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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Tearing with i965 + modesetting"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101827">101827</a>
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<th>Summary</th>
<td>Tearing with i965 + modesetting
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>17.1
</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
</td>
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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>Drivers/DRI/i965
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<th>Assignee</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>moosotc@gmail.com
</td>
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<p>
<div>
<pre>More details at:
<a href="https://lists.freedesktop.org/archives/intel-gfx/2017-July/133110.html">https://lists.freedesktop.org/archives/intel-gfx/2017-July/133110.html</a>
<a href="https://lists.freedesktop.org/archives/intel-gfx/2017-July/133244.html">https://lists.freedesktop.org/archives/intel-gfx/2017-July/133244.html</a>
On top of that I've updated the tearing demonstration code:
<a href="https://boblycat.org/~malc/teartest.c">https://boblycat.org/~malc/teartest.c</a>
This new version can take a command line argument - number of swaps per frame
and when invoked like: "~/tmp/gl/teartest 2" will tear even without DRI3(i.e.
with DRI2) (though with some override-redirect magic outlined in the first
post)
With DRI3 it more or less always tears (fullscreen, nothing on top).
This leads me to suspsect that this is connected to bugs #97957 and #97173
My, perhaps naive, attempts to validate this hunch by compiling and using
Mesa/DRI from git head weren't entirely successful.</pre>
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