[    2.182304] ip (190) used greatest stack depth: 12264 bytes left
[   17.460234] ip (1691) used greatest stack depth: 12048 bytes left
[   58.608447] ip (4626) used greatest stack depth: 12008 bytes left
[  536.332810] pm_nl_ctl (26364) used greatest stack depth: 11912 bytes left