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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 - Stability issue in i915 during continuous 15h transcode workload with MFE"
href="https://bugs.freedesktop.org/show_bug.cgi?id=110285">110285</a>
</td>
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<th>Summary</th>
<td>Stability issue in i915 during continuous 15h transcode workload with MFE
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<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>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>oleg.makarov@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=143808" name="attach_143808" title="i915_error_state_and_reproducer">attachment 143808</a> <a href="attachment.cgi?id=143808&action=edit" title="i915_error_state_and_reproducer">[details]</a></span>
i915_error_state_and_reproducer
GPU hang happened after ~15h.
Environment:
============
OS: Ubuntu18.04.1LTS
KERNEL: 5.0.0
MICROCODE: 0xc6
CPU MODEL: Intel(R) Xeon(R) CPU E3-1578L v5 @ 2.00GHz
ASLR IS ENABLED
HT IS ENABLED
CPU's: 8, THREAD's TO CORE: 2
MediaDriver: <a href="https://github.com/intel/media-driver">https://github.com/intel/media-driver</a>, commit: 2241415
mediasdk: <a href="https://github.com/Intel-Media-SDK/MediaSDK">https://github.com/Intel-Media-SDK/MediaSDK</a>, commit dad7abb
gmmlib: <a href="https://github.com/intel/gmmlib">https://github.com/intel/gmmlib</a>, commit 8bee050
libva-utils: <a href="https://github.com/intel/libva-utils">https://github.com/intel/libva-utils</a>, commit 72dab0c
libva: <a href="https://github.com/intel/libva">https://github.com/intel/libva</a>, commit a99bab1
Kernel commit: 1c163f4c7b3f621efff9b28a47abb36f7378d783
Suspected commit: f36c071f6344e0a335ed4b4e0b3a38c0dd54648b:
Commit description:
drm/i915/ringbuffer: Clear semaphore sync registers on ring init
Ensure that the sync registers are cleared every time we restart the
ring to avoid stale values from creeping in from random neutrinos.
cat /proc/cmdline:
\boot\vmlinuz-5.0.0 root=LABEL=TARGET_OS ro vconsole.font=latarcyrheb-sun16
crashkernel=128M vconsole.keymap=us biosdevname=0 LANG=en_US.UTF-8
systemd.debug modprobe.blacklist=ast,mgag200 intel_pstate=disable
intel_idle.max_cstate=1 enable_rc6=0 initrd=boot\initrd.img-5.0.0
GPU hang doesn't reproduce on Kernel 4.19.5.
Command line for reproducing and "i915 error state" are in the attachment.
For reproducing you can get the streams from <a href="http://fate-suite.ffmpeg.org/">http://fate-suite.ffmpeg.org/</a></pre>
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