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    <body><span class="vcard"><a class="email" href="mailto:yann.argotti@intel.com" title="yann <yann.argotti@intel.com>"> <span class="fn">yann</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - linux 4.9-r1: gpu hangs after hibernation"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=98288">bug 98288</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>DUPLICATE
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">i915 features</td>
           <td>GPU hang
           </td>
           <td>display/DP
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEEDINFO
           </td>
           <td>RESOLVED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - linux 4.9-r1: gpu hangs after hibernation"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=98288#c8">Comment # 8</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - linux 4.9-r1: gpu hangs after hibernation"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=98288">bug 98288</a>
              from <span class="vcard"><a class="email" href="mailto:yann.argotti@intel.com" title="yann <yann.argotti@intel.com>"> <span class="fn">yann</span></a>
</span></b>
        <pre>(In reply to Martin Ziegler from <a href="show_bug.cgi?id=98288#c7">comment #7</a>)
<span class="quote">> the kernel log is attached now.</span >

thanks Martin. 

It looks like prior to gpu hang happen there are many warning messages linked
to dp link training (?) intel_dp_aux_transfer (with i915_hotplug_work_func
event): WARN_ON(!msg->buffer != !msg->size) and this is also same as <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED DUPLICATE - [BDW-U]Call Trace for drivers/gpu/drm/i915/intel_dp.c after do the system to idle test mode"
   href="show_bug.cgi?id=98304">bug 98304</a>
and <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - intel_dp WARN_ON(!msg->buffer != !msg->size)"
   href="show_bug.cgi?id=97344">bug 97344</a>

*** This bug has been marked as a duplicate of <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - intel_dp WARN_ON(!msg->buffer != !msg->size)"
   href="show_bug.cgi?id=97344">bug 97344</a> ***</pre>
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