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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 - [SKL-Y] GuC does not load when resuming from suspend to DISK"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94390">94390</a>
</td>
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<tr>
<th>Summary</th>
<td>[SKL-Y] GuC does not load when resuming from suspend to DISK
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (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>christophe.prigent@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>Created <span class=""><a href="attachment.cgi?id=122103" name="attach_122103" title="dmesg">attachment 122103</a> <a href="attachment.cgi?id=122103&action=edit" title="dmesg">[details]</a></span>
dmesg
Hardware
Platform: SKY LAKE Y A0 QUAL
CPU : Intel(R) Core(TM) m5-6Y57 CPU @ 1.10GHz (family: 6, model: 78 stepping:
3)
MCP : SKL-Y D1 2+2 (ou ULX-D1)
QDF : QJK9
CPU : SKL D0
Chipset PCH: Sunrise Point LP C0
CRB : SKY LAKE Y LPDDR3 RVP3 CRB FAB2
Reworks : All Mandatories + FBS02 & FBS03, O-06
Software
Linux OS : Ubuntu 15.04 64 bits
BIOS : SKLSE2R1.R00.B104.B01.1511110114
ME FW : 11.0.0.1191
Ksc (EC FW): 1.20
Kernel: drm-intel-nightly 4.5.0-rc6 from <a href="http://cgit.freedesktop.org/drm-intel">http://cgit.freedesktop.org/drm-intel</a>
With patch applied from:
<a href="https://patchwork.freedesktop.org/patch/74962/">https://patchwork.freedesktop.org/patch/74962/</a>
<a href="https://lists.freedesktop.org/archives/intel-gfx/2016-February/088390.html">https://lists.freedesktop.org/archives/intel-gfx/2016-February/088390.html</a>
Guc 6.1
Steps:
-------
1. Execute command:
sudo -s
echo disk > /sys/power/state
2. Wait a moment
3. resume with keyboard
4. Check GuC load status from kernel debugfs with:
cat /sys/kernel/debug/dri/0/i915_guc_load_status
Actual result:
--------------
4. GuC is not loaded, confirmed from kernel log:
[ 91.298855] [drm:intel_guc_ucode_load] GuC fw status: path
i915/skl_guc_ver6.bin, fetch SUCCESS, load SUCCESS
[ 91.298858] [drm:intel_guc_ucode_load] GuC fw status: fetch SUCCESS, load
PENDING
[ 91.403585] [drm:guc_ucode_xfer_dma] DMA status 0x10, GuC status 0x800570ec
[ 91.403585] [drm:guc_ucode_xfer_dma] returning -110
[ 91.403586] [drm:intel_guc_ucode_load] GuC firmware load fail, err -110
[ 91.423518] [drm:host2guc_action [i915]] *ERROR* GUC: host2guc action 0x20
failed. ret=-110 status=0x00000020 response=0x40000000
[ 91.423585] [drm:intel_guc_ucode_load] falling back to execlist mode, err 0
Expected result:
----------------
4. GuC is successfully loaded
Info
----
Not reproduced with suspend to Freeze and RAM</pre>
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