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igt@kms_hdr@brightness-with-hdr - fail - CRITICAL: Test assertion failure function adjust_brightness CRITICAL: Failed assertion: igt_backlight_read(&context.max, "max_brightness", &context) > -1 CRITICAL: Last errno: 2, No such file or directory

log on intel-gfx-ci.01.org

Starting dynamic subtest: pipe-A-DP-5
(kms_hdr:2747) CRITICAL: Test assertion failure function adjust_brightness, file ../tests/kms_hdr.c:466:
(kms_hdr:2747) CRITICAL: Failed assertion: igt_backlight_read(&context.max, "max_brightness", &context) > -1
(kms_hdr:2747) CRITICAL: Last errno: 2, No such file or directory
Dynamic subtest pipe-A-DP-5 failed.
**** DEBUG ****
(kms_hdr:2747) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=512, height=512, format=XR30(0x30335258), modifier=0x0, size=0)
(kms_hdr:2747) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=1, pitch=2048)
(kms_hdr:2747) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modifiers(fd)
(kms_hdr:2747) intel_allocator_simple-DEBUG: Using simple allocator
(kms_hdr:2747) intel_allocator_simple-DEBUG: <ial: 0x55a9f675a530, fd: 5> objects: 3, reserved_areas: 0
(kms_hdr:2747) intel_allocator_simple-DEBUG: <ial: 0x55a9f675a530, fd: 5> objects: 3, reserved_areas: 0
(kms_hdr:2747) intel_allocator_simple-DEBUG: Using simple allocator
(kms_hdr:2747) intel_allocator_simple-DEBUG: <ial: 0x55a9f6766da0, fd: 5> objects: 3, reserved_areas: 0
(kms_hdr:2747) intel_allocator_simple-DEBUG: <ial: 0x55a9f6766da0, fd: 5> objects: 3, reserved_areas: 0
(kms_hdr:2747) igt_kms-DEBUG: display: A.0: plane_set_fb(290)
(kms_hdr:2747) igt_kms-DEBUG: display: A.0: plane_set_size (512x512)
(kms_hdr:2747) igt_kms-DEBUG: display: A.0: fb_set_position(0,0)
(kms_hdr:2747) igt_kms-DEBUG: display: A.0: fb_set_size(512x512)```