<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <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_NEW "
   title="NEW --- - [BYT ppgtt]Piglit/Ogles3conform/Webglc cases sporadically cause GPU hang"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=83916">bug 83916</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;">Summary</td>
           <td>[BYT ppgtt]webglc cases sporadically cause GPU hang
           </td>
           <td>[BYT ppgtt]Piglit/Ogles3conform/Webglc cases sporadically cause GPU hang
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [BYT ppgtt]Piglit/Ogles3conform/Webglc cases sporadically cause GPU hang"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=83916#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [BYT ppgtt]Piglit/Ogles3conform/Webglc cases sporadically cause GPU hang"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=83916">bug 83916</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>This bug is not confined to Webglc.
Piglit and Ogles3conform also have this issue on automation testing, but I
can't reproduce it manually.

Piglit log:
@test:
Piglit/spec_amd_shader_trinary_minmax_compiler_built-in-functions_max3-float-float-float.vert
info: @@@Returncode: 1

Cannot_connectX
test case start at: Sat Sep 27 16:27:01 2014
test case end at:   Sat Sep 27 16:27:01 2014

Errors:
piglit: error: waffle_display_connect failed due to WAFFLE_ERROR_UNKNOWN:
XOpenDisplay failed


Dmesg:<6>[43733.365715] [drm] no progress on blitter ring
<6>[43733.373268] [drm] GPU HANG: ecode -1:0x00000000, reason: Ring hung,
action: reset
<3>[43733.373408] [drm:intel_pipe_set_base] *ERROR* pin & fence failed</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the QA Contact for the bug.</li>
          <li>You are on the CC list for the bug.</li>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>