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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [amd-staging-drm-next] SDDM screen corruption (not useable) with RX580, amdgpu, dc=1 (of course), regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108096">108096</a>
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<th>Summary</th>
<td>[amd-staging-drm-next] SDDM screen corruption (not useable) with RX580, amdgpu, dc=1 (of course), regression
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
</td>
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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
</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>Dieter@nuetzel-hh.de
</td>
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<pre>Created <span class=""><a href="attachment.cgi?id=141786" name="attach_141786" title="SDDM corruption 4.18.0-rc1">attachment 141786</a> <a href="attachment.cgi?id=141786&action=edit" title="SDDM corruption 4.18.0-rc1">[details]</a></span>
SDDM corruption 4.18.0-rc1
amd-staging-drm-next (since 21/22 August 2018)
didn't work any longer with my nice RX580
Latest working amd-staging-drm-next kernel was from 16th August 2018
#5024f8dfe478 (my testing for Huang Rui ray.huang at amd.com)
<a href="https://lists.freedesktop.org/archives/amd-gfx/2018-August/025332.html">https://lists.freedesktop.org/archives/amd-gfx/2018-August/025332.html</a>
On 22th August I got first SDDM corruption (see attchament) and
[ 14.322826] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to initialize
parser !
in dmesg with amd-staging-drm-next 4.18.0-rc1.
(see attchament) dmesg-4.18.0-rc1-1.g7262353-default+.log
Later (23th August) I saw SDDM corruption and
[drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to initialize parser !
plus
[ 3.487757] RIP: 0010:amdgpu_bo_gpu_offset+0x56/0x90 [amdgpu]
(see attchament) dmesg-4.18.0-rc1-1.g7262353-default+.log3
After Alex's upgrade to amd-staging-drm-next 4.19.0-rc1
I got SDDM corruption (see attchament)
and
[ 14.439424] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to initialize
parser !
(see attchament) dmesg-4.19.0-rc1-1.g7262353-default+.log-25.10
First 'bisect' attempt went nuts 'cause the big merge with Linus tree didn't
resolve.
Can't find my former amd-staging-drm-next tag (#5024f8dfe478, see above) any
longer ;-(</pre>
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