[    2.260264] ip (184) used greatest stack depth: 12832 bytes left
[    2.321360] ip (197) used greatest stack depth: 12504 bytes left
[    2.358111] ip (206) used greatest stack depth: 12480 bytes left
[    2.431894] ip (225) used greatest stack depth: 11992 bytes left
[  578.212647] pm_nl_ctl (27779) used greatest stack depth: 11912 bytes left