[    2.173504] ip (191) used greatest stack depth: 12360 bytes left
[    2.255301] ip (217) used greatest stack depth: 12320 bytes left
[    2.750776] ip (357) used greatest stack depth: 12088 bytes left
[   28.235918] ip (2057) used greatest stack depth: 12080 bytes left
[  555.762865] pm_nl_ctl (25160) used greatest stack depth: 11944 bytes left