[    2.225585] ip (206) used greatest stack depth: 12568 bytes left
[    2.764565] ip (355) used greatest stack depth: 12256 bytes left
[    5.538303] ip (1174) used greatest stack depth: 12112 bytes left
[   17.257071] ip (1675) used greatest stack depth: 12088 bytes left
[  540.569052] pm_nl_ctl (25823) used greatest stack depth: 11944 bytes left