Looking at the nature of the ftrace in action it looks to be one we might expect to see enabled for sreadahead when it is in profiling mode. Perhaps this broke/was killed in the middle before the suspend/resume.
Looking at the nature of the ftrace in action it looks to be one we might expect to see enabled for sreadahead when it is in profiling mode. Perhaps this broke/was killed in the middle before the suspend/resume.