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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_RESOLVED bz_closed"
title="RESOLVED FIXED - [BAT] [CTG ILK SNB BYT IVB HSW] Failed assertion: reloc.presumed_offset == offset on CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100674">bug 100674</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BAT] [CTG ILK SNB BYT IVB HSW] Failed assertion: reloc.presumed_offset == offset on CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100674#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BAT] [CTG ILK SNB BYT IVB HSW] Failed assertion: reloc.presumed_offset == offset on CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100674">bug 100674</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>commit 60568210a5616f2961a832fcb2f15daa5be918d1
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Thu Apr 13 16:07:33 2017 +0100
iget/gem_exec_reloc: Fix simulated relocations
The contract with the kernel is that the presumed_offset matches the
value written into the batch. In the case where we were creating a new
object to simulate the old being relocation, we were writing some other
value into the batch. It just happens that using GGTT read back on !llc
was causing the original batch to migrated into the aperture, leaving a
hole suitable for the new batch, and the kernel could therefore skip the
relocation (causing us to complain).
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BAT] [CTG ILK SNB BYT IVB HSW] Failed assertion: reloc.presumed_offset == offset on CI"
href="show_bug.cgi?id=100674">https://bugs.freedesktop.org/show_bug.cgi?id=100674</a>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></pre>
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