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    <body><span class="vcard"><a class="email" href="mailto:valtteri.rantala@intel.com" title="valtteri.rantala@intel.com">valtteri.rantala@intel.com</a>
</span> changed
              <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - [SKL-Y] GPU hangs ecode 9:0:0x87cafff2/ecode 9:0:0x85dffffb while running benchmarks"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90561">bug 90561</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>RESOLVED
           </td>
           <td>REOPENED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>INVALID
           </td>
           <td>---
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Summary</td>
           <td>[SKL-Y] GPU hangs ecode 9:0:0x87cafff2 while running benchmark
           </td>
           <td>[SKL-Y] GPU hangs ecode 9:0:0x87cafff2/ecode 9:0:0x85dffffb while running benchmarks
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - [SKL-Y] GPU hangs ecode 9:0:0x87cafff2/ecode 9:0:0x85dffffb while running benchmarks"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90561#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_REOPENED "
   title="REOPENED - [SKL-Y] GPU hangs ecode 9:0:0x87cafff2/ecode 9:0:0x85dffffb while running benchmarks"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90561">bug 90561</a>
              from <span class="vcard"><a class="email" href="mailto:valtteri.rantala@intel.com" title="valtteri.rantala@intel.com">valtteri.rantala@intel.com</a>
</span></b>
        <pre>Reopened issue still exists.


Tested also Ben's branch

<a href="http://cgit.freedesktop.org/~bwidawsk/mesa/log/?h=halign_fast">http://cgit.freedesktop.org/~bwidawsk/mesa/log/?h=halign_fast</a>

That seem to help it a little
for Synmark multithread case it GPU hangs 1 out of 3

Later with the additional test causes a system hang.
Here are new dmesg.
[  167.712499] [drm] stuck on render ring
[  167.714151] [drm] GPU HANG: ecode 9:0:0x85dffffb, in synmark2 [3031],
reason:
 Ring hung, action: reset
[  167.714157] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  167.714159] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  167.714161] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  167.714163] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  167.714165] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  167.716498] drm/i915: Resetting chip after gpu hang
[  168.182886] [drm] RC6 on
[  175.719839] [drm] stuck on render ring
[  175.721031] [drm] GPU HANG: ecode 9:0:0x87cafff2, in synmark2 [3032],
reason: Ring hung, action: reset
[  175.723310] drm/i915: Resetting chip after gpu hang
[  176.189345] [drm] RC6 on
[  261.507979] [drm:fw_domains_get [i915]] *ERROR* blitter: timed out waiting
for forcewake ack request.
[  262.510760] [drm:fw_domains_get [i915]] *ERROR* blitter: timed out waiting
for forcewake ack request.
[  262.732373] [drm:fw_domains_get [i915]] *ERROR* media: timed out waiting for
forcewake ack request.</pre>
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