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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - nouveau: NV4E acceleration corruption when DMA above 31-bit (2 Gig barrier)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=46557#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - nouveau: NV4E acceleration corruption when DMA above 31-bit (2 Gig barrier)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=46557">bug 46557</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>(In reply to <a href="show_bug.cgi?id=46557#c23">comment #23</a>)
<span class="quote">> here is the output for nouveau from dmesg
>
> ...
> [ 1.098755] nouveau 0000:00:05.0: >setting latency timer to 64
> ...
> [ 67.077190] nouveau E[ DRM] fail ttm_validate
> [ 67.077198] nouveau E[ DRM] validate vram_list
> [ 67.077208] nouveau E[ DRM] validate: -12 (ENOMEM)
> ...</span >
You have allocated only 32MB of RAM for the GPU
Try bumping it to 128 or 256MB it should resolve your issue</pre>
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