<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/gem_evict_everything sporadically causes *ERROR* CPU pipe B FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88977">88977</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BSW]igt/gem_evict_everything sporadically causes *ERROR* CPU pipe B FIFO underrun
</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
==kernel==
--------------------------
drm-intel-nightly/0eafcbf6bc5917efd97c9916329c6f859cfb41ed
commit 0eafcbf6bc5917efd97c9916329c6f859cfb41ed
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Tue Feb 3 19:19:19 2015 +0100
drm-intel-nightly: 2015y-02m-03d-18h-18m-53s UTC integration manifest
==Bug detailed description==
-----------------------------
It sporadically causes <3>[ 1337.391545] [drm:valleyview_pipestat_irq_handler
[i915]] *ERROR* CPU pipe B FIFO underrun. when run automation testing, run it
10 cycles manually, I am unable reproduce this error.
test log:
@test: Intel_gpu_tools/igt_gem_evict_everything_forked-multifd-interruptible
info: @@@Returncode: 0
test case start at: Sun Jan 25 14:55:05 2015
test case end at: Sun Jan 25 14:55:17 2015
Errors:
Dmesg:
<3>[ 1337.391545] [drm:valleyview_pipestat_irq_handler [i915]] *ERROR* CPU pipe
B FIFO underrun
Output:
command pid dev master a uid magic
Test Environment check: Succeeded.
[1/1] dmesg-warn: 1 |
[1/1] dmesg-warn: 1 /
Thank you for running Piglit!
Results have been written to /GFX/Test/Piglit/piglit/t
{
"results_version": 2,
"uname": "Linux x-bsw01 3.19.0-rc7_drm-intel-nightly_0eafcb_20150204+ #38
SMP Wed Feb 4 11:26:26 CST 2015 x86_64 x86_64 x86_64 GNU/Linux\n",
"time_elapsed": 6.654932022094727,
"tests": {
"igt/gem_evict_everything/forked-multifd-interruptible": {
"dmesg": "[ 1337.391545] [drm:valleyview_pipestat_irq_handler
[i915]] *ERROR* CPU pipe B FIFO underrun",
"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/gem_evict_everything
--run-subtest forked-multifd-interruptible",
"result": "dmesg-warn",
"time": 6.459430932998657,
"out": "IGT-Version: 1.9-g87edb51 (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_0eafcb_20150204+ x86_64)\nSubtest
forked-multifd-interruptible: SUCCESS (6.138s)\n"
}
},
==Reproduce steps==
----------------------------
1. run all igt cases</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>