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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 - GPU HANG: ecode 7:0:0x85df9ff8, in chrome [9005], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92710">bug 92710</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>idr@freedesktop.org
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Component</td>
           <td>DRM/Intel
           </td>
           <td>Drivers/DRI/i915
           </td>
         </tr>

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

         <tr>
           <td style="text-align:right;">QA Contact</td>
           <td>intel-gfx-bugs@lists.freedesktop.org
           </td>
           <td>
                
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GPU HANG: ecode 7:0:0x85df9ff8, in chrome [9005], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92710#c3">Comment # 3</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - GPU HANG: ecode 7:0:0x85df9ff8, in chrome [9005], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92710">bug 92710</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 were improvements pushed in kernel and Mesa that will benefit to your
system, so please re-test with latest kernel & Mesa to see if this issue is
still occurring.

In parallel, assigning to Mesa product (please let me know if I am mistaken
with this GPU Hang).

Kernel: 4.2.3-300.fc23.x86_64
Platform: Haswell (pci id: 0x0416)
Mesa: [Please confirm your mesa version]

>From this error dump, hung is happening in render ring batch with active head
at 0x7f903760, with 0x7a000003 (PIPE_CONTROL) as IPEHR.

We note also:
  ERROR: 0x00000105
    TLB page fault error (GTT entry not valid)
    Invalid page directory entry error
    Cacheline containing a PD was marked as invalid

Batch extract (around 0x7f903760):

0x7f903730:      0x7b000005: 3DPRIMITIVE:
0x7f903734:      0x00000104:    tri list random
0x7f903738:      0x00000006:    vertex count
0x7f90373c:      0x00000000:    start vertex
0x7f903740:      0x00000001:    instance count
0x7f903744:      0x00000000:    start instance
0x7f903748:      0x00000000:    index bias
0x7f90374c:      0x7a000003: PIPE_CONTROL
0x7f903750:      0x00101c11:    no write, cs stall, render target cache flush,
instruction cache invalidate, texture cache invalidate, vf fetch invalidate,
depth cache flush,
0x7f903754:      0x00000000:    destination address
0x7f903758:      0x00000000:    immediate dword low
0x7f90375c:      0x00000000:    immediate dword high
0x7f903760:      0x780e0000: 3DSTATE_CC_STATE_POINTERS
0x7f903764:      0x00007d81:    pointer to COLOR_CALC_STATE at 0x00007d80
(changed)
0x7f903768:      0x7a000003: PIPE_CONTROL
0x7f90376c:      0x00101000:    no write, cs stall, render target cache flush,
0x7f903770:      0x00000000:    destination address
0x7f903774:      0x00000000:    immediate dword low
0x7f903778:      0x00000000:    immediate dword high
0x7f90377c:      0x05000000: MI_BATCH_BUFFER_END</pre>
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      </p>


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