[ 1.766467] ip (239) used greatest stack depth: 12832 bytes left [ 1.817546] ip (245) used greatest stack depth: 12368 bytes left [ 2.230894] ip (274) used greatest stack depth: 12336 bytes left [ 10.616964] ip (961) used greatest stack depth: 12176 bytes left [ 709.691430] hrtimer: interrupt took 5842370 ns