[Bug 108336] 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

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108336

            Bug ID: 108336
           Summary: [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
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_125/fi-icl-u/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_125/fi-icl-u/igt@kms_cursor_legacy@flip-vs-cursor-busy-crc-legacy.html

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_125/fi-icl-u/igt@kms_flip_tiling@flip-to-yf-tiled.html


Starting subtest: flip-to-Yf-tiled
(kms_flip_tiling:1045) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_flip_tiling:1045) igt_debugfs-WARNING: Suspicious CRC: it looks like the
CRC read back was from a register in a powered down well
(kms_flip_tiling:1045) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_flip_tiling:1045) igt_debugfs-WARNING: Suspicious CRC: it looks like the
CRC read back was from a register in a powered down well
(kms_flip_tiling:1045) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_flip_tiling:1045) igt_debugfs-WARNING: Suspicious CRC: it looks like the
CRC read back was from a register in a powered down well
(kms_flip_tiling:1045) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_flip_tiling:1045) igt_debugfs-WARNING: Suspicious CRC: it looks like the
CRC read back was from a register in a powered down well
(kms_flip_tiling:1045) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_flip_tiling:1045) igt_debugfs-WARNING: Suspicious CRC: it looks like the
CRC read back was from a register in a powered down well
(kms_flip_tiling:1045) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_flip_tiling:1045) igt_debugfs-WARNING: Suspicious CRC: it looks like the
CRC read back was from a register in a powered down well
Subtest flip-to-Yf-tiled: SUCCESS (5.177s)

<3> [39.197389] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
<3> [39.203315] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
<3> [40.669535] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe B FIFO underrun
<3> [42.139008] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe C FIFO underrun
<3> [43.613679] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun



https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_125/fi-icl-u/igt@kms_draw_crc@draw-method-xrgb2101010-mmap-wc-untiled.html

Starting subtest: draw-method-xrgb2101010-mmap-wc-untiled
(kms_draw_crc:1040) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_draw_crc:1040) igt_debugfs-WARNING: Suspicious CRC: it looks like the CRC
read back was from a register in a powered down well
(kms_draw_crc:1040) igt_debugfs-WARNING: Warning on condition crc->crc[i] ==
0xffffffff in function crc_sanity_checks, file ../lib/igt_debugfs.c:869
(kms_draw_crc:1040) igt_debugfs-WARNING: Suspicious CRC: it looks like the CRC
read back was from a register in a powered down well
Subtest draw-method-xrgb2101010-mmap-wc-untiled: SUCCESS (0.391s)

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