[    2.198477] ip (184) used greatest stack depth: 12832 bytes left
[    2.246636] ip (197) used greatest stack depth: 12488 bytes left
[    2.276250] ip (207) used greatest stack depth: 12280 bytes left
[    4.092685] ip (718) used greatest stack depth: 12008 bytes left
[  536.078128] pm_nl_ctl (26363) used greatest stack depth: 11912 bytes left