[    2.209389] ip (189) used greatest stack depth: 12832 bytes left
[    2.241570] ip (197) used greatest stack depth: 12624 bytes left
[    2.272801] ip (206) used greatest stack depth: 12576 bytes left
[    2.303905] ip (215) used greatest stack depth: 12552 bytes left
[    2.324618] ip (221) used greatest stack depth: 12520 bytes left
[   29.152250] ip (2189) used greatest stack depth: 12048 bytes left
[   76.962002] ip (5428) used greatest stack depth: 12040 bytes left
[   99.941886] ip (5838) used greatest stack depth: 11992 bytes left
[  547.518962] pm_nl_ctl (27771) used greatest stack depth: 11912 bytes left