[CI][IGT] igt@* - dmesg-warn *ERROR* Link Training Unsuccessful
Submitted by Marta Löfstedt @marta
Assigned to Manasi Navare @mdnavare
Link to original bug (#103558)
Description
Unfortunately the "ERROR Link Training Unsuccessful" has shown itself on the KBL-shards again on CI_DRM_3311. The previous occurrence was on CI_DRM_3291.
I am create a new bug for this again, rather than reopen the old ones.
Both occurances are on KBL6.
on run 24:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/dmesg24.log
It starts here:
<7>[ 37.974923] [drm:intel_dp_start_link_train [i915]] Channel equalization failed 5 times
<7>[ 37.977086] [drm:intel_dp_start_link_train [i915]] [CONNECTOR:58:DP-1] Link Training failed at link rate = 162000, lane count = 1
<3>[ 37.977118] [drm:intel_dp_get_link_train_fallback_values [i915]] ERROR Link Training Unsuccessful
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_color@ctm-max-pipe2.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_atomic_transition@plane-all-modeset-transition-fencing.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@syncobj_wait@wait-all-delayed-signal.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_draw_crc@draw-method-rgb565-pwrite-xtiled.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_render@gpu-blit.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@gem_exec_params@secure-non-master.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_flip_event_leak.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@gem_readwrite@new-obj.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@gem_mmap_wc@read-write-distinct.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@gem_ctx_param@root-set-no-zeromap-disabled.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_cursor_legacy@pipe-A-torture-bo.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_chv_cursor_fail@pipe-C-128x128-left-edge.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_setmode@invalid-clone-exclusive-crtc.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_cursor_crc@cursor-64x64-rapid-movement.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@gem_persistent_relocs@forked-faulting-reloc.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_rotation_crc@primary-rotation-90-flip.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-indfb-plflip-blt.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_rotation_crc@sprite-rotation-180.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@gem_exec_params@rs-invalid-on-vebox-ring.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-blt.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_cursor_legacy@flip-vs-cursor-crc-atomic.html
on run 30:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/dmesg30.log
Here it starts on the first test:
<7>[ 26.387897] [drm:intel_dp_start_link_train [i915]] Channel equalization failed 5 times
<7>[ 26.390048] [drm:intel_dp_start_link_train [i915]] [CONNECTOR:58:DP-1] Link Training failed at link rate = 162000, lane count = 1
<3>[ 26.390069] [drm:intel_dp_get_link_train_fallback_values [i915]] ERROR Link Training Unsuccessful
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_cursor_legacy@all-pipes-forked-move.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3311/shard-kbl6/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-shrfb-draw-mmap-cpu.html