igt@kms_plane_alpha_blend@alpha-basic - fail - CRITICAL: Test assertion failure function basic_alpha CRITICAL: Failed assertion: false

log on intel-gfx-ci.01.org

Starting subtest: alpha-basic
Starting dynamic subtest: pipe-A-HDMI-A-1
(kms_plane_alpha_blend:1189) CRITICAL: Test assertion failure function basic_alpha, file ../../../usr/src/igt-gpu-tools/tests/kms_plane_alpha_blend.c:312:
(kms_plane_alpha_blend:1189) CRITICAL: Failed assertion: false
(kms_plane_alpha_blend:1189) CRITICAL: crc mismatch with plane alpha value 1799
Dynamic subtest pipe-A-HDMI-A-1 failed.
**** DEBUG ****
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "CRTC_W" to 0x0/0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "CRTC_H" to 0x0/0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "FB_ID" to 0x0/0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "CRTC_ID" to 0x0/0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "rotation" to 0x1/1
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "COLOR_ENCODING" to 0x1/1
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "COLOR_RANGE" to 0x0/0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "pixel blend mode" to 0x0/0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.3: Setting property "alpha" to 0xffff/65535
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: display:     populating plane data: A.4, fb 0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.4: Setting property "SRC_X" to 0x0/0
(kms_plane_alpha_blend:1189) igt_kms-DEBUG: plane A.4: Setting property "SRC_Y" to 0x0/0```