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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Regression] Gnome Shell slow animations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100617">100617</a>
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<th>Summary</th>
<td>[Regression] Gnome Shell slow animations
</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)
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<th>Status</th>
<td>NEW
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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/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>grouchomarx.fr@gmail.com
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<div>
<pre>Hi,
I have installed Debian Stretch on a Thinkpad X201 (ironlake) and Gnome Shell's
animations aren't smooth anymore (30fps max, and lag easily especially on an
external monitor).
I have tried uxa and sna dri2/dri3, modesetting, wayland, with similar results.
I have also checked Fedora.
I was previously using Debian Jessie and the animations were a lot smoother
(60fps max, though only with uxa/dri2).
I have made a bisect on Debian Jessie and have found that the animations aren't
smooth anymore after
commit 6db906ea8188cd7f731e5ef7391115ee8f5c17c8
uxa/dri2: Reimplement triple buffer support
Unfortunately I failed to test the old driver on Debian Stretch.
So I don't know if it is a Gnome or a driver issue.
Or maybe some driver settings might fix it ?</pre>
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