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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms_frontbuffer_tracking@psr-1p-pri-indfb-multidraw - incomplete - softdog - backtrace in dmesg indicates: intel_frontbuffer_flush"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105959#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms_frontbuffer_tracking@psr-1p-pri-indfb-multidraw - incomplete - softdog - backtrace in dmesg indicates: intel_frontbuffer_flush"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105959">bug 105959</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><a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_21/fi-kbl-r/igt@kms_frontbuffer_tracking@fbc-rgb101010-draw-blt.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_21/fi-kbl-r/igt@kms_frontbuffer_tracking@fbc-rgb101010-draw-blt.html</a>
softdog, but pstore has:
<4>[ 340.053536] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 asix btusb usbnet btrtl btbcm
mii btintel bluetooth snd_hda_intel x86_pkg_temp_thermal intel_powerclamp
snd_hda_codec coretemp crct10dif_pclmul crc32_pclmul snd_hwdep
ghash_clmulni_intel snd_hda_core e1000e snd_pcm ecdh_generic mei_me mei
prime_numbers pinctrl_sunrisepoint pinctrl_intel
<4>[ 340.053560] CPU: 4 PID: 142 Comm: kworker/4:3 Tainted: G U
4.16.0-rc7-ga0e39233b887-drmtip_21+ #1
<4>[ 340.053562] Hardware name: Intel Corporation Kabylake Client
platform/Kabylake R DDR4 RVP, BIOS KBLSE2R1.R00.X078.P02.1703030515 03/03/2017
<4>[ 340.053584] Workqueue: events i915_clflush_work [i915]
<4>[ 340.053612] RIP: 0010:intel_psr_flush+0x61/0x150 [i915]
<4>[ 340.053614] RSP: 0018:ffffab8f00537dd0 EFLAGS: 00010286
<4>[ 340.053616] RAX: 0000000000000000 RBX: ffff8d41a385a5b8 RCX:
0000000000000000
<4>[ 340.053618] RDX: 0000000080000001 RSI: ffffffffffffffff RDI:
00000000ffffffff
<4>[ 340.053619] RBP: 0000000000000001 R08: ffff8d41b1a7d948 R09:
00000000ad9315fd
<4>[ 340.053621] R10: ffffab8f00537dd0 R11: ffff8d41b1a7d040 R12:
ffff8d41a3850000
<4>[ 340.053622] R13: 0000000000000001 R14: 0000000000000001 R15:
ffff8d41a89e25c8
<4>[ 340.053624] FS: 0000000000000000(0000) GS:ffff8d41bed00000(0000)
knlGS:0000000000000000
<4>[ 340.053625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 340.053627] CR2: 00000000000005e0 CR3: 0000000251210006 CR4:
00000000003606e0
<4>[ 340.053628] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[ 340.053630] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[ 340.053631] Call Trace:
<4>[ 340.053661] intel_frontbuffer_flush+0x6a/0x80 [i915]
<4>[ 340.053684] i915_clflush_work+0x73/0x1c0 [i915]
<4>[ 340.053688] process_one_work+0x21a/0x640
<4>[ 340.053691] worker_thread+0x48/0x3a0
<4>[ 340.053695] kthread+0xfb/0x130
<4>[ 340.053697] ? process_one_work+0x640/0x640
<4>[ 340.053699] ? _kthread_create_on_node+0x60/0x60
<4>[ 340.053702] ret_from_fork+0x3a/0x50
<4>[ 340.053706] Code: b8 a5 00 00 89 f5 31 f6 48 89 df e8 aa 75 26 d0 49 8b
84 24 40 a6 00 00 48 85 c0 74 7d 48 8b 80 48 ff ff ff 48 c7 c6 ff ff ff ff <48>
63 90 e0 05 00 00 b8 01 00 00 00 8d 0c d5 00 00 00 00 48 d3
<1>[ 340.053771] RIP: intel_psr_flush+0x61/0x150 [i915] RSP: ffffab8f00537dd0
<4>[ 340.053773] CR2: 00000000000005e0
<4>[ 340.053775] ---[ end trace cc8235f3734af51b ]---</pre>
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