[    2.203497] ip (189) used greatest stack depth: 12296 bytes left
[    2.296797] ip (215) used greatest stack depth: 12072 bytes left
[    2.857897] ip (369) used greatest stack depth: 12016 bytes left
[   71.352152] ip (4823) used greatest stack depth: 12000 bytes left
[  565.409771] pm_nl_ctl (26366) used greatest stack depth: 11912 bytes left