[   11.728552][  T110] su (110) used greatest stack depth: 24104 bytes left
[   11.728569][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   11.728571][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   11.728573][  T110] preempt_count: 2, expected: 0
[   11.728574][  T110] RCU nest depth: 0, expected: 0
[   11.728574][  T110] locks held by su/110: 5, last CPU#3:
[   11.728577][  T110]  #0: ffffffffab8027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   11.728589][  T110]  #1: ffffffffab969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   11.728594][  T110]  #2: ffffffffab969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   11.728598][  T110]  #3: ffffffffab889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   11.728601][