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<body><span class="vcard"><a class="email" href="mailto:robert.wahlstedt@gmail.com" title="Robert Wahlstedt <robert.wahlstedt@gmail.com>"> <span class="fn">Robert Wahlstedt</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - White screen in SDDM after upgrade to latest padoka"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104820">bug 104820</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTOURBUG
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - White screen in SDDM after upgrade to latest padoka"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104820#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - White screen in SDDM after upgrade to latest padoka"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104820">bug 104820</a>
from <span class="vcard"><a class="email" href="mailto:robert.wahlstedt@gmail.com" title="Robert Wahlstedt <robert.wahlstedt@gmail.com>"> <span class="fn">Robert Wahlstedt</span></a>
</span></b>
<pre>Hello, thank you for this feedback. Your computer is using software rendering
fallback instead of hardware acceleration. This is because no path could be
found. This appears to be a common theme across many threads. Padoka is labeled
in Ubuntu PPA as beta software. These guys have claimed to find a resolution
procedure.
<a href="https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/open-source-amd-linux/913600-recommended-install-process-for-xubuntu-16-10-rx480-radv-vulkan">https://www.phoronix.com/forums/forum/linux-graphics-x-org-drivers/open-source-amd-linux/913600-recommended-install-process-for-xubuntu-16-10-rx480-radv-vulkan</a>
This happens because the default xv acceleration is no longer available when
using AIGLX (because everything is being drawn through textures on the 3D
unit). I haven't seen this problem on NVIDIA cards using the more recent binary
drivers (they seem to still have an accelerated xv) but the open source ATI
drivers have a similar problem (very buggy xv when using AIGLX) as do the Intel
drivers. AIGLX was only used in the short period of time when open drivers
weren't capable of redirected direct rendering. DRI2 then made that possible,
making AIGLX obsolete.
Therefore I am labeling this error as incomparable video drivers and marking
this issue as resolved.</pre>
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