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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 - drm/i915 [drm] stuck on render ring"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98256">bug 98256</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;">Version</td>
<td>XOrg git
</td>
<td>unspecified
</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;">QA Contact</td>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
<td>
</td>
</tr>
<tr>
<td style="text-align:right;">Product</td>
<td>DRI
</td>
<td>Mesa
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - drm/i915 [drm] stuck on render ring"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98256#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - drm/i915 [drm] stuck on render ring"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98256">bug 98256</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 workaround for SKL and 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.
Kernel: 4.4.14
Platform: Skylake GT2 (pci id:0x191b)
Mesa: [Please confirm your mesa version]
>From this error dump, hung is happening in render ring batch with active head
at 0xddf64974, with 0x7b000005 (3DPRIMITIVE) as IPEHR.
Batch extract (around 0xddf64974):
0xddf64954: 0x78090005: 3DSTATE_VERTEX_ELEMENTS
0xddf64958: 0x02000000: buffer 0: invalid, type 0x0000, src offset
0x0000 bytes
0xddf6495c: 0x22220000: (0.0, 0.0, 0.0, 0.0), dst offset 0x00 bytes
0xddf64960: 0x02f60000: buffer 0: invalid, type 0x00f6, src offset
0x0000 bytes
0xddf64964: 0x11230000: (X, Y, 0.0, 1.0), dst offset 0x00 bytes
0xddf64968: 0x02f60004: buffer 0: invalid, type 0x00f6, src offset
0x0004 bytes
0xddf6496c: 0x11230000: (X, Y, 0.0, 1.0), dst offset 0x00 bytes
Bad length 7 in (null), expected 6-6
0xddf64970: 0x7b000005: 3DPRIMITIVE: fail sequential
0xddf64974: 0x00000000: vertex count
0xddf64978: 0x00000003: start vertex
0xddf6497c: 0x00000c7a: instance count
0xddf64980: 0x00000001: start instance
0xddf64984: 0x00000000: index bias
0xddf64988: 0x00000000: MI_NOOP
0xddf6498c: 0x784d0000: 3D UNKNOWN: 3d_965 opcode = 0x784d</pre>
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