<html>
    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body><span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WORKSFORME - [CI][DRMTIP]igt@kms_flip@flip-vs-dpms-interruptible - dmesg-warn - no failures in logs"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=109093">bug 109093</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;">Resolution</td>
           <td>---
           </td>
           <td>WORKSFORME
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WORKSFORME - [CI][DRMTIP]igt@kms_flip@flip-vs-dpms-interruptible - dmesg-warn - no failures in logs"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=109093#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED WORKSFORME - [CI][DRMTIP]igt@kms_flip@flip-vs-dpms-interruptible - dmesg-warn - no failures in logs"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=109093">bug 109093</a>
              from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
        <pre>(In reply to Lakshmi from <a href="show_bug.cgi?id=109093#c0">comment #0</a>)
<span class="quote">> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_171/fi-icl-u3/">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_171/fi-icl-u3/</a>
> igt@<a href="mailto:kms_flip@flip-vs-dpms-interruptible.html">kms_flip@flip-vs-dpms-interruptible.html</a>

> Haven't noticed any failures/errors from the logs.</span >

The error is partially found inside the dmesg (interleaved with a lot of
failures):

<4> [249.434104] RSP: 0018:ffff9805419d3918 EFLAGS: 00010286
<4> [249.434239] intel_encoders_pre_enable.isra.13+0x61/0x80 [i915]
<4> [249.434688] RBP: 00007ffcf9c9f640 R08: 00007ffcf9c9f9a1 R09:
00007ffcf9d51080
<4> [249.434726] softirqs last disabled at (2443781): [<ffffffffb2093009>]
irq_exit+0xa9/0xc0
<4> [249.547123] CPU: 1 PID: 1606 Comm: kms_flip Tainted: G U W
4.20.0-rc6-g4ef95f23369b-drmtip_171+ #1
<4> [249.547692] RBP: 00007ffcf9c9f640 R08: 00007ffcf9c9f9a1 R09:
00007ffcf9d51080
<4> [249.657333] intel_ddi_pre_enable+0x708/0xae0 [i915]

This error happened only once, 3 months and 4 weeks ago, on a machine that has
since changed a lot (firmware, hw version, ...). All subsequent issues were
related to FIFO underruns, which are covered by:

<a class="bz_bug_link 
          bz_status_ASSIGNED "
   title="ASSIGNED - [CI] [BAT] [DRMTIP] igt@* - dmesg-warn / dmesg-fail - *ERROR* CPU pipe [ABC] FIFO underrun"
   href="show_bug.cgi?id=107724">https://bugs.freedesktop.org/show_bug.cgi?id=107724</a>

Closing this bug!</pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are on the CC list for the bug.</li>
          <li>You are the QA Contact for the bug.</li>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>