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<body><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> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BYT]igt/many kms_flip subcases randomly fail with *ERROR* failed to train DP, aborting"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73037">bug 73037</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>VERIFIED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
<p>
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BYT]igt/many kms_flip subcases randomly fail with *ERROR* failed to train DP, aborting"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73037#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [BYT]igt/many kms_flip subcases randomly fail with *ERROR* failed to train DP, aborting"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73037">bug 73037</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>Sorry, Reopen it.
run ./kms_flip --run-subtest wf_vblank-vs-dpms-interruptible, this error goes
away.
run ./kms_flip --run-subtest absolute-wf_vblank-interruptible, it still has
this issue.
output:
IGT-Version: 1.5-g81ade89 (x86_64) (Linux:
3.13.0_drm-intel-nightly_1be8f2_20140226+ x86_64)
Using monotonic timestamps
Beginning absolute-wf_vblank-interruptible on crtc 3, connector 20
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
...........................................................................................
absolute-wf_vblank-interruptible on crtc 3, connector 20: PASSED
Beginning absolute-wf_vblank-interruptible on crtc 6, connector 20
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
...........................................................................................
absolute-wf_vblank-interruptible on crtc 6, connector 20: PASSED
Subtest absolute-wf_vblank-interruptible: SUCCESS
dmesg -r | egrep "<[1-3]>" |grep drm
<3>[ 346.945826] [drm:intel_dp_start_link_train] *ERROR* failed to enable link
training
<3>[ 348.046878] [drm:intel_dp_complete_link_train] *ERROR* failed to train
DP, aborting
<3>[ 349.065782] [drm:valleyview_pipestat_irq_handler] *ERROR* pipe A underrun
<3>[ 349.068277] [drm:intel_pipe_config_compare] *ERROR* mismatch in
has_dp_encoder (expected 1, found 0)</pre>
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