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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 - [TGL] media VME encoding GPU hang w/o i915 error state captured"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112377">112377</a>
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<th>Summary</th>
<td>[TGL] media VME encoding GPU hang w/o i915 error state captured
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>XOrg git
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>not set
</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>
</tr>
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<th>Reporter</th>
<td>dmitry.v.rogozhkin@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>
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<pre>Created <span class=""><a href="attachment.cgi?id=146016" name="attach_146016" title="Full dmesg log">attachment 146016</a> <a href="attachment.cgi?id=146016&action=edit" title="Full dmesg log">[details]</a></span>
Full dmesg log
>From <a href="https://github.com/intel/media-driver/issues/773">https://github.com/intel/media-driver/issues/773</a>
Run:
wget <a href="https://fate-suite.libav.org/h264-conformance/AUD_MW_E.264">https://fate-suite.libav.org/h264-conformance/AUD_MW_E.264</a>
sample_multi_transcode -i::h264 AUD_MW_E.264 -hw -async 1 -u 4 -o::h264 a.h264
Stack:
*
<a href="https://github.com/intel/gmmlib/commit/f78be970a6c3aef6d0347159f9c3f250421af16c">https://github.com/intel/gmmlib/commit/f78be970a6c3aef6d0347159f9c3f250421af16c</a>
*
<a href="https://github.com/intel/media-driver/commit/1645d0f06597599393625168cc4445b0ae092219">https://github.com/intel/media-driver/commit/1645d0f06597599393625168cc4445b0ae092219</a>
*
<a href="https://github.com/Intel-Media-SDK/MediaSDK/commit/2515d8fbb65979685ce086aa5c9b24786cc2cab6">https://github.com/Intel-Media-SDK/MediaSDK/commit/2515d8fbb65979685ce086aa5c9b24786cc2cab6</a>
+ apply <a href="https://github.com/Intel-Media-SDK/MediaSDK/pull/1771">https://github.com/Intel-Media-SDK/MediaSDK/pull/1771</a>
Ran with latest drm-tip kernel:
commit 5bbbc0061acc528705e593d7e01c4c9c40b208db
Merge: e67c139 883d955
Author: Lyude Paul <<a href="mailto:lyude@redhat.com">lyude@redhat.com</a>>
Date: Fri Nov 22 14:12:54 2019 -0500
Merge remote-tracking branch 'drm-intel/topic/core-for-CI' into drm-tip
Essential part of dmesg (full one attached with drm.debug=0x1e):
[ 77.006161] i915 0000:00:02.0: Resetting rcs0 for preemption time out
[ 77.006204] i915 0000:00:02.0: sample_multi_tr[1951] context reset due to
GPU hang
[ 77.006293] [drm:__i915_request_reset [i915]] client sample_multi_tr[1951]:
gained 1 ban score, now 1
i915 error state: EMPTY
Can you, please, help debug the issue from kmd stand point?
Why i915 error state is missing? is it real GPU hang or i915 bug?
Note: the above media encoder works on RCS and VCS rings, VCS tasks depend on
RCS ones.</pre>
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