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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 - [BYT]igt/drv_debugfs_reader sporadically causes *ERROR* Panel is unable to calculate CRC after 6 vblanks"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84890">84890</a>
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<th>Summary</th>
<td>[BYT]igt/drv_debugfs_reader sporadically causes *ERROR* Panel is unable to calculate CRC after 6 vblanks
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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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>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
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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, jinxianx.guo@intel.com
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=107689" name="attach_107689" title="dmesg">attachment 107689</a> <a href="attachment.cgi?id=107689&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure, unstable
Non-working platforms: BYT
==kernel==
--------------------------
drm-intel-nightly/ea4bec8e96ea8b33b49a7892c1c7f20041a56da6
==Bug detailed description==
-----------------------------
It sporadically causes "*ERROR* Panel is unable to calculate CRC after 6
vblanks" when run automation testing.Fail rate: 1/5. Clean boot system then run
binary 5 cycles, it works well.
Run case list:
Intel_gpu_tools/igt_core_getclient PASS
Intel_gpu_tools/igt_core_get_client_auth_master-drop PASS
Intel_gpu_tools/igt_core_get_client_auth_simple PASS
Intel_gpu_tools/igt_core_getstats PASS
Intel_gpu_tools/igt_core_getversion PASS
Intel_gpu_tools/igt_debugfs_emon_crash PASS
Intel_gpu_tools/igt_drm_import_export_flink PASS
Intel_gpu_tools/igt_drm_import_export_prime PASS
Intel_gpu_tools/igt_drm_vma_limiter PASS
Intel_gpu_tools/igt_drm_vma_limiter_cached PASS
Intel_gpu_tools/igt_drm_vma_limiter_cpu PASS
Intel_gpu_tools/igt_drm_vma_limiter_gtt PASS
Intel_gpu_tools/igt_drv_debugfs_reader DMESG_WARN reboot
run log:
Test Environment check: Succeeded.
[1/1] dmesg-warn: 1 Running Test(s): 0
[1/1] dmesg-warn: 1 Running Test(s): 1
Thank you for running Piglit!
Results have been written to /GFX/Test/Piglit/piglit/t
{
"results_version": 1,
"time_elapsed": 0.7119438648223877,
"tests": {
"igt/drv_debugfs_reader": {
"dmesg": "[ 1575.354677] [drm:intel_dp_sink_crc] *ERROR* Panel is
unable to calculate CRC after 6 vblanks",
"returncode": 0,
"err": "",
"environment": "PIGLIT_SOURCE_DIR=\"/GFX/Test/Piglit/piglit\"
PIGLIT_PLATFORM=\"mixed_glx_egl\"",
"command":
"/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests/drv_debugfs_reader",
"result": "dmesg-warn",
"time": 0.5496139526367188,
"out": ""
}
},
"name": "t",
"options": {
"profile": [
"tests/igt.py"
],
"dmesg": false,
"execute": true,
"platform": "mixed_glx_egl",
"valgrind": false,
"sync": false,
"filter": [
"igt/drv_debugfs_reader$"
],
"concurrent": "some",
"exclude_tests": [],
"env": {
==Reproduce steps==
----------------------------
1. run above case list 5 cycles.</pre>
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