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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SNB] CPU pipe A FIFO underrun in igt@kms_busy@extended-modeset-hang-newfb*"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102371">102371</a>
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<th>Summary</th>
<td>[CI][SNB] CPU pipe A FIFO underrun in igt@kms_busy@extended-modeset-hang-newfb*
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
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<th>Hardware</th>
<td>Other
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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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>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>martin.peres@free.fr
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<pre>When running the igt@kms_busy@extended-modeset-hang-newfb* tests on Sandybrige,
we consistently hit the following issue:
[ 49.763465] i915 0000:00:02.0: Resetting chip after gpu hang
[ 60.894990] asynchronous wait on fence i915:[global]:201 timed out
[ 60.933406] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
[ 60.933613] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder B
[ 60.933648] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder B FIFO underrun
Full logs:
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<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb6/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-A.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb6/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-A.html</a>
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<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb5/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-B.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb5/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-B.html</a>
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<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb4/igt@kms_busy@extended-modeset-hang-newfb-render-A.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb4/igt@kms_busy@extended-modeset-hang-newfb-render-A.html</a>
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<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb5/igt@kms_busy@extended-modeset-hang-newfb-render-B.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2993/shard-snb5/igt@kms_busy@extended-modeset-hang-newfb-render-B.html</a></pre>
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