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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Warnings on suspend/resume: CSR SSP Base Not fine, CSR HTP Not fine, DC6 already programmed to be disabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92935">92935</a>
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<th>Summary</th>
<td>Warnings on suspend/resume: CSR SSP Base Not fine, CSR HTP Not fine, DC6 already programmed to be disabled
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>timur.alperovich@gmail.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=119626" name="attach_119626" title="dmesg output">attachment 119626</a> <a href="attachment.cgi?id=119626&action=edit" title="dmesg output">[details]</a></span>
dmesg output
I noticed the following error in dmesg when suspending/resuming:
[ 264.289328] Trying to free nonexistent resource
<000000000000e000-000000000000e0ff>
[ 264.289489] PM: suspend of devices complete after 163.064 msecs
[ 264.289896] ------------[ cut here ]------------
[ 264.289941] WARNING: CPU: 0 PID: 1814 at
drivers/gpu/drm/i915/intel_runtime_pm.c:465 skl_enable_dc6+0x1dc/0x2d0 [i915]()
[ 264.289943] CSR SSP Base Not fine
[ 264.290316] WARNING: CPU: 0 PID: 1814 at
drivers/gpu/drm/i915/intel_runtime_pm.c:466 skl_enable_dc6+0x20d/0x2d0 [i915]()
[ 264.290317] CSR HTP Not fine
[ 265.329897] WARNING: CPU: 1 PID: 1864 at
drivers/gpu/drm/i915/intel_runtime_pm.c:558 skl_disable_dc6+0x93/0xc0 [i915]()
[ 265.329898] DC6 already programmed to be disabled.
distribution: Debian (testing)
uname -m: x86_64
uname -r: drm-intel-nightly build; the last commit is: 4c2531304c0a
model: Dell XPS 9350 (i7-6500U)
no external display connected
dmesg debug output attached.</pre>
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