[    2.198238] ip (186) used greatest stack depth: 12416 bytes left
[    2.322177] ip (226) used greatest stack depth: 12312 bytes left
[    2.856375] ip (375) used greatest stack depth: 12176 bytes left
[    2.882730] ip (384) used greatest stack depth: 12128 bytes left
[   56.897096] ip (4442) used greatest stack depth: 12088 bytes left
[  524.761696] pm_nl_ctl (25163) used greatest stack depth: 11936 bytes left