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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][BAT] Value[0/2] mismatch, (overwrite with wc) wrote [gtt] 7b87261d read [cpu] 8478d9e2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107435">107435</a>
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<th>Summary</th>
<td>[CI][BAT] Value[0/2] mismatch, (overwrite with wc) wrote [gtt] 7b87261d read [cpu] 8478d9e2
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>tomi.p.sarvela@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4595/fi-icl-u/igt@drv_selftest@live_coherency.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4595/fi-icl-u/igt@drv_selftest@live_coherency.html</a>
dmesg:
[ 599.128689] Setting dangerous option live_selftests - tainting kernel
[ 599.149396] [drm] GuC: No firmware known for this platform!
[ 599.149414] [drm] HuC: No firmware known for this platform!
[ 599.595697] Value[0/2] mismatch, (overwrite with wc) wrote [gtt] 7b87261d
read [cpu] 8478d9e2 (inverse 8478d9e2), at offset 910
[ 599.595745] i915/i915_gem_coherency_live_selftests: igt_gem_coherency failed
with error -22
[ 599.718156] i915: probe of 0000:00:02.0 failed with error -22
err:
(drv_selftest:9164) igt_kmod-CRITICAL: Test assertion failure function
igt_kselftest_execute, file ../lib/igt_kmod.c:520:
(drv_selftest:9164) igt_kmod-CRITICAL: Failed assertion: err == 0
(drv_selftest:9164) igt_kmod-CRITICAL: kselftest "i915
igt__18__live_coherency=1 live_selftests=-1 disable_display=1" failed: Invalid
argument [22]
(drv_selftest:9164) igt_core-INFO: Stack trace:
(drv_selftest:9164) igt_core-INFO: #0 [__igt_fail_assert+0x180]
(drv_selftest:9164) igt_core-INFO: #1 [igt_kselftest_execute+0x1d9]
(drv_selftest:9164) igt_core-INFO: #2 [igt_kselftests+0x18c]
(drv_selftest:9164) igt_core-INFO: #3 [__real_main29+0x44]
(drv_selftest:9164) igt_core-INFO: #4 [main+0x44]
(drv_selftest:9164) igt_core-INFO: #5 [__libc_start_main+0xe7]
(drv_selftest:9164) igt_core-INFO: #6 [_start+0x2a]</pre>
</div>
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