[   11.428137][  T110] su (110) used greatest stack depth: 24104 bytes left
[   11.428153][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   11.428155][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   11.428156][  T110] preempt_count: 2, expected: 0
[   11.428157][  T110] RCU nest depth: 0, expected: 0
[   11.428158][  T110] locks held by su/110: 5, last CPU#1:
[   11.428161][  T110]  #0: ffffffff99e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   11.428172][  T110]  #1: ffffffff99f69cc0 (console_lock){+.+.