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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP] igt@*crc tests* - warn / dmesg-warn - Suspicious CRC: it looks like the CRC read back was from a register in a powered down well"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108336#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP] igt@*crc tests* - warn / dmesg-warn - Suspicious CRC: it looks like the CRC read back was from a register in a powered down well"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108336">bug 108336</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre>Here is a new bunch of these issues, all of them with also fifo underrun:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_plane_lowres@pipe-c-tiling-y.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_plane_lowres@pipe-c-tiling-y.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_frontbuffer_tracking@psr-1p-primscrn-cur-indfb-move.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_frontbuffer_tracking@psr-1p-primscrn-cur-indfb-move.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_plane_alpha_blend@pipe-a-coverage-7efc.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_plane_alpha_blend@pipe-a-coverage-7efc.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_ccs@pipe-c-crc-primary-basic.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_128/fi-icl-u/igt@kms_ccs@pipe-c-crc-primary-basic.html</a>
Starting subtest: pipe-C-crc-primary-basic
(kms_ccs:1181) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_ccs:1181) igt_debugfs-WARNING: Suspicious CRC: it looks like the CRC read
back was from a register in a powered down well
(kms_ccs:1181) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_ccs:1181) igt_debugfs-WARNING: Suspicious CRC: it looks like the CRC read
back was from a register in a powered down well
Subtest pipe-C-crc-primary-basic: SUCCESS (1.884s)
<3> [40.437999] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
<3> [42.588120] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun</pre>
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