[   13.740185][  T110] su (110) used greatest stack depth: 24104 bytes left
[   13.740204][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   13.740206][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   13.740208][  T110] preempt_count: 2, expected: 0
[   13.740209][  T110] RCU nest depth: 0, expected: 0
[   13.740210][  T110] locks held by su/110: 5, last CPU#0:
[   13.740212][  T110]  #0: ffffffffabe027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   13.740224][  T110]  #1: ffffffffabf69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   13.740229][  T110]  #2: ffffffffabf69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   13.740232][  T110]  #3: ffffffffabe89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   13.740235][  T110]  #4: ffffffffabe89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0
[   13.740238][  T110] irq event stamp: 152048
[   13.740239][  T110] hardirqs last  enabled at (152047): [<ffffffffa8d6d546>] __down_trylock_console_sem+0x86/0xa0
[   13.740243][  T110] hardirqs last disabled at (152048): [<ffffffffa8d735f4>] console_emit_next_record+0x3d4/0x4c0
[   13.740244][  T110] softirqs