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<b><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#c1">Comment # 1</a>
on <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">bug 88977</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>gem_partial_pwrite_pread also has this issue.
@test: Intel_gpu_tools/igt_gem_partial_pwrite_pread_reads-display
info: @@@Returncode: 0
test case start at: Sun Jan 25 18:11:59 2015
test case end at: Sun Jan 25 18:13:30 2015
Errors:
Dmesg:
<3>[ 1067.244381] [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_9583cb_20150205+ #78
SMP Thu Feb 5 11:22:58 CST 2015 x86_64 x86_64 x86_64 GNU/Linux\n",
"time_elapsed": 86.20326805114746,
"tests": {
"igt/gem_partial_pwrite_pread/reads-display": {
"dmesg": "[ 1067.244381] [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_partial_pwrite_pread
--run-subtest reads-display",
"result": "dmesg-warn",
"time": 85.9983479976654,
"out": "IGT-Version: 1.9-g87edb51 (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_9583cb_20150205+ x86_64)\nchecking partial
reads\nSubtest reads-display: SUCCESS (85.858s)\n"</pre>
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