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    <body><span class="vcard"><a class="email" href="mailto:guang.a.yang@intel.com" title="Guang Yang <guang.a.yang@intel.com>"> <span class="fn">Guang Yang</span></a>
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              <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO --- - [BDW GT3]System hangs while running glxgear with SNA"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=77263">bug 77263</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">Status</td>
           <td>NEW
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           <td>NEEDINFO
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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO --- - [BDW GT3]System hangs while running glxgear with SNA"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=77263#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO --- - [BDW GT3]System hangs while running glxgear with SNA"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=77263">bug 77263</a>
              from <span class="vcard"><a class="email" href="mailto:guang.a.yang@intel.com" title="Guang Yang <guang.a.yang@intel.com>"> <span class="fn">Guang Yang</span></a>
</span></b>
        <pre>(In reply to <a href="show_bug.cgi?id=77263#c5">comment #5</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=77263#c2">comment #2</a>)
> > Have you tried the usual suspects? Disable rc6, ppgtt, hw contexts?

> Jinxian, please try disable rc6.

> ppgtt: I thought it's not enabled by default?

> hw contexts: I don't have idea. Chris can you tell how to disable it?</span >

Yeah, PPGTT disabled by default, jinxian, you can try disable RC6 firstly.</pre>
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