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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL] [drm:intel_cpu_fifo_underrun_irq_handler [i915]]*ERROR* CPU pipe x FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100233">100233</a>
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<th>Summary</th>
<td>[SKL] [drm:intel_cpu_fifo_underrun_irq_handler [i915]]*ERROR* CPU pipe x FIFO underrun
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<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>
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<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>ramix.ben.hassine@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>
<tr>
<th>i915 platform</th>
<td>SKL
</td>
</tr>
<tr>
<th>i915 features</th>
<td>display/atomic
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=130266" name="attach_130266" title="dmesg">attachment 130266</a> <a href="attachment.cgi?id=130266&action=edit" title="dmesg">[details]</a></span>
dmesg
we have FIFO underrun error when making some rotation with 3 monitor connected
Setup:
setup:
=========
Platform SKL Gigabyte
CPU: Intel(R) Core(TM) i5-6600 CPU @ 3.30GHz (family 6, model 94, stepping 3)
GPU: Intel® HD Graphics 530 - Intel Corporation Sky Lake Integrated Graphics
(rev 06)
Motherboard version: H170N-WIFI-CF
Memory: 2x 4GB Kingston 9905622-055.A00G
Software
===========
Bios: F3
Linux distribution: Ubuntu 16.04 64 bits
DMC 1.26 from
<a href="https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2">https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2</a>
GUC 6.1 from
<a href="https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2">https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2</a>
kernel:drm-tip: 2017y-03m-15d-21h-47m-56s UTC integration manifest
commit: d7cb114e1327b50c609ee6e67122cc0293ea515f
author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
authored_date: Wed Mar 15 21:48:18 2017 +0000
drm:libdrm-2.4.75-14-g19c4cfc from git://git.freedesktop.org/git/mesa/drm=
mesa:mesa-17.0.0 from git://git.freedesktop.org/git/mesa/mesa
cairo:1.15.4 from git://anongit.freedesktop.org/cairo
xorg-server-macros:util-macros-1.19.1-2-g39f07f7 from
git://git.freedesktop.org/git/xorg/util/macros
xserver:xorg-server-1.19.0-133-g386fbbe from
git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel: 2.99.917-766-gbe913a3 from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
libva: libva-1.7.3.pre1-85-gefc164d
vaapi-intel-driver:1.7.3-343-gef83d40
waffle:debian/1.5.2-3-202-g03d5566
Steps:
=====
xrandr --output <output> --rotate normal,inverted,left,right
dmesg:
======
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO
underrun
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe C FIFO
underrun</pre>
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