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      <base href="https://bugs.freedesktop.org/">
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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_NEEDINFO "
   title="NEEDINFO - [SNB] GPU HANG: ecode 6:0:0x7a086ff9, in Xorg [1481], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99597">bug 99597</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>NEW
           </td>
           <td>NEEDINFO
           </td>
         </tr>

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

         <tr>
           <td style="text-align:right;">i915 platform</td>
           <td>
                
           </td>
           <td>SNB
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Summary</td>
           <td>GPU HANG: ecode 6:0:0x7a086ff9, in Xorg
           </td>
           <td>[SNB] GPU HANG: ecode 6:0:0x7a086ff9, in Xorg [1481], reason: Ring hung, action: reset
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [SNB] GPU HANG: ecode 6:0:0x7a086ff9, in Xorg [1481], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99597#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [SNB] GPU HANG: ecode 6:0:0x7a086ff9, in Xorg [1481], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99597">bug 99597</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>There are constant improvements pushed in kernel, xf86-video-intel and Mesa
that will benefit to your system, so please re-test with latest kernel,
xf86-video-intel & Mesa (12 or 13) and:

- RESOLVED/* if you cannot reproduce.
- After updating if you can reproduce issue, use modesetting DDX and re-test
and finally mark as REOPENED ; attach fresh gpu error dump, kernel log & xorg
log.


*Details:
- Kernel: 4.4.0-59-generic
- Platform: SandyBridge (PCI ID: 0x0126)
- Mesa: [Please confirm your version]
- xf86-video-intel: [Please confirm your version]

>From this error dump, hung is happening in render ring batch with active head
at 0x000a978c, with 0x7a000002 (PIPE_CONTROL) as IPEHR.

Batch extract (around 0x000a978c):

0x000a9744:      0x79000002: 3DSTATE_DRAWING_RECTANGLE
0x000a9748:      0x00000000:    top left: 0,0
0x000a974c:      0x028d04d8:    bottom right: 1240,653
0x000a9750:      0x00000000:    origin: 0,0
0x000a9754:      0x78011002: 3DSTATE_BINDING_TABLE_POINTERS: VS mod 0, GS mod
0, PS mod 1
0x000a9758:      0x00000000:    VS binding table
0x000a975c:      0x00000000:    GS binding table
0x000a9760:      0x0003fee0:    WM binding table
0x000a9764:      0x7b003c04: 3DPRIMITIVE: rect list sequential
0x000a9768:      0x00000003:    vertex count
0x000a976c:      0x00006c4b:    start vertex
0x000a9770:      0x00000001:    instance count
0x000a9774:      0x00000000:    start instance
0x000a9778:      0x00000000:    index bias
0x000a977c:      0x7a000002: PIPE_CONTROL
0x000a9780:      0x00101400:    no write, cs stall, render target cache flush,
texture cache invalidate,
0x000a9784:      0x00000000:
0x000a9788:      0x00000000:
0x000a978c:      0x7a000002: PIPE_CONTROL
0x000a9790:      0x0000c000:    TIMESTAMP write,</pre>
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      </p>


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