[    2.178511] ip (184) used greatest stack depth: 12832 bytes left
[    2.225853] ip (197) used greatest stack depth: 12552 bytes left
[    2.254499] ip (206) used greatest stack depth: 12488 bytes left
[    2.283365] ip (215) used greatest stack depth: 12008 bytes left
[   88.364112] ip (5409) used greatest stack depth: 11992 bytes left
[  527.173963] pm_nl_ctl (26352) used greatest stack depth: 11912 bytes left