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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Distorted graphics (double cursor) with GeForce 4200Go (NV28)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=54700#c48">Comment # 48</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Distorted graphics (double cursor) with GeForce 4200Go (NV28)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=54700">bug 54700</a>
from <span class="vcard"><a class="email" href="mailto:emil.l.velikov@gmail.com" title="Emil Velikov <emil.l.velikov@gmail.com>"> <span class="fn">Emil Velikov</span></a>
</span></b>
<pre>Thanks this is enough on the image side.
So link2 (directfb) exhibits the same issue, although in X not everything is
affected. Same dimension image can be rendered with and without corruption,
next to each other :P Seems like on some instances nouveau_bo_new() is not
given the correct params (and/or the kernel does not like them :)
A couple of tests
1. Startup X with SWCursor, by adding "Option "HWCursor" "O"" in your
xorg.conf(see $man nouveau for more information)
Does the cursor render properly ?
2. Make sure nouveau_vieux_dri.so is available and confirm that you have 3d
acceleration $ glxinfo | grep render
The above command should give you
* direct rendering: Yes
* OpenGL renderer string: Mesa DRI nv28 *****
Startup glxgears and adjust the window size and note when corruption does and
does not occur
Example: @ 200x500 graphics are corrupted, at other sizes everything is fine
(or vice-versa)</pre>
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