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<body><span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - (bisected) 32bit corruption with PIPE_USAGE_STREAM reverted"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84627">bug 84627</a>
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<td style="text-align:right;">Attachment #107452 is obsolete</td>
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<td>1
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - (bisected) 32bit corruption with PIPE_USAGE_STREAM reverted"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84627#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - (bisected) 32bit corruption with PIPE_USAGE_STREAM reverted"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84627">bug 84627</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=107655" name="attach_107655" title="drm/radeon: Ignore RADEON_GEM_GTT_WC on Kabini">attachment 107655</a> <a href="attachment.cgi?id=107655&action=edit" title="drm/radeon: Ignore RADEON_GEM_GTT_WC on Kabini">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=84627&attachment=107655'>[review]</a>
drm/radeon: Ignore RADEON_GEM_GTT_WC on Kabini
There seems to be a general problem with write-combined CPU mappings of GTT on
Kabini. We previously disabled write-combined mappings of the ring buffers
again because other users reported ring test failures on Kabini with that, but
from this report it looks like the problem runs deeper.
This kernel patch should work around it for now.</pre>
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