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<body><span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][CFL only] 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">bug 105762</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">i915 platform</td>
<td>
</td>
<td>GLK
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][CFL only] 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#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][CFL only] 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">bug 105762</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre>Also, on GLK NUC shards
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4050/shard-glk2/igt@kms_vblank@pipe-c-ts-continuation-dpms-suspend.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4050/shard-glk2/igt@kms_vblank@pipe-c-ts-continuation-dpms-suspend.html</a>
[ 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 ]---</pre>
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