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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][SKL] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b - dmesg-warn - DC6 already programmed to be enabled."
href="https://bugs.freedesktop.org/show_bug.cgi?id=102990">102990</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BAT][SKL] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b - dmesg-warn - DC6 already programmed to be enabled.
</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>marta.lofstedt@intel.com
</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>CI_DRM_3130 on fi-skl-6770hq
[ 420.339183] DC6 already programmed to be enabled.
[ 420.339193] ------------[ cut here ]------------
[ 420.339207] WARNING: CPU: 5 PID: 3185 at
drivers/gpu/drm/i915/intel_runtime_pm.c:609 skl_enable_dc6+0xa4/0xb0 [i915]
[ 420.339208] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul snd_hda_intel crc32_pclmul snd_hda_codec snd_hwdep
snd_hda_core ghash_clmulni_intel snd_pcm e1000e prime_numbers mei_me ptp mei
pps_core pinctrl_sunrisepoint i2c_hid pinctrl_intel
[ 420.339222] CPU: 5 PID: 3185 Comm: kworker/u16:28 Tainted: G U
4.14.0-rc2-CI-CI_DRM_3130+ #1
[ 420.339223] Hardware name: /NUC6i7KYB, BIOS
KYSKLi70.86A.0042.2016.0929.1933 09/29/2016
[ 420.339225] Workqueue: events_unbound async_run_entry_fn
[ 420.339226] task: ffff8804a5c98040 task.stack: ffffc90000a48000
[ 420.339239] RIP: 0010:skl_enable_dc6+0xa4/0xb0 [i915]
[ 420.339240] RSP: 0000:ffffc90000a4ba58 EFLAGS: 00010292
[ 420.339242] RAX: 0000000000000025 RBX: ffff88049f320000 RCX:
0000000000000000
[ 420.339242] RDX: 0000000080000001 RSI: 0000000000000001 RDI:
ffffffff810eef26
[ 420.339243] RBP: ffffc90000a4ba60 R08: 0000000000000001 R09:
0000000000000000
[ 420.339244] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88049f320000
[ 420.339244] R13: ffffffffa029dc80 R14: ffff88049f320000 R15:
0000000200000000
[ 420.339245] FS: 0000000000000000(0000) GS:ffff8804bed40000(0000)
knlGS:0000000000000000
[ 420.339246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 420.339246] CR2: 0000000000000000 CR3: 0000000497e49002 CR4:
00000000003606e0
[ 420.339247] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 420.339248] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 420.339249] Call Trace:
[ 420.339262] gen9_dc_off_power_well_disable+0x31/0x40 [i915]
[ 420.339274] intel_power_well_disable+0x3e/0x50 [i915]
[ 420.339287] intel_display_power_put+0xb5/0x110 [i915]
[ 420.339303] intel_atomic_commit_tail+0x896/0xbf0 [i915]
[ 420.339318] intel_atomic_commit+0x1bd/0x280 [i915]
[ 420.339321] drm_atomic_commit+0x4b/0x50
[ 420.339323] drm_atomic_helper_commit_duplicated_state+0xdf/0x100
[ 420.339339] __intel_display_resume+0x7f/0xc0 [i915]
[ 420.339355] intel_display_resume+0xc7/0x100 [i915]
[ 420.339368] i915_pm_restore+0xf4/0x190 [i915]
[ 420.339379] i915_pm_resume+0xe/0x10 [i915]
[ 420.339381] pci_pm_resume+0x74/0xb0
[ 420.339383] dpm_run_callback+0x6f/0x310
[ 420.339385] ? pci_pm_suspend+0x140/0x140
[ 420.339386] device_resume+0xb4/0x1e0
[ 420.339388] ? dpm_watchdog_set+0x70/0x70
[ 420.339390] async_resume+0x1d/0x50
[ 420.339392] async_run_entry_fn+0x38/0x160
[ 420.339394] process_one_work+0x233/0x660
[ 420.339396] worker_thread+0x4e/0x3b0
[ 420.339397] kthread+0x152/0x190
[ 420.339398] ? process_one_work+0x660/0x660
[ 420.339399] ? kthread_create_on_node+0x40/0x40
[ 420.339401] ret_from_fork+0x27/0x40
[ 420.339403] Code: 05 1c 5d 15 00 01 e8 9d 13 f7 e0 0f ff eb 99 80 3d 0b 5d
15 00 00 75 a7 48 c7 c7 88 d9 29 a0 c6 05 fb 5c 15 00 01 e8 7d 13 f7 e0 <0f> ff
eb 90 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 83 bf 30
[ 420.339432] ---[ end trace 5950ed534510f988 ]---
[ 420.339741] [drm:gen9_set_dc_state [i915]] *ERROR* DC state mismatch (0x0 ->
0x2)
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3130/fi-skl-6770hq/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3130/fi-skl-6770hq/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html</a></pre>
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