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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Nouveau does DMA to/from unexpected address"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66696#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Nouveau does DMA to/from unexpected address"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66696">bug 66696</a>
from <span class="vcard"><a class="email" href="mailto:stijn+bugs@linux-ipv6.be" title="Stijn Tintel <stijn+bugs@linux-ipv6.be>"> <span class="fn">Stijn Tintel</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=66696#c1">comment #1</a>)
<span class="quote">> Has this always been happening, or is this a new issue? (Guessing the
> former...)</span >
I can't tell, as I have been using nvidia.ko until now.
<span class="quote">> If it has always been like that, does this issue occur with the nvidia
> binary driver? If not, doing an mmiotrace would be helpful (guide at
> <a href="https://wiki.ubuntu.com/X/MMIOTracing">https://wiki.ubuntu.com/X/MMIOTracing</a>). The register written to by 4eb3033c
> only exists on NV50+ according to envytools.</span >
It does not occur with nvidia.ko. MMIOTrace output @
<a href="http://stewie.be.tintel.eu/mmiotrace.log">http://stewie.be.tintel.eu/mmiotrace.log</a>
<span class="quote">> Are all the errors the same (i.e. trying to read from address 0) or does it
> vary?</span >
Grep on /var/log messages shows only address 0.</pre>
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