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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][BYT,BSW] WARN_ON(dev_priv->uncore.funcs.mmio_readl(dev_priv, (((const i915_reg_t){ .reg = (0x180000 + 0x650C) })), true) & (1 << 27))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101517">101517</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BAT][BYT,BSW] WARN_ON(dev_priv->uncore.funcs.mmio_readl(dev_priv, (((const i915_reg_t){ .reg = (0x180000 + 0x650C) })), true) & (1 << 27))
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@free.fr
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Starting from CI_DRM_2743, executing the tests
igt@kms_pipe_crc_basic@suspend-read-crc-pipe-[ac] on our baytrails and
braswells may lead to the following WARNING:
[ 579.071526] [drm:chv_set_cdclk [i915]] *ERROR* timed out waiting for CDclk
change
[ 579.071942] WARN_ON(dev_priv->uncore.funcs.mmio_readl(dev_priv, (((const
i915_reg_t){ .reg = (0x180000 + 0x650C) })), true) & (1 << 27))
[ 579.072038] ------------[ cut here ]------------
[ 579.072211] WARNING: CPU: 1 PID: 3159 at
drivers/gpu/drm/i915/intel_cdclk.c:485 vlv_program_pfi_credits+0xb4/0xc0 [i915]
[ 579.072224] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
i915 ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep r8169
snd_hda_core mii lpc_ich snd_pcm i2c_hid prime_numbers i2c_designware_platform
i2c_designware_core pinctrl_cherryview
[ 579.072518] CPU: 1 PID: 3159 Comm: kworker/u4:25 Tainted: G U
4.12.0-rc6-CI-CI_DRM_2744+ #1
[ 579.072531] Hardware name: /NUC5CPYB, BIOS
PYBSWCEL.86A.0058.2016.1102.1842 11/02/2016
[ 579.072551] Workqueue: events_unbound async_run_entry_fn
[ 579.072577] task: ffff880176ad2600 task.stack: ffffc900007b8000
[ 579.072745] RIP: 0010:vlv_program_pfi_credits+0xb4/0xc0 [i915]
[ 579.072842] RSP: 0000:ffffc900007bba20 EFLAGS: 00010282
[ 579.072869] RAX: 000000000000007c RBX: ffff88016ae60000 RCX:
0000000000000006
[ 579.072882] RDX: 0000000000000006 RSI: ffffffff81cba051 RDI:
ffffffff81c99767
[ 579.072895] RBP: ffffc900007bba30 R08: 0000000000000000 R09:
0000000000000001
[ 579.072909] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000048004000
[ 579.072922] R13: ffff88016ae60000 R14: 00000001000441da R15:
ffff88016ae66d98
[ 579.072937] FS: 0000000000000000(0000) GS:ffff88017fd00000(0000)
knlGS:0000000000000000
[ 579.072951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 579.072964] CR2: 0000000000000000 CR3: 0000000003e0f000 CR4:
00000000001006e0
[ 579.072977] Call Trace:
[ 579.073157] chv_set_cdclk+0x13c/0x170 [i915]
[ 579.073337] intel_set_cdclk+0x5d/0x90 [i915]
[ 579.073511] intel_atomic_commit_tail+0xa9f/0xf70 [i915]
[ 579.073716] intel_atomic_commit+0x3fb/0x500 [i915]
[ 579.073832] ? drm_atomic_check_only+0x420/0x560
[ 579.073939] ? intel_runtime_pm_put+0x51/0xa0 [i915]
[ 579.073957] drm_atomic_commit+0x46/0x50
[ 579.073974] drm_atomic_helper_commit_duplicated_state+0xbf/0xd0
[ 579.074088] __intel_display_resume+0x81/0xc0 [i915]
[ 579.074205] intel_display_resume+0xca/0xf0 [i915]
[ 579.074323] i915_pm_restore+0xef/0x190 [i915]
[ 579.074424] i915_pm_resume+0x9/0x10 [i915]
[ 579.074438] pci_pm_resume+0x5f/0x90
[ 579.074455] dpm_run_callback+0x6f/0x330
[ 579.074465] ? pci_pm_thaw+0x90/0x90
[ 579.074483] device_resume+0xac/0x1e0
[ 579.074500] ? dpm_watchdog_set+0x60/0x60
[ 579.074523] async_resume+0x18/0x40
[ 579.074535] async_run_entry_fn+0x34/0x160
[ 579.074553] process_one_work+0x1fe/0x670
[ 579.074577] worker_thread+0x49/0x3b0
[ 579.074601] kthread+0x10f/0x150
[ 579.074612] ? process_one_work+0x670/0x670
[ 579.074623] ? kthread_create_on_node+0x40/0x40
[ 579.074642] ret_from_fork+0x27/0x40
[ 579.074724] Code: 52 00 00 ba 00 40 00 40 41 bc 00 40 00 98 73 97 41 bc 00
00 00 40 eb 88 48 c7 c6 b0 17 22 a0 48 c7 c7 2c 90 20 a0 e8 a5 aa 03 e1 <0f> ff
5b 41 5c 5d c3 0f 1f 44 00 00 55 31 d2 48 89 e5 53 48 83
[ 579.075235] ---[ end trace fc1be0628a46c71d ]---
Full logs:
-
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2744/fi-byt-n2820/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2744/fi-byt-n2820/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html</a>
-
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2744/fi-byt-j1900/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2744/fi-byt-j1900/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html</a>
-
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2744/fi-bsw-n3050/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2744/fi-bsw-n3050/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html</a></pre>
</div>
</p>
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