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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [KBL][BAT] kms_flip@basic-flip-vs-dpms causes dmesg warning in CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100179">100179</a>
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</tr>
<tr>
<th>Summary</th>
<td>[KBL][BAT] kms_flip@basic-flip-vs-dpms causes dmesg warning in CI
</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>
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<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>jani.saarinen@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>
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<pre>On CI testkms_flip@basic-flip-vs-dpms causes dmesg warning:
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2318/fi-kbl-7500u/igt@kms_flip@basic-flip-vs-dpms.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2318/fi-kbl-7500u/igt@kms_flip@basic-flip-vs-dpms.html</a>
Dmesg
[ 353.385043] ------------[ cut here ]------------
[ 353.385085] WARNING: CPU: 0 PID: 8633 at
drivers/gpu/drm/i915/intel_runtime_pm.c:676 skl_enable_dc6+0xb5/0xc0 [i915]
[ 353.385098] DC6 already programmed to be enabled.
[ 353.385106] Modules linked in: vgem x86_pkg_temp_thermal intel_powerclamp
coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm mei_me mei i915 e1000e ptp pps_core
prime_numbers i2c_hid
[ 353.385166] CPU: 0 PID: 8633 Comm: kms_flip Tainted: G U
4.11.0-rc1-CI-CI_DRM_2318+ #1
[ 353.385170] Hardware name: GIGABYTE GB-BKi7(H)A-7500/MFLP7AP-00, BIOS F4
02/20/2017
[ 353.385175] Call Trace:
[ 353.385184] dump_stack+0x67/0x92
[ 353.385192] __warn+0xc6/0xe0
[ 353.385202] warn_slowpath_fmt+0x4a/0x50
[ 353.385241] skl_enable_dc6+0xb5/0xc0 [i915]
[ 353.385282] gen9_dc_off_power_well_disable+0x2a/0x30 [i915]
[ 353.385323] intel_power_well_disable+0x39/0x40 [i915]
[ 353.385364] intel_display_power_put+0xb1/0x120 [i915]
[ 353.385415] intel_atomic_commit_tail+0xbdd/0x1000 [i915]
[ 353.385424] ? __queue_work+0x17c/0x620
[ 353.385474] intel_atomic_commit+0x42f/0x540 [i915]
[ 353.385483] ? refcount_dec_and_test+0x11/0x20
[ 353.385491] drm_atomic_commit+0x46/0x50
[ 353.385499] drm_atomic_helper_connector_dpms+0xea/0x160
[ 353.385508] drm_mode_connector_set_obj_prop+0x5d/0x70
[ 353.385515] drm_mode_obj_set_property_ioctl+0xf5/0x140
[ 353.385524] drm_mode_connector_property_set_ioctl+0x2b/0x30
[ 353.385530] drm_ioctl+0x200/0x450
[ 353.385537] ? drm_mode_connector_set_obj_prop+0x70/0x70
[ 353.385548] ? __vfs_read+0x23/0x110
[ 353.385556] do_vfs_ioctl+0x90/0x6e0
[ 353.385564] SyS_ioctl+0x3c/0x70
[ 353.385573] entry_SYSCALL_64_fastpath+0x1c/0xb1
[ 353.385579] RIP: 0033:0x7fded0ae5357
[ 353.385584] RSP: 002b:00007ffe83a5e278 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 353.385591] RAX: ffffffffffffffda RBX: 00007ffe83a5c360 RCX:
00007fded0ae5357
[ 353.385597] RDX: 00007ffe83a5e2b0 RSI: 00000000c01064ab RDI:
0000000000000003
[ 353.385601] RBP: 0000000001ffa338 R08: 0000000000000001 R09:
0000000000000001
[ 353.385606] R10: 0004d8a0d4258226 R11: 0000000000000246 R12:
0000000000000010
[ 353.385611] R13: 000000000000036f R14: 0000000001000100 R15:
00000000ff000000
[ 353.385620] ---[ end trace 71b60eff0664b049 ]---
[ 353.386024] [drm:gen9_set_dc_state [i915]] *ERROR* DC state mismatch (0x0 ->
0x2)
Dmesg during:
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2318/fi-kbl-7500u/dmesg-during.log">https://intel-gfx-ci.01.org/CI/CI_DRM_2318/fi-kbl-7500u/dmesg-during.log</a></pre>
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