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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT SKL]igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c fails suspend autoresume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94566#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT SKL]igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c fails suspend autoresume"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94566">bug 94566</a>
from <span class="vcard"><a class="email" href="mailto:imre.deak@intel.com" title="Imre Deak <imre.deak@intel.com>"> <span class="fn">Imre Deak</span></a>
</span></b>
<pre>(In reply to Takashi Iwai from <a href="show_bug.cgi?id=94566#c2">comment #2</a>)
<span class="quote">> Could you update the log to bugzilla? It's unreachable.</span >
Ah, sorry. Here it is:
[ 239.855741] ------------[ cut here ]------------
[ 239.855750] WARNING: CPU: 1 PID: 87 at sound/hda/hdac_i915.c:91
snd_hdac_display_power+0xf1/0x110 [snd_hda_core]()
[ 239.855752] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i915 snd_hda_intel
snd_hda_codec snd_hwdep snd_hda_core mei_me mei snd_pcm i2c_hid sdhci_pci
e1000e sdhci ptp mmc_core pps_core
[ 239.855778] CPU: 1 PID: 87 Comm: kworker/1:2 Tainted: G U W
4.5.0-gfxbench+ #1
[ 239.855780] Hardware name: /NUC6i5SYB, BIOS
SYSKLi35.86A.0028.2015.1112.1822 11/12/2015
[ 239.855784] Workqueue: pm pm_runtime_work
[ 239.855786] 0000000000000000 ffff8802644f7be8 ffffffff813fef15
0000000000000000
[ 239.855791] ffffffffa00f877c ffff8802644f7c20 ffffffff81078a21
0000000000000000
[ 239.855795] ffff88026661d668 ffff880263ee10d8 ffff880265bc5668
0000000000000000
[ 239.855799] Call Trace:
[ 239.855803] [<ffffffff813fef15>] dump_stack+0x67/0x92
[ 239.855807] [<ffffffff81078a21>] warn_slowpath_common+0x81/0xc0
[ 239.855810] [<ffffffff81078b15>] warn_slowpath_null+0x15/0x20
[ 239.855815] [<ffffffffa00f77e1>] snd_hdac_display_power+0xf1/0x110
[snd_hda_core]
[ 239.855819] [<ffffffffa013839d>] azx_intel_link_power+0xd/0x10
[snd_hda_intel]
[ 239.855827] [<ffffffffa011932a>] azx_link_power+0x1a/0x30 [snd_hda_codec]
[ 239.855831] [<ffffffffa00f21f9>] snd_hdac_link_power+0x29/0x40
[snd_hda_core]
[ 239.855837] [<ffffffffa01142a6>] hda_codec_runtime_suspend+0x76/0xa0
[snd_hda_codec]
[ 239.855843] [<ffffffffa0114230>] ? hda_codec_runtime_resume+0x50/0x50
[snd_hda_codec]
[ 239.855847] [<ffffffff8154719d>] __rpm_callback+0x2d/0x70
[ 239.855850] [<ffffffff815471ff>] rpm_callback+0x1f/0x80
[ 239.855855] [<ffffffffa0114230>] ? hda_codec_runtime_resume+0x50/0x50
[snd_hda_codec]
[ 239.855858] [<ffffffff81547764>] rpm_suspend+0x134/0x7f0
[ 239.855861] [<ffffffff815494c6>] pm_runtime_work+0x76/0xc0
[ 239.855864] [<ffffffff81093c8b>] process_one_work+0x1cb/0x680
[ 239.855867] [<ffffffff81093c06>] ? process_one_work+0x146/0x680
[ 239.855869] [<ffffffff81094189>] worker_thread+0x49/0x490
[ 239.855872] [<ffffffff81094140>] ? process_one_work+0x680/0x680
[ 239.855874] [<ffffffff81094140>] ? process_one_work+0x680/0x680
[ 239.855878] [<ffffffff8109a87a>] kthread+0xea/0x100
[ 239.855881] [<ffffffff817c53d7>] ? _raw_spin_unlock_irq+0x27/0x50
[ 239.855885] [<ffffffff8109a790>] ? kthread_create_on_node+0x1f0/0x1f0
[ 239.855888] [<ffffffff817c607f>] ret_from_fork+0x3f/0x70
[ 239.855891] [<ffffffff8109a790>] ? kthread_create_on_node+0x1f0/0x1f0
[ 239.855893] ---[ end trace 74f6ab5178db725a ]---</pre>
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