[    2.130032] ip (186) used greatest stack depth: 12472 bytes left
[    2.210580] ip (208) used greatest stack depth: 12440 bytes left
[    2.864263] ip (388) used greatest stack depth: 12008 bytes left
[   29.901305] ip (2431) used greatest stack depth: 11992 bytes left
[  544.607999] pm_nl_ctl (26362) used greatest stack depth: 11912 bytes left