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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB]Piglit/glx_GLX_OML_sync_control_timing_-fullscreen_-divisor_2 sporadically fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89437">89437</a>
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<th>Summary</th>
<td>[IVB]Piglit/glx_GLX_OML_sync_control_timing_-fullscreen_-divisor_2 sporadically fails
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>unspecified
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>Linux (All)
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
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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>huax.lu@intel.com
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<pre>System Environment:
--------------------------
Platform: IVB
Libdrm:
(master)libdrm-2.4.59-32-g080b4929b7452dc1fea32ac1d32e7e571e7fb38b
Mesa: (master)b77576edc1a8010e5457f82b41c335ae27cb066b
Xserver:
(master)xorg-server-1.17.0-16-g3a06faf3fcdb7451125a46181f9152e8e59e9770
Xf86_video_intel:
(master)2.99.917-174-g3e390ec4110519746f2edbb3c38a40f0fc415430
Libva: (master)f9741725839ea144e9a6a1827f74503ee39946c3
Libva_intel_driver:(master)e8fde1cdaafb93c2b54d6092a728d099ad7cdd11
Kernel: (drm-intel-nightly)a5217f77503a1089aeb8a9f4e3731e29c1ac2d41
Bug detailed description:
---------------------------
It sporadically fails on IVB with mesa master branch, fail rate:1/10
output:
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
Wallclock time between MSCs 16716.000000us does not match glXGetMscRateOML
16665.600000us
PIGLIT: {"result": "fail" }
==Reproduce steps==
----------------------------
1. xinit
2. ./bin/glx-oml-sync-control-timing -fullscreen -divisor 2 -auto</pre>
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