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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeon r4 on a6-6310(BEEMA) APU hard lockup on hibernate and on second resume from suspend"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100979">100979</a>
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<th>Summary</th>
<td>Radeon r4 on a6-6310(BEEMA) APU hard lockup on hibernate and on second resume from suspend
</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>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/AMDgpu
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>soprwa@gmail.com
</td>
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<p>
<div>
<pre>I'm using kernel 4.11 on gentoo with SI/CIK enabled on Lenovo G50-45 Notebook.
Machine has AMD APU A6 6130 with Radeon r4 graphics card (Beema/Mullins). This
CPU supports olny AMD IOMMU v1. There is no discrete graphic card on it, APU
only.
When I try to hibernate this notebook it doesn't turning off. I have to press
power button to reboot the machine. Similar situation is on "radeon" driver,
and I had submitted bug report about this on kernel's bugzilla:
<a href="https://bugzilla.kernel.org/show_bug.cgi?id=191571">https://bugzilla.kernel.org/show_bug.cgi?id=191571</a>
But in this situation I'm unable to bisect because as I remember correctly
problem always occur on amdgpu driver, so I think those two can correlate with
each other. (dmesg form hibernation process attached).
As for suspend.
I can suspend/resume machine successfully only once in a row. Second time
machine suspends correctly, but on resume I have hard lockup, fans are spinning
on full rpm's and I cannot do anything but pressing power button to reboot(cold
boot) the netbook.
Moreover in dmesg after first suspend I've got error messages:
[drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* displayport link status
failed
[drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* clock recovery failed
Attachments:
1. Log after clean start.
2. Kernel's config file.
3. Log after hibernation process.
4. Log after first suspend/resume.
5. Log after second suspend/resume.</pre>
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