https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_7/fi-glk-j4005/igt@kms_rotation_crc@exhaust-fences.html From dmesg: <7>[ 244.052658] [IGT] kms_rotation_crc: starting subtest exhaust-fences ... <3>[ 246.235894] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow.
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_14/fi-skl-guc/igt@kms_rotation_crc@exhaust-fences.html [ 249.764040] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow.
This happened in drmtip 7, 14 and 27, and not after (we are at run 66). Let's close the bug.
Of course, it is back: https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_70/fi-skl-guc/igt@kms_rotation_crc@exhaust-fences.html [ 62.714643] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.731318] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.747998] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.764679] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.781359] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.798040] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.814720] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.831401] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.848081] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.864762] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.881443] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.898123] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.914803] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.931483] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.948164] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.964844] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.981525] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 62.998206] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 63.014886] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 63.031567] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 63.048247] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 63.065037] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow. [ 63.140653] i915 0000:00:02.0: DP-2: EDID is invalid: [ 63.140656] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.140658] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.140661] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.140663] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.140665] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.140667] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.140669] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.140671] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_110/fi-icl-u/igt@kms_rotation_crc@exhaust-fences.html <3> [82.262583] [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow.
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_117/fi-skl-caroline/igt@kms_rotation_crc@exhaust-fences.html https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_116/fi-skl-caroline/igt@kms_rotation_crc@exhaust-fences.html [drm:drm_crtc_add_crc_entry] *ERROR* Overflow of CRC buffer, userspace reads too slow.
Fix for test sent to list https://patchwork.freedesktop.org/series/50324/
https://cgit.freedesktop.org/xorg/app/intel-gpu-tools/commit/?id=fce6109b879f720755399f37701eff30c646f89b
(In reply to Jani Saarinen from comment #7) > https://cgit.freedesktop.org/xorg/app/intel-gpu-tools/commit/ > ?id=fce6109b879f720755399f37701eff30c646f89b Thanks! I can confirm it indeed fixed the problem :)
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