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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel panic with agd5's drm-next-4.17-wip & GFX8/Polaris10/Ellesmere/Rx-480-8GiB"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104736">104736</a>
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<th>Summary</th>
<td>Kernel panic with agd5's drm-next-4.17-wip & GFX8/Polaris10/Ellesmere/Rx-480-8GiB
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<th>Product</th>
<td>DRI
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<th>Version</th>
<td>XOrg git
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/AMDgpu
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Reporter</th>
<td>robink@creosotehill.org
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<pre>Created <span class=""><a href="attachment.cgi?id=136904" name="attach_136904" title="Serial kernel console for Panic/BUG/OOPS bug on Kaveri+GFX8">attachment 136904</a> <a href="attachment.cgi?id=136904&action=edit" title="Serial kernel console for Panic/BUG/OOPS bug on Kaveri+GFX8">[details]</a></span>
Serial kernel console for Panic/BUG/OOPS bug on Kaveri+GFX8
Hi-
I'm having issues with bringing up a kennel on an AMD Kaveri (A10-7850K w/
R7 iGPU disabled) using a Radeon Rx 480 8GiB. I'm using (at the time of this
writing) the latest commit from agd5f's drm-next-4.17-wip branch (commit
006a62b26fbb0b7dcd8061f83889e0514ea42d17 ('drm/ttm: Don't unreserve swapped BOs
that were previously reserved')).
When bringing up the kernel, it acts like it's initializing the
(DisplayPort-connected) display, but then the screen blacks out and the display
finally goes to sleep. I've attached a kernel log (grabbed from a serial
connection (the kernel panics too soon to bring up the various network devices,
and thus the network console)), which hopefully has enough verbosity to be
useful. It's also available at
<a href="https://gist.github.com/Haifen/f783d5f6b2ab3d30805d9f5315b7c675">https://gist.github.com/Haifen/f783d5f6b2ab3d30805d9f5315b7c675</a>
Please let me know if there's any more information you require.
-Robin K.</pre>
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