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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivb] hang on pageflip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74053">bug 74053</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Summary</td>
<td>GPU hang on kernel 3.13.0
</td>
<td>[ivb] hang on pageflip
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivb] hang on pageflip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74053#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ivb] hang on pageflip"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74053">bug 74053</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>It appears to have hung trying to execute a pageflip.
0x00007eb0: 0x0a000001: MI_DISPLAY_BUFFER_INFO
0x00007eb4: 0x00001e01: dword 1
0x00007eb8: 0x06446000: dword 2
0x00007ebc: 0x00000000: MI_NOOP
which looks consistent with
fence[14] = 6c3d03b06446001
valid, x-tiled, pitch: 7680, start: 0x06446000, size: 8355840
and
Pinned [33]:
...
06446000 8355840 41 00 0 0 P X dirty uncached (name: 49) (fence: 14)
Can you please attach the full dmesg leading to the hang? Does this happen
frequently or was this a one-off event?</pre>
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