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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IGT] kms_cursor_crc subtest cursor-256x256-rapid-movement has a dmesg warn *ERROR* CPU pipe A FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105493">105493</a>
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</tr>
<tr>
<th>Summary</th>
<td>[IGT] kms_cursor_crc subtest cursor-256x256-rapid-movement has a dmesg warn *ERROR* CPU pipe A FIFO underrun
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hector.franciscox.velazquez.suriano@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=138079" name="attach_138079" title="dmesg -w -H">attachment 138079</a> <a href="attachment.cgi?id=138079&action=edit" title="dmesg -w -H">[details]</a></span>
dmesg -w -H
This test has dmesg-warn on CNL QA
Test List
igt@kms_cursor_crc@cursor-256x256-rapid-movement
======================================
output
======================================
- - -
======================================
dmesg-warn sample
======================================
. . .
[ +0.000069] [drm:audio_config_hdmi_pixel_clock [i915]] Configuring HDMI audio
for pixel clock 25200 (0x00010000)
[ +0.000066] [drm:hsw_audio_config_update [i915]] using automatic N
[ +0.014382] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe
A FIFO underrun
[ +0.002288] [drm:verify_connector_state.isra.115 [i915]]
[CONNECTOR:101:eDP-1]
[ +0.000072] [drm:intel_atomic_commit_tail [i915]] [CRTC:51:pipe A]
[ +0.000076] [drm:verify_single_dpll_state.isra.116 [i915]] DPLL 0
[ +0.000084] [drm:verify_connector_state.isra.115 [i915]]
[CONNECTOR:115:HDMI-A-1]
[ +0.000065] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe
B FIFO underrun
[ +0.000050] [drm:intel_atomic_commit_tail [i915]] [CRTC:75:pipe B]
[ +0.000068] [drm:verify_single_dpll_state.isra.116 [i915]] DPLL 1
[ +0.000037] [drm:drm_atomic_state_default_clear] Clearing atomic state
000000007be4b269
. . .
======================================
Graphic stack
======================================
======================================
Software
======================================
kernel version : 4.16.0-rc5-drm-tip-ww11-commit-874b86a+
os version : Ubuntu 17.10 artful x86_64
kernel driver : i915
hardware acceleration : disabled
swap partition : enabled on (/dev/nvme0n1p2)
======================================
Graphic drivers
======================================
modesetting : enabled
modesetting compiled for : 1.19.5 X.Org Video Driver
libdrm : 2.4.91
intel-gpu-tools (tag) : intel-gpu-tools-1.21-208-g89b915f5
intel-gpu-tools (commit) : 89b915f5
======================================
Hardware
======================================
motherboard id : CannonLakeYLPDDR4RVP
cpu information : Genuine Intel(R) CPU 0000 @ 1.10GHz
gpu card : Intel Corporation Device 5a41 (rev 04) (prog-if 00
[VGA controller])
memory ram : 7.63 GB
current cd clock frequency : 336000 kHz
maximum cd clock frequency : 528000 kHz
displays connected : eDP-1 HDMI-A-1
======================================
Firmware
======================================
dmc fw loaded : yes
dmc version : 1.7
guc fw loaded : fetch NONE, load NONE
guc version wanted : wanted 0.0, found 0.0
guc version found : wanted 0.0, found 0.0
======================================
kernel parameters
======================================
quiet drm.debug=0x1e intel_iommu=igfx_off auto panic=1 nmi_watchdog=panic
fsck.repair=yes i915.error_capture=yes i915.alpha_support=1
resume=/dev/nvme0n1p2 fastboot</pre>
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