[    2.088407] ip (185) used greatest stack depth: 12352 bytes left
[    2.206194] ip (225) used greatest stack depth: 12320 bytes left
[    3.798244] ip (688) used greatest stack depth: 12176 bytes left
[   59.242464] ip (4450) used greatest stack depth: 12160 bytes left
[  556.066414] pm_nl_ctl (25169) used greatest stack depth: 11936 bytes left