b
eb a8 41 55 41 54 55 53 48 83 ec 30 65 48 8b 04 25 28 00 
[  441.493262] WARNING: CPU: 1 PID: 1498 at kernel/trace/ring_buffer.c:2641
rb_handle_timestamp.isra.31+0x6c/0x70
[  441.493262] ---[ end trace b50f43c86b8cffe4 ]---

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