[    2.246955] ip (198) used greatest stack depth: 12552 bytes left
[    2.299975] ip (213) used greatest stack depth: 12520 bytes left
[    2.342517] ip (225) used greatest stack depth: 12480 bytes left
[   17.751681] ip (1683) used greatest stack depth: 12008 bytes left
[  532.542559] pm_nl_ctl (26103) used greatest stack depth: 11912 bytes left