[    2.238930] ip (189) used greatest stack depth: 12352 bytes left
[    2.346465] ip (224) used greatest stack depth: 12312 bytes left
[    3.990892] ip (705) used greatest stack depth: 12176 bytes left
[   11.653076] ip (1496) used greatest stack depth: 12088 bytes left
[   94.884197] ip (5284) used greatest stack depth: 12072 bytes left
[  531.525446] pm_nl_ctl (25819) used greatest stack depth: 11936 bytes left