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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BDW Bisected]BUG: unable to handle kernel paging request at ffffc900110a0000"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78274">bug 78274</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BDW Bisected]BUG: unable to handle kernel paging request at ffffc900110a0000"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78274#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BDW Bisected]BUG: unable to handle kernel paging request at ffffc900110a0000"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78274">bug 78274</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>It still happens on latest -nightly kernel(2be456541ea41).
run ./gem_exec_nop --run-subtest render
output:
Time to exec x 1: 99.000µs (ring=render)
Time to exec x 2: 79.500µs (ring=render)
Time to exec x 4: 42.750µs (ring=render)
Time to exec x 8: 24.125µs (ring=render)
Time to exec x 16: 13.625µs (ring=render)
Time to exec x 32: 9.594µs (ring=render)
Time to exec x 64: 6.469µs (ring=render)
Time to exec x 128: 5.188µs (ring=render)
Time to exec x 256: 4.824µs (ring=render)</pre>
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