[    2.170992] ip (191) used greatest stack depth: 12352 bytes left
[    2.197550] ip (199) used greatest stack depth: 12128 bytes left
[   49.729627] ip (3974) used greatest stack depth: 12088 bytes left
[  108.676436] ip (5296) used greatest stack depth: 12072 bytes left
[  543.140572] pm_nl_ctl (25820) used greatest stack depth: 11888 bytes left