[    2.288089] ip (196) used greatest stack depth: 12488 bytes left
[    2.382786] ip (224) used greatest stack depth: 12480 bytes left
[    4.736221] ip (839) used greatest stack depth: 12328 bytes left
[    4.829613] ip (865) used greatest stack depth: 12008 bytes left
[  578.026011] pm_nl_ctl (26116) used greatest stack depth: 11912 bytes left