[    2.280420] ip (198) used greatest stack depth: 12544 bytes left
[    2.312633] ip (207) used greatest stack depth: 12488 bytes left
[    2.893982] ip (360) used greatest stack depth: 12048 bytes left
[   31.455273] ip (2809) used greatest stack depth: 12032 bytes left
[   58.659696] ip (4627) used greatest stack depth: 12008 bytes left
[  541.503741] pm_nl_ctl (26407) used greatest stack depth: 11912 bytes left