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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 - [BAT][CTG] (gem_mmap_gtt:3095) Failed assertion: memcmp(ptr , linear_pattern, PAGE_SIZE) == 0"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101234">101234</a>
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<th>Summary</th>
<td>[BAT][CTG] (gem_mmap_gtt:3095) Failed assertion: memcmp(ptr , linear_pattern, PAGE_SIZE) == 0
</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>Other
</td>
</tr>
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<th>OS</th>
<td>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>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@free.fr
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<pre>Ever since we swapped fi-ctg-l9400 for another one
(<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BAT][CTG] igt@gem_exec_suspend@basic-s3's execution time tripled after the pre-rc1 backmerge"
href="show_bug.cgi?id=101089">https://bugs.freedesktop.org/show_bug.cgi?id=101089</a>), we started randomly
hitting an assert when running igt@gem_mmap_gtt@basic-small-bo-tiledx:
(gem_mmap_gtt:3095) CRITICAL: Test assertion failure function test_huge_bo,
file gem_mmap_gtt.c:518:
(gem_mmap_gtt:3095) CRITICAL: Failed assertion: memcmp(ptr , linear_pattern,
PAGE_SIZE) == 0
Subtest basic-small-bo-tiledX failed.
**** DEBUG ****
(gem_mmap_gtt:3095) intel-chipset-DEBUG: Test requirement passed: pci_dev
(gem_mmap_gtt:3095) intel-os-DEBUG: Checking 1 surfaces of size 134217728 bytes
(total 134221824) against RAM
(gem_mmap_gtt:3095) drmtest-DEBUG: Test requirement passed: !(fd<0)
(gem_mmap_gtt:3095) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_mmap_gtt:3095) intel-os-DEBUG: Test requirement passed:
__intel_check_memory(count, size, mode, &required, &total)
(gem_mmap_gtt:3095) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_mmap_gtt:3095) DEBUG: Test requirement passed: __gem_set_tiling(fd, bo,
tiling, pitch) == 0
(gem_mmap_gtt:3095) DEBUG: Test requirement passed: __gem_set_tiling(fd, bo,
tiling, pitch) == 0
(gem_mmap_gtt:3095) DEBUG: Test requirement passed: ptr
(gem_mmap_gtt:3095) CRITICAL: Test assertion failure function test_huge_bo,
file gem_mmap_gtt.c:518:
(gem_mmap_gtt:3095) CRITICAL: Failed assertion: memcmp(ptr , linear_pattern,
PAGE_SIZE) == 0
**** END ****
So far, it has happened 4 out of the 5 runs of the new machine.
Full logs:
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2671/fi-ctg-l9400/igt@gem_mmap_gtt@basic-small-bo-tiledx.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2671/fi-ctg-l9400/igt@gem_mmap_gtt@basic-small-bo-tiledx.html</a></pre>
</div>
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