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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] GPU hang when replaying trace with SIMD32 + spilling + ?"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96252">96252</a>
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<th>Summary</th>
<td>[SKL] GPU hang when replaying trace with SIMD32 + spilling + ?
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>Drivers/DRI/i965
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<th>Assignee</th>
<td>idr@freedesktop.org
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<th>Reporter</th>
<td>imirkin@alum.mit.edu
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<p>
<div>
<pre>Not sure what bits are required to mess things up, but with Curro's and
Jordan's patches (jljusten's branch to enable GL 4.3), I get hangs on SKL:
[2782068.040596] [drm] stuck on render ring
[2782068.041487] [drm] GPU HANG: ecode 9:0:0x85ddfffb, in glretrace [2257],
reason: Ring hung, action: reset
[2782068.961700] drm/i915: Resetting chip after gpu hang
[2782070.036607] [drm] RC6 on
[2782075.040687] [drm] stuck on render ring
[2782075.041542] [drm] GPU HANG: ecode 9:0:0x85ddfffb, in glretrace [2257],
reason: Ring hung, action: reset
[2782075.043839] drm/i915: Resetting chip after gpu hang
[2782077.044990] [drm] RC6 on
This happens when replaying the trace from <a class="bz_bug_link
bz_status_NEW "
title="NEW - McNopper Compute Shader Example40 broken on Intel"
href="show_bug.cgi?id=94858">bug 94858</a> on my SKL GT2 (0x1912 pci
id). Ken was able to reproduce the hangs, said something about barriers going
crazy, but didn't make further progress. Note that the trace does contain some
shaders that require SIMD32.</pre>
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