[    2.325972] ip (200) used greatest stack depth: 12552 bytes left
[    2.390362] ip (218) used greatest stack depth: 12488 bytes left
[    2.422250] ip (227) used greatest stack depth: 12480 bytes left
[    2.443486] ip (233) used greatest stack depth: 12408 bytes left
[    3.572736] ip (543) used greatest stack depth: 12000 bytes left
[  549.413381] pm_nl_ctl (27779) used greatest stack depth: 11912 bytes left