[    2.256270] ip (184) used greatest stack depth: 12848 bytes left
[    2.309657] ip (197) used greatest stack depth: 12496 bytes left
[    2.405025] ip (225) used greatest stack depth: 12488 bytes left
[    2.971451] ip (378) used greatest stack depth: 12016 bytes left
[  561.425232] pm_nl_ctl (26375) used greatest stack depth: 11912 bytes left