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<body><span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Radeon RV370 w/ acceleration enabled exhibits problem with resolutions above 1440x900"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94414">bug 94414</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>NOTOURBUG
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<td style="text-align:right;">Status</td>
<td>REOPENED
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<td>RESOLVED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Radeon RV370 w/ acceleration enabled exhibits problem with resolutions above 1440x900"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94414#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Radeon RV370 w/ acceleration enabled exhibits problem with resolutions above 1440x900"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94414">bug 94414</a>
from <span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to Felix Miata from <a href="show_bug.cgi?id=94414#c9">comment #9</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=122200" name="attach_122200" title="rv370 X300 Radeon Xorg.0.log on Fedora 23 (2 connected displays)(hwinfo prepended)">attachment 122200</a> <a href="attachment.cgi?id=122200&action=edit" title="rv370 X300 Radeon Xorg.0.log on Fedora 23 (2 connected displays)(hwinfo prepended)">[details]</a></span>
> rv370 X300 Radeon Xorg.0.log on Fedora 23 (2 connected displays)(hwinfo
> prepended)
>
> I managed to reproduce the screen corruption accidentally, by forgetting to
> disconnect 1680x1050 LCD on VGA before booting with 1920x1200 LCD on DVI.
> Rebooting with only 1920x1200 on DVI, no corruption was evident in KDE.
>
> The corruption looks the same as appeared long ago on a couple of rv370-380
> era Radeon X### cards I then decided must have developed bad RAM.</span >
The problem is that the max texture and render target coordinate limits on R3xx
hardware is 2048 pixels. If your desktop is larger than 2048 pixels in either
dimension, you will see corruption if you compositor attempts to accelerate it.
The desktop compositor should check the GL limits of the underlying driver
before blindly specifying surfaces larger than them.</pre>
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