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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@*(s3|suspend) - dmesg-warn - Delta way too big!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106612#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@*(s3|suspend) - dmesg-warn - Delta way too big!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106612">bug 106612</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre>Still happening:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_125/fi-cfl-s3/igt@kms_psr@suspend.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_125/fi-cfl-s3/igt@kms_psr@suspend.html</a>
<4> [416.251551] ------------[ cut here ]------------
<4> [416.251557] Delta way too big! 18446743620799766369
ts=18446744055896263471 write stamp = 435096497102\x0aIf you just came from a
suspend/resume,\x0aplease switch to the trace global clock:\x0a echo global >
/sys/kernel/debug/tracing/trace_clock\x0aor add trace_clock=global to the
kernel command line
<4> [416.251575] WARNING: CPU: 9 PID: 2469 at kernel/trace/ring_buffer.c:2771
rb_handle_timestamp.isra.30+0x6c/0x70
<4> [416.251578] Modules linked in: vgem i915 cdc_ether usbnet r8152 mii
x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
e1000e mei_me mei prime_numbers
<4> [416.251630] CPU: 9 PID: 2469 Comm: kworker/u24:7 Tainted: G U
4.19.0-rc7-g6c3870cc0454-drmtip_125+ #1
<4> [416.251633] Hardware name: Intel Corporation CoffeeLake Client
Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X118.B19.1802080131
02/08/2018
<4> [416.251640] Workqueue: events_unbound async_run_entry_fn
<4> [416.251649] RIP: 0010:rb_handle_timestamp.isra.30+0x6c/0x70
<4> [416.251654] Code: 48 8b 73 08 85 c0 48 8b 13 48 c7 c0 d8 49 07 b5 49 c7 c0
f0 0a 08 b5 4c 0f 44 c0 48 8b 0f 48 c7 c7 98 4a 07 b5 e8 54 f5 f2 ff <0f> 0b eb
a8 41 54 55 48 63 f6 53 48 8b 87 a0 00 00 00 48 8b 1c f0
<4> [416.251658] RSP: 0000:ffffbc2940877cd8 EFLAGS: 00010282
<4> [416.251664] RAX: 0000000000000000 RBX: ffffbc2940877cf0 RCX:
0000000000000002
<4> [416.251668] RDX: 0000000080000002 RSI: ffffffffb50f76e2 RDI:
00000000ffffffff
<4> [416.251672] RBP: ffffa231dbdbbb50 R08: 00000000f3233359 R09:
0000000000000000
<4> [416.251675] R10: ffffbc2940877ce8 R11: 0000000000000000 R12:
ffffa231dbc18358
<4> [416.251679] R13: ffffa231dbdbbb70 R14: 00000000000003e8 R15:
0000000000000000
<4> [416.251683] FS: 0000000000000000(0000) GS:ffffa231ddc40000(0000)
knlGS:0000000000000000
<4> [416.251687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [416.251690] CR2: 0000000000000000 CR3: 0000000495210001 CR4:
00000000003606e0
<4> [416.251694] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4> [416.251698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4> [416.251700] Call Trace:
<4> [416.251710] ring_buffer_lock_reserve+0x210/0x3f0
<4> [416.251785] ? intel_engines_reset_default_submission+0x30/0x30 [i915]
<4> [416.251793] __trace_bputs+0x5b/0x130
<4> [416.251801] ? __mutex_unlock_slowpath+0x46/0x2b0
<4> [416.251873] intel_engines_sanitize+0x26/0x50 [i915]
<4> [416.251922] i915_pm_resume_early+0x9c/0x110 [i915]
<4> [416.251971] ? vlv_resume_prepare+0x670/0x670 [i915]
<4> [416.251979] dpm_run_callback+0x64/0x280
<4> [416.251990] device_resume_early+0xa6/0xe0
<4> [416.251999] async_resume_early+0x14/0x40
<4> [416.252006] async_run_entry_fn+0x34/0x160
<4> [416.252014] process_one_work+0x245/0x610
<4> [416.252028] worker_thread+0x37/0x380
<4> [416.252037] ? process_one_work+0x610/0x610
<4> [416.252043] kthread+0x119/0x130
<4> [416.252049] ? kthread_park+0x80/0x80
<4> [416.252058] ret_from_fork+0x3a/0x50
<4> [416.252067] irq event stamp: 9730
<4> [416.252067] hardirqs last enabled at (9729): [<ffffffffb40fd8de>]
vprintk_emit+0x2ee/0x310
<4> [416.252067] hardirqs last disabled at (9730): [<ffffffffb4001930>]
trace_hardirqs_off_thunk+0x1a/0x1c
<4> [416.252067] softirqs last enabled at (9558): [<ffffffffb4c0031d>]
__do_softirq+0x31d/0x483
<4> [416.252067] softirqs last disabled at (9551): [<ffffffffb4090279>]
irq_exit+0xa9/0xc0
<4> [416.252067] WARNING: CPU: 9 PID: 2469 at kernel/trace/ring_buffer.c:2771
rb_handle_timestamp.isra.30+0x6c/0x70
<4> [416.252067] ---[ end trace 4ffd148d29b62864 ]---</pre>
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