[    2.231787] ip (208) used greatest stack depth: 12320 bytes left
[    2.281982] ip (226) used greatest stack depth: 12176 bytes left
[    3.333018] ip (536) used greatest stack depth: 12168 bytes left
[   70.152533] ip (4621) used greatest stack depth: 12088 bytes left
[  563.060907] pm_nl_ctl (25209) used greatest stack depth: 11936 bytes left