df5012: raw disk "df50120" up; read @0x200000 => leak, @0x100000 => recovery poke
df5012: LEAKING bio 0xfffff8004f3dfcc0 (off 2097152) -- b_error=EBUSY, return 0, NO biodone
df5012: poke -- completing leaked bio 0xfffff8004f3dfcc0