[    2.252990] ip (199) used greatest stack depth: 12048 bytes left
[    4.834669] ip (897) used greatest stack depth: 12040 bytes left
[   68.614099] ip (5201) used greatest stack depth: 12008 bytes left
[  107.949801] ip (5820) used greatest stack depth: 11992 bytes left
[  552.823377] pm_nl_ctl (27778) used greatest stack depth: 11912 bytes left