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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Failed to allocate virtual address for buffer"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82455#c21">Comment # 21</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Failed to allocate virtual address for buffer"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82455">bug 82455</a>
from <span class="vcard"><a class="email" href="mailto:407883775@qq.com" title="charlie <407883775@qq.com>"> <span class="fn">charlie</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=105313" name="attach_105313" title="GPU CP LOOKUP">attachment 105313</a> <a href="attachment.cgi?id=105313&action=edit" title="GPU CP LOOKUP">[details]</a></span>
GPU CP LOOKUP
I am git newest mesa code, and change PAGE_SIZE alignment.
I am closed all GPU DMA engine. R600_DMA=nodma.
but the GPU CP is locked
This time the ring index is 3. it isa DMA_INDEX_RING
[ 434.621770] radeon 0000:0a:00.0: GPU lockup CP stall for more than
5000msec
[ 434.621805] radeon 0000:0a:00.0: GPU lockup (waiting for 0x0000000000000017
last fence id 0x0000000000000016)
[ 434.621834] radeon 0000:0a:00.0: scheduling IB failed (-78).</pre>
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