[    2.289863] ip (200) used greatest stack depth: 12504 bytes left
[    2.374730] ip (218) used greatest stack depth: 12480 bytes left
[    2.416967] ip (227) used greatest stack depth: 12040 bytes left
[    3.074564] ip (379) used greatest stack depth: 12000 bytes left
[  542.182290] pm_nl_ctl (27772) used greatest stack depth: 11896 bytes left