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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 - [BDW]igt/drv_missed_irq_hang sporadically causes *ERROR* Unclaimed register detected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85890">85890</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BDW]igt/drv_missed_irq_hang sporadically causes *ERROR* Unclaimed register detected
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<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>
</tr></table>
<p>
<div>
<pre>==System Environment==
--------------------------
Regression: not sure
Non-working platforms: BDW
==kernel==
--------------------------
drm-intel-nightly/782bafb46cc12737b16e5007583bd7b534c6202a
==Bug detailed description==
It sporadically causes *ERROR* Unclaimed register detected when run automation
testing. Run 20 cycles manually, the error is unable to reproduce. It happens 3
times in recently 10 days automation testing.
Run log:
@test: Intel_gpu_tools/igt_drv_missed_irq_hang
info: @@@Returncode: 0
test case start at: Wed Nov 5 07:43:30 2014
test case end at: Wed Nov 5 07:43:45 2014
Errors:
Dmesg:
<3>[ 2301.921963] [drm:hsw_unclaimed_reg_detect.isra.6 [i915]] *ERROR*
Unclaimed register detected. Please use the i915.mmio_debug=1 to debug this
problem.
<6>[ 2305.936790] [drm] Fake missed irq on render ring
<6>[ 2307.937879] [drm] Fake missed irq on video enhancement ring
<6>[ 2311.935929] [drm] Fake missed irq on blitter ring
Output:
command pid dev master a uid magic
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": 2,
"uname": "Linux x-bdw05 3.18.0-rc3_drm-intel-nightly_782baf_20141104+ #1162
SMP Tue Nov 4 11:31:45 CST 2014 x86_64 x86_64 x86_64 GNU/Linux\n",
"time_elapsed": 11.816837072372437,
"tests": {
"igt/drv_missed_irq_hang": {
"dmesg": "[ 2301.921963] [drm:hsw_unclaimed_reg_detect.isra.6
[i915]] *ERROR* Unclaimed register detected. Please use the i915.mmio_debug=1
to debug this problem.",
"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_missed_irq_hang",
"result": "dmesg-warn",
"time": 11.618579149246216,
"out": "Interrupts masked\nInterrupts unmasked\nCleared missed
interrupts\n"
}
},
"name": "t",
"lspci": "00:00.0 Host bridge: Intel Corporation Device 1604 (rev
08)\n00:02.0 VGA compatible controller: Intel Corporation Device 1616 (rev
08)\n00:03.0 Audio device: Intel Corporation Device 160c (rev 08)\n00:14.0 USB
controller: Intel Corporation Device 9cb1 (rev 03)\n00:16.0 Communication
controller: Intel Corporation Device 9cba (rev 03)\n00:19.0 Ethernet
controller: Intel Corporation Ethernet Connection (3) I218-LM (rev 03)\n00:1f.0
ISA bridge: Intel Corporation Device 9cc3 (rev 03)\n00:1f.2 SATA controller:
Intel Corporation Device 9c83 (rev 03)\n00:1f.3 SMBus: Intel Corporation Device
9ca2 (rev 03)\n00:1f.6 Signal processing controller: Intel Corporation Device
9ca4 (rev 03)\n",
"options": {
"profile": [
"tests/igt.py"
],
"dmesg": false,
"execute": true,
"log_level": "quiet",
"concurrent": "some",
"valgrind": false,
"sync": false,
"filter": [
"igt/drv_missed_irq_hang$"
],
"platform": "mixed_glx_egl",
"exclude_tests": [],
"env": {
"PIGLIT_SOURCE_DIR": "/GFX/Test/Piglit/piglit",
"PIGLIT_PLATFORM": "mixed_glx_egl"
},
"exclude_filter": []
}
}
returncode: 0
result: dmesg-warn
summary: Intel_gpu_tools/igt_drv_missed_irq_hang DMESG_WARN</pre>
</div>
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