New comment by ericonr on void-packages repository https://github.com/void-linux/void-packages/issues/34663#issuecomment-1000033467 Comment: ``` class Stats(DumpableObject): members_offsets = [ ('blkio_delay_total', 40), ('swapin_delay_total', 56), ('read_bytes', 248), ('write_bytes', 256), ('cancelled_write_bytes', 264) ] has_blkio_delay_total = False def __init__(self, task_stats_buffer): sd = self.__dict__ for name, offset in Stats.members_offsets: data = task_stats_buffer[offset:offset + 8] sd[name] = struct.unpack('Q', data)[0] # This is a heuristic to detect if CONFIG_TASK_DELAY_ACCT is enabled in # the kernel. if not Stats.has_blkio_delay_total: Stats.has_blkio_delay_total = self.blkio_delay_total != 0 ``` It's poking at a lot of things, it's not surprising that the heuristic broke. https://repo.or.cz/w/iotop.git has some more commits, do you think you could test if the more recent version works fine?