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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Deferred lighting in Second Life causes system hiccups and screen flickering"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73528#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Deferred lighting in Second Life causes system hiccups and screen flickering"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73528">bug 73528</a>
from <span class="vcard"><a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> <span class="fn">Marek Olšák</span></a>
</span></b>
<pre>My explanations for this bug are:
1) CMASK allocation is wrong. We should try and overallocate it.
2) CMASK contains garbage, which can hang the hardware. Either the clear_buffer
function isn't reliable (it uses CP DMA) or CMASK was corrupted by eviction. Or
an out-of-bounds access from some other source corrupted it.</pre>
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