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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_NEW "
   title="NEW - [HSW] GPU HANG: ecode 7:0:0x85dffffc, in glxspheres64 [4492], reason: Hang on render ring, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99001">bug 99001</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;">Assignee</td>
           <td>intel-gfx-bugs@lists.freedesktop.org
           </td>
           <td>intel-3d-bugs@lists.freedesktop.org
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">QA Contact</td>
           <td>intel-gfx-bugs@lists.freedesktop.org
           </td>
           <td>intel-3d-bugs@lists.freedesktop.org
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Component</td>
           <td>DRM/Intel
           </td>
           <td>Drivers/DRI/i965
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Product</td>
           <td>DRI
           </td>
           <td>Mesa
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Version</td>
           <td>DRI git
           </td>
           <td>13.0
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [HSW] GPU HANG: ecode 7:0:0x85dffffc, in glxspheres64 [4492], reason: Hang on render ring, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99001#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [HSW] GPU HANG: ecode 7:0:0x85dffffc, in glxspheres64 [4492], reason: Hang on render ring, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=99001">bug 99001</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>Assigning to Mesa product (please let me know if I am mistaken with this GPU
Hang).

Kernel: 4.9.0-rc8inteldri+ commit 721d484 of intel-drm branch
Platform: Haswell (pci id: 0x0416, pci revision: 0x06, pci subsystem:
1462:10e0)
Mesa: 13.0.2-2

>From this error dump, hung is happening in render ring batch with active head
at 0x018542c4, with 0x7a000003 (PIPE_CONTROL) as IPEHR.

We can also note ERROR: 0x00000101 [TLB page fault error (GTT entry not valid)]
and then in render ring "Unloaded PD Fault (PPGTT)"

Batch extract (around 0x018542c4):

0x01854294:      0x7b000005: 3DPRIMITIVE:
0x01854298:      0x00000006:    tri fan sequential
0x0185429c:      0x00000004:    vertex count
0x018542a0:      0x00000000:    start vertex
0x018542a4:      0x00000001:    instance count
0x018542a8:      0x00000000:    start instance
0x018542ac:      0x00000000:    index bias
0x018542b0:      0x7a000003: PIPE_CONTROL
0x018542b4:      0x00101001:    no write, cs stall, render target cache flush,
depth cache flush,
0x018542b8:      0x00000000:    destination address
0x018542bc:      0x00000000:    immediate dword low
0x018542c0:      0x00000000:    immediate dword high
0x018542c4:      0x7a000003: PIPE_CONTROL
0x018542c8:      0x00000c10:    no write, instruction cache invalidate, texture
cache invalidate, vf fetch invalidate,
0x018542cc:      0x00000000:    destination address
0x018542d0:      0x00000000:    immediate dword low
0x018542d4:      0x00000000:    immediate dword high
0x018542d8:      0x780e0000: 3DSTATE_CC_STATE_POINTERS
0x018542dc:      0x00007f01:    pointer to COLOR_CALC_STATE at 0x00007f00
(changed)</pre>
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