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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/kms_render causes *ERROR* pipe A underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85908#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/kms_render causes *ERROR* pipe A underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85908">bug 85908</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>kms_fence_pin_leak also has this error on BSW.
[root@x-bsw01 tests]# ./kms_fence_pin_leak
IGT-Version: 1.8-gc049c39 (x86_64) (Linux:
3.18.0-rc3_drm-intel-nightly_9a7620_20141112+ x86_64)
................................................................
[root@x-bsw01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[ 108.274532] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
pipe A underrun
<3>[ 109.771823] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
pipe B underrun
<3>[ 109.771999] [drm:valleyview_pipestat_irq_handler [i915]] *ERROR* CPU pipe
B FIFO underrun</pre>
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