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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 - R5 M330 GPU lockup with DPM + high power states"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95261">95261</a>
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<th>Summary</th>
<td>R5 M330 GPU lockup with DPM + high power states
</td>
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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>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
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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
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<th>Component</th>
<td>DRM/Radeon
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Reporter</th>
<td>andrzej.mendel@gmail.com
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=123454" name="attach_123454" title="/var/log/syslog at the moment of hangup (photo)">attachment 123454</a> <a href="attachment.cgi?id=123454&action=edit" title="/var/log/syslog at the moment of hangup (photo)">[details]</a></span>
/var/log/syslog at the moment of hangup (photo)
System: Ubuntu 16.06 with Mesa git (padoka ppa) and kernel 4.6-rc6
GPU: Intel HD 5500 + AMD R5 M330 - all command below run with DRI_PRIME=1
I get GPU hangups, which result in freeze after a soft reset, whenever the load
is high enough to push the GPU into higher power states.
If I run, for example, glmark2, only the first frame gets rendered and then the
GPU lockups. After ~30s system freezes with information about GPU soft reset as
the last message in syslog (see attachment)
If I run a non-GPU-intensive commands (say, glxgears with vsync), then the GPU
stays in low power states and I do not get this hangup. If I force lower power
states (echo battery > /sys/class/drm/card1/device/power_dpm_state), I don't
get this hangup even with glmark2.
If I force high power states (echo performance >
/sys/class/drm/card1/device/power_dpm_state; echo high >
/sys/class/drm/card1/device/power_dpm_force_performance_level; echo on >
/sys/class/drm/card1/device/power/control) then I do not get the hangup as long
as there is no activity at all on the GPU. A simple glxgears is enough to
trigger a hangup in this situation.
This bug is present since at least kernel 4.2.
I would appreciate any info on how to debug this further and will provide more
info if requested.</pre>
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