The code that constructs the framebuffer info has a nasty bug where the
field position and mask size for red are set to the GREEN values:
tag->common.framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_RGB;
tag->common.framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_RGB;
--> tag->framebuffer_red_field_position = mode_info.green_field_pos;
--> tag->framebuffer_red_mask_size = mode_info.green_mask_size;
tag->framebuffer_green_field_position = mode_info.green_field_pos;
tag->framebuffer_green_mask_size = mode_info.green_mask_size;
tag->framebuffer_blue_field_position = mode_info.blue_field_pos;
tag->framebuffer_blue_mask_size = mode_info.blue_mask_size;
--S
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